Вяжущее

Изобретение относится к составам вяжущих, которые могут быть использованы в производстве бетонных изделий. Вяжущее содержит, мас.%: портландцемент 74,0-78,0; молотый до прохождения через сито 008 гранулированный никелевый шлак 18,0-20,0; молотый до прохождения через сито 008 бой силикатного кирпича 4,0-6,0. Технический результат - снижение расхода цемента.

Биодобавка для строительных растворов и мелкозернистых бетонов

Изобретение относится к строительным материалам, а именно к добавкам для цементных растворов, и может быть использовано при изготовлении строительных растворов и бетонных элементов зданий из мелкозернистого бетона. Техническим результатом изобретения является ускорение твердения и более высокие конечные показатели прочностных свойств цементных растворов. Биодобавка для цементных растворов включает микроорганизм и кремнеземсодержащий компонент. В качестве микроорганизма она содержит Bacillus cereus, способный синтезировать коллоидальный кальцит, а в качестве кремнеземсодержащего компонента предварительно обожженную при температуре 400°С в течение 2-х часов дегидратированную природную опоку с удельной поверхностью 350-400 м2/кг при следующем соотношении компонентов, мас.%: микроорганизм вида Bacillus cereus 35-40; указанная опока 60-65. 2 табл.

ВЗРЫВОБЕЗОПАСНЫЙ МАТЕРИАЛ ДЛЯ ТЕРРАС И СПОСОБ ЕГО ПОЛУЧЕНИЯ

Раскрыт взрывобезопасный материал напольного покрытия. Взрывобезопасный материал напольного покрытия содержит 100 массовых долей сплава на основе железа, 3 массовые доли карбоната кремния, 10 массовых долей редкоземельного элемента, 5 массовых долей нитрита натрия, 8 массовых долей тонкого кремнезёмного порошка и 20 массовых долей цемента. Сплав на основе железа содержит, мас.%: железо 85, марганец 8, кремний 6, углерод – остальное. Частицы сплава на основе железа размером -100 меш смешивают с карбонатом кремния и редкоземельным элементом, помещают в высокотемпературную печь, нагретую до 1500°C, прокаливают и вспенивают в течение 30 часов, проводят быстрое охлаждение вспененного материала до комнатной температуры и измельчают до получения пористых частиц с размером 100 меш. Пористые частицы подают в печь для обжига и нагревают до 1000°C, добавляют редкоземельный элемент, перемешивают, охлаждают до комнатной температуры, после чего осуществляют измельчение материала и отсеивание на виброгрохоте ...

ВЯЖУЩАЯ СМЕСЬ

Настоящее изобретение относится к вяжущнй смеси и может напйти применение в промышленности строительных материалов. Вяжущая смесь содержит, вес.%: 4-45 вес.% вулканической породы, от более 0 до 40 вес.% латентного гидравлического материала, причем латентный гидравлический материал включает одно или более из золы-уноса лигнитного типа, золы-уноса антрацитного типа, каолина и трасса, вулканическая порода имеет тонкость помола по Блейну более 3000, и латентный гидравлический материал имеет тонкость помола по Блейну более 3000, 10-45 вес.% щелочного компонента, причем щелочной компонент содержит одно или более из гидроксида щелочного металла и карбоната щелочного металла, 20-90 вес.% заполнителя, менее 1 вес.% сульфата, причем сульфат присутствует в вяжущей смеси в виде примесей, и не более 5 вес.% кальция. Изобретение развито в зависимых пунктах формулы изобретения. Технический результат - повышение прочности, в том числе ранней прочности, повышение стойкости к повышенным температурам и низкая ...

ОГНЕСТОЙКОЕ ПОКРЫТИЕ И ОГНЕЗАЩИТНАЯ НАНОСИМАЯ РАСПЫЛЕНИЕМ ВЯЖУЩАЯ КОМПОЗИЦИЯ ДЛЯ ВЫСОКОПРОЧНОГО БЕТОНА ХОЛОДНОГО ПЛАВЛЕНИЯ С КОНТРОЛИРУЕМОЙ ПЛОТНОСТЬЮ

Группа изобретений относится к строительству. Технический результат - повышение жаропрочности, прочности на сжатие, прочности сцепления и защиты от коррозии на стальных компонентах. Огнестойкое геополимерное покрытие, не содержащее портландцемента, подходящее для нанесения распылением или намазыванием и имеющее заданную равновесную плотность, выбранную из группы, состоящей из плотностей примерно 240, 400, 641 и 801 килограммов на кубический метр, а также прочность на сжатие в диапазоне примерно 1,4-20,7 МПа, содержит: 15-50 вес.% по меньшей мере одного легкого заполнителя, имеющего насыпную плотность менее 1,0 и диаметр от примерно 0,025 мм до примерно 12,5 мм, причем в случае распыляемого покрытия указанный по меньшей мере один легкий заполнитель содержит по меньшей мере два заполнителя; 5-60 вес.% по меньшей мере одного активируемого щелочью вяжущего материала; 2-15 вес.% по меньшей мере одного активатора для указанного активируемого щелочью вяжущего материала, отличного от жидкого гидроксида ...

Высокопрочный мелкозернистый бетон

ГЛАЗУРОВОЧНЫЙ СОСТАВ

... 1. Глазуровочный состав, содержащий по меньшей мере пластичный, непластичный и сольвентный материалы, отличающийся тем, что пластичный материал представляет собой один или более материал из группы, включающей гончарную глину, японскую кислую глину, каолин, тальк; непластичный материал представляет собой один или более материал из группы, включающей кремнезем, обожженный каолин, необожженный каолин, алебастр, селбен, шамот, циркон; сольвентный материал представляет собой один или более материал из группы, включающей полевой шпат, известняк, доломит, оксид цинка, карбид лития. ! 2. Глазуровочный состав по п.1, отличающийся тем, что указанный состав содержит дополнительно неорганический краситель. ! 3. Глазуровочный состав по п.1, отличающийся тем, что в указанном составе массовая доля пластичного материала составляет от 25 до 55% по отношению к общему количеству твердого вещества; массовая доля непластичного материала составляет от 5 до 20% по отношению к общему количеству твердого вещества ...

Verfahren zur Herstellung von gepressten Fliesen und Platten

Liquid concentrate of a strength retrogression additive

Liquid concentrate of a strength retrogression additive

A liquid concentrate for use in a well that penetrates a subterranean formation comprising: a base liquid; and a strength retrogression additive, wherein the strength retrogression additive consists of particles of silicon dioxide containing crystalline regions, wherein the liquid concentrate has an activity of at least 40%. A method of cementing in a subterranean formation comprising: providing the liquid concentrate; forming a cement composition by adding a predetermined volume of the liquid concentrate to at least cement and water; and introducing the cement composition into the subterranean formation.

SYNTHETIC MONOCALCIUM SILICATE COMPOSITIONS

... 1281589 Refractories CIMENTS LAFARGE 15 July 1969 [2 Oct 1968 27 Feb 1969] 35609/69 Headings C1H and C1J An at least partly vitreous synthetic calcium silicate composition is obtained by fusing at 1100-1600‹ C. a mixture containing, in weight parts, 30-45 lime, 45-60 silica and up to 15 alumina, allowing the mass to flow in the molten state, sufficiently quenching or cooling the melt and then grinding. Mortars can be obtained by the addition of aluminous cement Œ talc which can be steam hardened at 70‹ C.

A Coloured Gravel Concrete Paving.

... 6428. Baker, J. H. Sept. 28. Concretes.-The concrete is composed of sand, cement, gravel, and oxide colour The sand is washed, and then dried by heating. Oxide colour is added to cement to give the required tint, and the mixture is well ground. The sand is then added and the whole ground together. The gravel is washed, and added to the above mixture, with water, to make the concrete. The concrete can be cast in moulds or may be laid as a paving. The preferred proportions are 40 parts of gravel, 10 parts of cement, 5 parts of sand, and 1 part of colour.

Improvements in and relating to bricks and the like for roads building, and heat resisting purposes

A composition for making bricks and the like for roads, buildings, &c., comprises one part by weight of staurolite, seven parts of basalt, three parts of cement, 5 per cent of the mixture of a waterproofing powder such as sodium silicate and 5 per cent of a mixture of caustic soda and litharge for rapid hardening. In a modification, a composition for a refractory brick for furnaces &c., comprises one part of staurolite, four parts of saggers with a small proportion of china clay or the like, and three parts of cement.

CONCRETE MATERIALS WITH MODIFIED RHEOLOGY, METHODS OF MAKING, AND USES THEREOF

CONCRETE MATERIALS WITH MODIFIED RHEOLOGY, METHODS OF MAKING, AND USES THEREOF

PROCEDURE FOR THE TREATMENT OF FLY ASH

IMPROVED SOURCEABLE LAYER SILICATES

PROCEDURE FOR THE PRODUCTION OF CONCRETE OR REINFORCED CONCRETE BASINS.

EARLYHIGH-STRENGTH CONCRETE COMPOSITION.

Overcoming the retardation of cement hydration from dispersing agents used in suspension of additives

A method of cementing a subterranean formation includes forming a cement composition comprising cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant; and pozzolanic material; introducing the cement composition into a subterranean formation; and allowing the cement composition to set in the subterranean formation. A method of making a cement composition includes combining cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant, and a pozzolanic material, where the rate of hydration of the surfaces of the cementitious material is less retarded by the surfactant than an equivalent cement composition without pozzolanic material.

Spray-applied drying-type joint compound and its use in a wall installation method as well as a method for preparing a joint compound for spray application

Provided are compositions and methods for expeditious wall installation by spray-applying a joint compound comprising a polymeric binder and hollow spheres. The wet drying-type joint compound for spray application is substantially free of setting minerals, bulk filler, clays, starch, mica, Ca(Mg)C03, expanded perlite, gypsum, talc, diatomaceous earth. It has a shrinkage < 15 vol% (ASTM C474-05) and a viscosity adjusted to 15,600 - 23,000 cP (ASTM C474-05).The joint compound comprises 3 - 90 wt% of a latex emulsion binder being selected from acrylic acid polymers, acrylic acid copolymers, alkyds, polyurethanes, polyesters, epoxies; up to 5 wt% of a nonionic surfactant;up to 3 wt % of a humectant; and 5 - 25 wt% of a plurality of hollow spheres. These spheres are composed of self-contained air bound by a solid barrier, have an average isostatic crush strength of > 250 psi (ASTM D3102-78) and a density of 0.04 - 1.1 g/cm3. The hollow spheres are selected from the group consisting of lime boro-silicate ...

Set-delayed cement compositions comprising pumice and associated methods

Disclosed is a method of forming a set cement shape. The method comprises providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; forming the set-delayed cement composition into a shape; and allowing the shaped set-delayed cement composition to set.

PROCESS FOR THE PRODUCTION OF FACING CONCRETE

EARLY HIGH-STRENGTH MINERAL POLYMER

NEW ULTRA HIGH-PERFORMANCE CONCRETE

La présente invention se rapporte à une nouvelle composition hydraulique à ultra haute performance non auto nivelante permettant de réaliser des pièces en béton en une seule étape, quelque soit leurs formes ou leurs sections, sans recourir à une étape d'assemblage.

OVERCOMING THE RETARDATION OF CEMENT HYDRATION FROM DISPERSING AGENTS USED IN SUSPENSION OF ADDITIVES

A method of cementing a subterranean formation includes forming a cement composition comprising cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant; and pozzolanic material; introducing the cement composition into a subterranean formation; and allowing the cement composition to set in the subterranean formation. A method of making a cement composition includes combining cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant, and a pozzolanic material, where the rate of hydration of the surfaces of the cementitious material is less retarded by the surfactant than an equivalent cement composition without pozzolanic material.

TEXTURIZING ELEMENTS FOR TRAFFIC SURFACES, USE THEREOF AND METHOD FOR PRODUCING TRAFFIC SURFACES

The application relates to structuring elements (1) for the gritting or noise-reduction of road surfaces, having a tetrahedral basic shape with a distance of 2-10 mm between two vertices, the structuring elements having concave surfaces with a ratio of arc height to distance between two vertices ranging from 0.05-0.35, and a compressive strength of at least 120 MPa determined according to DIN EN 196-1. The application further relates to a method for producing or repairing road surfaces, in which the structuring elements (1) are spread on and ground into the wearing course (2) while the same is still in a plastic state, and to the use of the structuring elements (1) for the gritting or noise-reduction of road surfaces.

AMORPHOUS SILICA-ALUMINA SPHERICAL PARTICLES AND PROCESS FOR PREPARATION THEREOF

SUSPENSIONS WITH HIGH STORAGE STABILITY, COMPRISING AN AQUEOUS SILICATE SOLUTION AND A FILLER MATERIAL

Suspension, having a high storage stability, comprising an aqueous silicate solution and a filler material, wherein the silicate solution has a silicate content of at least 20 % by weight, the filler material has an average particle size of 0.8-15 .mu.m and a specific weight of below 2.75 kg/l, the filler being chosen from the group consisting of: a) zeolites; b) fine particulate or fibrous amorphous inorganic material being relatively inert in an alkaline aqueous solution, comprising amorphous alkali metal alumino silicate; c) fine particulate of graphite or carbon black; or d) mixtures thereof, said suspension having a high storage stability in the absence of a stabilizer.

ADHESIVE COMPOSITION

Adhesive composition comprising a suspension of an aqueous silicate solution and a finally divided inorganic filler, wherein said silicate solution has a silicate content of at least 17 % per weight and comprising as a filler a zeolite having an average particle size of at least 0,4 .mu.m.

Verfahren zur Herstellung von Belagplatten.

Verfahren zur Herstellung von Beton.

PROTECTION ELEMENT AND PROCEDURE FOR ITS PRODUCTION.

Gemäss einem Aspekt der Erfindung wird ein Verfahren zur Herstellung eines Schutzelements mit den folgenden Schritten zur Verfügung gestellt: Mischen einer wässrigen, aushärtbaren Alkalisilikatlösung mit Siliziumdioxid-Nanopartikeln zu einer Füllmasse mit einem ersten Wassergehalt; Dünnfilm-Verdampfung eines Teils des Wassers der Füllmasse, bis die Füllmasse einen zweiten Wassergehalt hat, der geringer ist als der erste Wassergehalt, wobei die Füllmasse beim zweiten Wassergehalt fliessfähig ist; Einfüllen der Füllmasse mit dem zweiten Wassergehalt in einen Zwischenraum zwischen zwei transparenten Trägerelementen; Aushärten der Füllmasse im Zwischenraum zwischen den Trägerelementen unter Beibehaltung des zweiten Wassergehalts.

СПОСОБ ОБРАБОТКИ И СТРОИТЕЛЬСТВА СКВАЖИН

Предложен способ строительства или обработки скважины, который включает введение отверждаемой цементной композиции в ствол скважины, отличающийся тем, что указанная композиция содержит порошкообразный аплит.

METHOD OF WORKING AND BUILDING OF THE BORE HOLES

Cement and its method of preparation

ADJUVANT FOR HYDRAULIC COMPOSITIONS

NEW HIGH PERFORMANCE CONCRETE

La présente invention se rapporte à une nouvelle composition hydraulique à ultra haute performance non auto nivelante permettant de réaliser des pièces en béton en une seule étape, quelque soit leurs formes ou leurs sections, sans recourir à une étape d'assemblage.

SYNTHETIC MINERAL MATERIAL

COMPOSITION FOR REINFORCED NATURAL STONE, CHIP FOR REINFORCED NATURAL STONE HAVING METAL PEARL TEXTURE COMPRISING SAME, AND REINFORCED NATURAL STONE

The present invention relates to a composition for a reinforced natural stone of the present invention, a chip for a reinforced natural stone having a metal pearl texture comprising the same, and a reinforced natural stone. The composition comprise: (A) 10-60 wt% of sand-type silica having an average diameter greater than 0.1 mm and less than or equal to 0.3 mm; (B) 5-40 wt% of powder-type silica having the average diameter less than or equal to 0.1 mm; (C) 5-40 wt% of an unsaturated polyester resin; (D) 1-10 wt% of a metallic pearl particle; and (E) 1-10 wt% of a styrene-based monomer. Provided is the composition for a reinforced natural stone for providing a chip, which has various colors and a luxurious texture by increasing the intensity of illumination of the chip having a metal texture. COPYRIGHT KIPO 2016 ...

Plaster composition comprising hydrophilic fumed silica and aerosol composition comprising the plaster composition

A plaster composition includes a joint compound/drywall mud and from about 0.5 wt % to about 10 wt % silica (e.g., hydrophilic fumed silica). The plaster composition may be a repair composition. The repair composition may be dispensed as an aerosol using a propellant. The repair composition may be useful for repairing “popcorn” textured ceilings.

Simulated marble article

A simulated marble article having an improved resistance to abrasion and a high transparency and a high quality appearance, comprising a resin matrix having distributed therein a filler of an amorphous hydrated silicate having an average particle size of 1 µm or less. The difference of the refractive indices of the filler and the resin matrix is in the range of from 0.00 to 0.05, preferably 0.01 to 0.03.

СТРОИТЕЛЬНЫЙ МАТЕРИАЛ И СПОСОБ ПОЛУЧЕНИЯ СТРОИТЕЛЬНОГО МАТЕРИАЛА

Изобретение относится к строительному материалу и к способу получения строительного материала. Способ получения строительного материала включает первую стадию отверждения материала внутреннего слоя, содержащего гидравлический материал, кремнеземсодержащий материал и алюминиевый порошок, с получением вспененного внутреннего слоя, причем алюминиевый порошок вступает в реакцию с образованием пузырьков, и гидравлический материал и кремнеземсодержащий материал затвердевают не полностью; вторую стадию распределения материала поверхностного слоя, содержащего гидравлический материал и кремнеземсодержащий материал, с получением невспененного поверхностного слоя; третью стадию укладки вспененного внутреннего слоя на невспененный поверхностный слой с получением стопы, содержащей невспененный поверхностный слой и вспененный внутренний слой; и четвертую стадию прессования и отверждения указанной стопы, с получением строительного материала, имеющего отношение массы невспененного поверхностного слоя : ...

МАТЕРИАЛ ДЛЯ ГИДРОИЗОЛЯЦИИ ПОРИСТЫХ СТРОИТЕЛЬНЫХ ПОВЕРХНОСТЕЙ

Данное изобретение относится к материалу для гидроизоляции пористых строительных поверхностей от влаги. Этот материал является штукатуркой. Указанная штукатурка состоит из песка, цемента, гашеной извести, воды и гидрофобного порошка. Технический результат – создание материала, при помощи которого предотвращается образование усадочных деформаций и не возникают высолы. 4 з.п. ф-лы.

ГЛАЗУРОВОЧНЫЙ СОСТАВ

Изобретение относится к глазуровочному составу, используемому для глазурования лицевой поверхности неорганической основы для обжига, содержащей в большом количестве стекловидные материалы. Техническим результатом изобретения является повышение эффективности глазурования лицевой поверхности неорганической основы. Глазуровочный состав для формирования грунтового слоя на поверхности основы содержит неорганический гидравлический материал и стекловидный материал, причем указанный состав содержит по меньшей мере пластичный материал, непластичный материал и плавень и отличается тем, что в указанном составе массовая доля пластичного материала составляет от 25 до 55%, массовая доля непластичного материала составляет от 5 до 20% и массовая доля плавня составляет от 40 до 60% по отношению к общему количеству твердого вещества. Пластичный материал представляет собой один или более материал из группы, включающей гончарную глину, японскую кислую глину, каолин и тальк. Непластичный материал представляет ...

Добавка для известковых, цементных отделочных композиций

Изобретение относится к технологии получения модифицирующих добавок для известковых, цементных отделочных композиций, применяемых для отделки бетонных и штукатурных поверхностей. Технический результат заключается в повышении активности добавки. Способ получения добавки отделочных композиций заключается в том, что добавку получают осаждением из жидкого натриевого стекла плотностью 1335-1663 кг/м3и модулем М=1,53-2,9 при последовательном введении пластификатора С-3 и добавок-осадителей CaCl2 в количестве 31,9-39% от массы жидкого стекла в виде 7,5-15%-ного раствора и Al2(SO4)3 в количестве 8,45-13,24% от массы жидкого стекла в виде 15%-ного раствора, и высушиванием при температуре 105°С с последующим измельчением высушенного осадка при следующем соотношении компонентов при синтезе, мас.%: жидкое стекло – 66-71, хлорид кальция – 21,2-25,8, С-3 – 0,66-0,7, сульфат алюминия – 6,0-8,74. 2 табл.

ОБЛЕГЧЕННЫЙ НАПОЛНИТЕЛЬ ДЛЯ ВОДОНЕПРОНИЦАЕМЫХ БИТУМНЫХ МЕМБРАН

Настоящее изобретение относится к водонепроницаемым битумным мембранам для защиты зданий и мостов. Технический результат – облегчение мембран при сохранении их геометрических характеристик и прочностных и установочных свойств. Водонепроницаемая мембрана для защиты зданий или мостов, содержащая армирующий материал, покрытый и/или пропитанный составом смеси, где армирующий материал образует армирующий слой, расположенный между двумя слоями, содержащими состав смеси, где состав смеси нанесен на верхнюю сторону армирующего материала и на нижнюю сторону армирующего материала и, возможно, армирующий материал пропитан составом смеси, и дополнительно содержащая заполняющую пленку в качестве самого нижнего слоя в водонепроницаемой мембране, где состав смеси является твердым при комнатной температуре и содержит, мас.%: 50-90 битума или смеси битума и пластификатора, 2-25 эластомерного блок-сополимера и/или терполимера и/или 2-40 пластомерного блок-сополимера и/или терполимера и 5-45 стеклянных сфер ...

Сырьевая смесь для жаростойкого фибробетона повышенной термоморозостойкости

Изобретение относится к специальным жаростойким бетонам или жаростойким бетонным смесям на основе портландцемента, которые могут быть использованы для изготовления футеровочных плит, блоков и других изделий, а также футеровок факельных амбаров горизонтальных факельных установок, установок термического обезвреживания промстоков и флюидов, работающих в условиях высоких температур в процессе нагрева, и низких (отрицательных) температур окружающей среды (условия повышенной цикличности). Жаростойкий фибробетон повышенной термоморозостойкости, получаемый в результате твердения бетонной смеси, содержащей в своем составе портландцемент, жаростойкий шамотный заполнитель, при этом дополнительно введена активная минеральная добавка (мас.%: 35,0-40,0 SiO28,0 Al2O3, 35,0-40,0 CaO, 15,0 MgO, 0,2-1,0 Fe2O3), фибра из синтетических термопластических волокон, наноразмерный углеродный наполнитель, суперпластификатор. Техническая задача направлена на получение жаростойкого бетона на портландцементе одновременно ...

ТАМПОНАЖНЫЙ РАСТВОР

Изобретение относится к области строительства скважин, в частности к тампонажным растворам для цементирования обсадных колонн, газоконденсатных и нефтяных скважин, осложненных наличием слабосвязанных, склонных к гидроразрыву многолетних мерзлых пород. Техническим результатом предлагаемого изобретения является повышение прочностных и адгезионных свойств образующегося цементного раствора при одновременном обеспечении его прокачиваемости путем введения реагента пластификатора и сокращения количества свободной воды в составе. Тампонажный раствор, содержащий тампонажный портландцемент ПЦТ-1-50, расширяющий компонент и 4%-ый водный раствор хлорида кальция, отличается тем, что дополнительно содержит пластификатор поли-N-винилпирролидон «Импирон» и микросилику, а в качестве расширяющего компонента используют оксид кальция при следующем соотношении компонентов, мас. %: микросилика 8-12, оксид кальция 5-8, поли-N-винилпирролидон 0,4-0,6, тампонажный портландцемент (ПЦТ-1-50) - остальное, а содержание ...

ЦЕМЕНТНАЯ КОМПОЗИЦИЯ И СПОСОБ ПОЛУЧЕНИЯ ОТВЕРЖДЕННОГО ЦЕМЕНТНОГО ИЗДЕЛИЯ С ИСПОЛЬЗОВАНИЕМ ЭТОЙ КОМПОЗИЦИИ

Изобретение относится к цементной композиции, имеющей высокую текучесть (например, показатель подвижности 0-drop 200 мм или более) перед отверждением и обладающей высокой прочностью на сжатие (например, 320 Н/ммили более) после отверждения. Цементная композиция содержит цемент, тонкий кремнеземный порошок, имеющий удельную поверхность по БЭТ от 10 м/г до 25 м/г, неорганический порошок с 50%-ным интегральным размером частиц от 0,8 мкм до 5 мкм, мелкий заполнитель с максимальным размером частиц 1,2 мм или меньше, пластификатор, антивспениватель и воду. Доля цемента составляет от 55 об.% до 65 об.%, доля тонкого кремнеземного порошка составляет от 5 об.% до 25 об.%, и доля неорганического порошка составляет от 15 об.% до 35 об.% от общего количества 100 об.% цемента, тонкого кремнеземного порошка и неорганического порошка. Изобретение также относится к способу изготовления цементных изделий. 2 н. и 8 з.п. ф-лы, 1 ил., 6 табл.

Силикатная штукатурная масса, легкая штукатурка, состоящая из этой силикатной штукатурной массы, и применение этой силикатной штукатурной массы для получения легких штукатурок

Фотолюминесцентный материал для защитно-декоративного покрытия строительных конструкций и элементов эвакуационных систем

Изобретение относится к производству отделочных материалов и может быть использовано для защитно-декоративных покрытий на поверхности строительных конструкций и элементов эвакуационных систем. Фотолюминесцентный материал включает 30-60 мас. % жидкого стекла в виде водного раствора высокомодульного силиката калия с плотностью 1400 кг/м3 и кремнеземистым модулем 3,8, 5-20 мас. % волластонита с размерами частиц 3,5-13,5 мкм для повышения водостойкости и износостойкости композита и 8-50 мас. % водостойкого люминофора желто-зеленого цвета послесвечения с матрицей из алюмината иттрия, активированного прометием. Технический результат - повышение яркости свечения, водостойкости и износостойкости фотолюминесцентного материала. 1 табл.

Сырьевая смесь для защитного покрытия

Изобретение относится к области строительных материалов и может быть использовано для проведения ремонта бетонных или железобетонных конструкций. Сырьевая смесь для защитного покрытия получена из смеси, включающей, мас. %: быстротвердеющий портландцемент - 35,0-37,0; песок фракции 0,16-0,315 мм - 8,0-8,7; песок фракции 0,63-2,5 мм - 34,0-34,3; высокодисперсную натриевую бентонитовую глину, содержащую 85% основного минерала монтмориллонита Al2O3⋅4SiO2⋅nH2O - 0,6-0,7; доменный металлургический шлак с удельной поверхностью Sуд=500 м2/кг - 6,0-6,3; комплексную добавку - 3,4-3,5, воду - 11,0-11,5. Указанная комплексная добавка является водным раствором с плотностью ρ=1,041 г/см3 и состоит из следующих компонентов, мас.%: водный раствор поликарбоксилатного полимера на основе эфира аллила и ангидрида малеиновой кислоты с плотностью ρ=1,034 г/см3 и значением рН=6,5 - 38,1-39,4; водный раствор золя кремниевой кислоты с плотностью ρ=1,025 г/см3 и значением рН=4,0, в состав которого входят нанодисперсии ...

POLYEDRISCHES GRANULAT AUS MINERALISCHEN MATERIALIEN, INSBESONDERE ZUR HERSTELLUNG VON OBERFLAECHENBELAEGEN

Lime sandstone and a process for its production

The lime sandstone consists of sand and lime, at least part of the sand being comminuted greywacke and/or used sand, preferably foundry moulding sand. The greywacke is comminuted shortly after winning and requires only a small binder content. The used sand which hitherto has been a waste product is used for producing the high-quality lime sandstone.

Overcoming the retardation of cement hydration from dispersing agents used in suspension of additives

A method of cementing a subterranean formation includes forming a cement composition comprising cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant; and pozzolanic material; introducing the cement composition into a subterranean formation; and allowing the cement composition to set in the subterranean formation. A method of making a cement composition includes combining cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant, and a pozzolanic material, where the rate of hydration of the surfaces of the cementitious material is less retarded by the surfactant than an equivalent cement composition without pozzolanic material.

SHAPED BODIES OF CALCIUM SILICATE

This invention provides a shaped body of calcium silicate of which the whole or the surface layer comprises a mixture of calcium silicate crystal and at least one inorganic compound selected from the group consisting of spodumene, petalite, eucryptite, lithium orthoclase, quartz glass, Vycor glass, cordierite, beryl, aluminum titanate and zirconium phosphate and a process for preparing the same.

Settable cement or concrete composition

A settable cement or concrete composition comprising: an acid-settable aplite-based cement; at least one of (a) an aqueous acidic solution and (b) an acid in water-soluble form; and optionally an aggregate.

Functionalized polyalkyleneimine cement retarder

COMPOSITION FOR AND METHOD OF MAKING WORKING MOULDS FOR THE CERAMIC INDUSTRIES

... 1323616 Porous mould composition METALLGESELLSCHAFT AG 30 April 1971 [2 May 1970] 12475/71 Heading C1H An hydraulic composition for producing a water-absorbent, porous mould for ceramic casting comprises 20-60 wt. per cent calcium aluminate cement, itself comprising 75-85 wt. per cent aluminium oxide and 25-15 wt.per cent calcium oxide; and 80-40 wt. per cent filler with a grain size of 40-160 Á and being wollas tonite, tiemolite or asbestos. In addition 1-4 wt. per cent glass fibres may be incorporated in the composition.

Low portland silica-lime cements

THIXOTROPI ADDITIVE, PROCEDURE FOR ITS PRODUCTION AND ITS USE.

Procedure for the production of a bonding agent from anhydrite

SILICA-CONTAINING CEMENT AND CONCRETE COMPOSITION

Set-delayed cement compositions comprising pumice and associated methods

Disclosed is a method of forming a set cement shape. The method comprises providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; forming the set-delayed cement composition into a shape; and allowing the shaped set-delayed cement composition to set.

Spray-applied drying-type joint compound and its use in a wall installation method as well as a method for preparing a joint compound for spray application

Provided are compositions and methods for expeditious wall installation by spray-applying a joint compound comprising a polymeric binder and hollow spheres. The wet drying-type joint compound for spray application is substantially free of setting minerals, bulk filler, clays, starch, mica, Ca(Mg)C03, expanded perlite, gypsum, talc, diatomaceous earth. It has a shrinkage < 15 vol% (ASTM C474-05) and a viscosity adjusted to 15,600 - 23,000 cP (ASTM C474-05).The joint compound comprises 3 - 90 wt% of a latex emulsion binder being selected from acrylic acid polymers, acrylic acid copolymers, alkyds, polyurethanes, polyesters, epoxies; up to 5 wt% of a nonionic surfactant;up to 3 wt % of a humectant; and 5 - 25 wt% of a plurality of hollow spheres. These spheres are composed of self-contained air bound by a solid barrier, have an average isostatic crush strength of > 250 psi (ASTM D3102-78) and a density of 0.04 - 1.1 g/cm3. The hollow spheres are selected from the group consisting of lime boro-silicate ...

METHOD FOR REPAIRING THE NEAR-SURFACE LAYERS OF BUILDINGS REINFORCED WITH CONSTRUCTIONAL STEEL

AIR-ENTRAINING ADJUVANT CONTAINING BLOOD PLASMA AS A SUBSTITUTE FOR SYNTHETIC COLLOID, AND PRODUCTS OBTAINED

Air-entraining adjuvant containing blood plasma as a substitute for synthetic colloid, and products obtained The present invention relates to an airentraining adjuvant. This adjuvant comprises animal whole blood and/or cruor serving as the actual air-entraining agent, and also comprises blood plasma as a stabilizer for the ontrained air, preferably in pulverulent or atomized form. The proportion of blood plasma in the adjuvant is advantageously from 15 to 25% by weight. The said adjuvant also contains dispersants of the bentonite type and/or aluminomagnesium clay type. This gives an adjuvant having an exceptional airentraining capacity with a high stability; it is easy to work with as any type of mixer can be used.

CONCRETES AND REINFORCED CONCRETES WITH A LOW EXPANSION COEFFICIENT

USE OF A FRESH CONCRETE COMPOSITION FOR ENCASING UNDERGROUND ELECTRICAL CABLES

Use of a fresh concrete composition for encasing underground electrical cables, the fresh concrete composition comprising a paste that comprises a hydraulic binder, a mineral addition and water, said paste being present in a mixture with sand and aggregates, is characterized in that the paste is present in the concrete composition in a volume of < 320 L/m3 and/or the solid volume fraction of said paste is > 50 vol.-%.

PROCESSING POST-INDUSTRIAL AND POST-CONSUMER WASTE STREAMS AND PREPARATION OF POST-INDUSTRIAL AND POST-CONSUMER PRODUCTS THEREFROM

A system for and method of, processing post-consumer and post-industrial waste streams, producing active ingredients for waste stream processing, processing aqueous waste streams, preparing and collecting a multi-purpose chemical precursor, removing phosphates, nitrates, heavy metals, and other contaminants from aqueous waste streams, collecting and processing a post-consumer and post-industrial product from aqueous waste streams, administering and positioning assets and processes associated with waste stream processing, and scheduling operations for sub-systems of the system.

FLY ASH BASED CASTABLE CONSTRUCTION MATERIAL WITH CONTROLLED FLOW AND WORKABILITY RETENTION

A castable construction material with controlled flow and workability retention comprising (a) a binder comprising from 75% to 100% by weight of fly ashes comprising from 1.5% to 35% by weight of Ca O and a Lost on Ignition (LOI) value from 0.5% to 5.5% by weight, (b) an activator comprising an alkali hydroxide and an alkali silicate, wherein the activator is from 3% to 25% by weight with respect to the castable construction material, (c) sand, (d) fine aggregates, (e) coarse aggregates, (f) free water and (g) a workability retention agent wherein selected from the group consisting of polycarboxylate ether polymer (PCE), polyamines, polyethylene imines, polyacrylamides, polyacrylate (EO, PO) ester, polymethacrylate (EO, PO) ester, polyammonium derivatives and co-polymers thereof, polydiallyldimethylammonium chloride, benzalkonium chlorides, substituted quaternary ammonium salts, chitosans, caseins and cationically modified colloidal silica.

METHOD OF CEMENTING ALUMINIUM OBJECTS

This invention provides a method of securing to a substrate a metal objec t having an uncoated surface, which method comprises contacting said substra te and said surface with an unset hydraulic cement composition and allowing said composition to set, characterized in that said surface is an aluminium surface and in that said composition comprises pulverulent aplite.

METHOD FOR PREPARING A POROUS CERAMIC MATERIAL WITH HIGH HEAT RESISTANCE

A PROGRESSIVE BUBBLE GENERATING SYSTEM USED IN MAKING CEMENTITIOUS FOAM

A process for producing insulating foam, wherein certain especially small inorganic minerals such as silica fume are directly integrated into bubble fluid to better mechanically strengthen bubbles formed and thus allow the formation of smaller bubbles to be reformed by mechanical means. In this process where these same bubbles are now in some part composed of inorganic solids. A process whereby these minerals are maintained as to their median size and dispersion within the bubble fluid by the following; rotor stator mixing and or a recirculating pump, the inclusion within exotherming calcium-chloride salt, the use of other physical exciters such as hydrogen- peroxide, and by straining out outliers of unwanted size or form. The above mentioned mechanical means is a progressive reforming of bubbles and actualized by a glass bead chamber, a second stage consisting of two screened discs, separated from each other and located at the end of the glass bead chamber, and a third stage chamber presenting ...

СПОСОБ ОБРАБОТКИ И СТРОИТЕЛЬСТВА СКВАЖИН

Предложены цементная композиция, включающая порошкообразный аплит и углеводородные волокна, и способ строительства или обработки скважины, включающий введение отверждаемой цементной композиции в ствол скважины, где указанная композиция содержит порошкообразный аплит и углеродные волокна.

СПОСОБ ОБРАБОТКИ И СТРОИТЕЛЬСТВА СКВАЖИН

Предложен способ строительства или обработки скважины, включающий введение отверждаемой цементной композиции в ствол скважины, отличающийся тем, что указанная цементная композиция включает порошкообразный аплит в количестве по меньшей мере 100 мас.ч. в расчете на 100 мас.ч. цемента в пересчёте на сухую основу.

METHOD FOR WELL TREATMENT

CORROSION - RESISTANT SPRAY-COATED FIRE-RESISTANT MATERIALS

Composition of matter of the nature of the concrete for building work and others

Binding containing anhydrite, in particular for coatings of building

POROUS MOULDINGS

Composition of coating and connection in particular out of ceramic matter

Agglomerated material and constructions obtained by means of this material

HIGH PERFORMANCE CONCRETES NON-SELF-COMPACTING CONCRETE

La présente invention se rapporte à un liant hydraulique comprenant en pourcentage en masse : - de 20 à 82 % d'un ciment Portland dont les particules présentent un D50 compris de 2 µm à 11 µm ; - de 15 à 56 % d'une addition minérale A1 non pouzzolanique, dont les particules présentent un D50 compris de 1 à 150 µm ; - au moins 4 % d'addition minérale A2 pouzzolanique, dont les particules présentent un D50 compris de 1 à 150 µm ; la somme de ces pourcentages étant comprise de 90 à 100%.

RESIN COMPOSITION WITH HIGH DURABILITY FOR REPAIRING CONCRETE PAVEMENT AND CONCRETE PAVEMENT REPAIRING METHOD USING SAME

The present invention relates to a resin composition which is a high-temperature melt type repair material applied to a spooling portion, a crack, a port hole, a joint crack, and a damaged part generated on a pavement surface of concrete, and a concrete pavement repairing method using the same. The present invention relates to a construction method of the resin composition for repairing concrete pavement, having excellent tensile strength, excellent adhesion strength, and excellent tearing strength. Moreover, the present invention has excellent elongation when the resin composition is broken and prevents the fine crack or the crack. Moreover, the present invention can perform early traffic opening. COPYRIGHT KIPO 2016 ...

CONCRETE MATERIALS WITH MODIFIED RHEOLOGY, METHODS OF MAKING, AND USES THEREOF

PRODUCTION OF CARBONATE-CONTAINING COMPOSITIONS FROM MATERIAL COMPRISING METAL SILICATES

Provided are methods for producing carbonate-containing compositions comprising silicon-based material (e.g., pozzolanic material) from a source of carbon dioxide, a divalent cation-containing solution, and a source of proton-removing agents. In such methods, divalent cations of the divalent cation-containing solution are provided by digestion of material comprising metal silicates. Also provided are methods for producing carbonate-containing compositions comprising little or no silicon-based material. In such methods, silicon-based material (e.g., silica, unreacted or undigested silicates, aluminosilicates, etc.) may be separated and processed separately from carbonate-containing compositions. Silicon-based material and carbonate-containing material may be blended at a later stage to produce a pozzolanic material, which may be further processed and blended with, for example, Portland cement.

SEAWATER RESISTANT GROUT MATERIAL COMPOSITION AND METHOD FOR CONSTRUCTING OFFSHORE WIND TURBINE STRUCTURE USING SAME

The present invention provides a seawater resistant grout material composition and a method for constructing an offshore wind turbine structure using the same, the seawater resistant grout material composition comprising: 2-10 wt% of high strength admixture; 25-35 wt% of type I Portland cement; 30-45 wt% of silica sand having a particle size of 30-60 mesh; 5-15 wt% of silica sand having a particle size of 60-100 mesh; and 5-10 wt% of silica sand having a particle size of 100-200 mesh, wherein the high strength admixture is obtained by mixing and pulverizing 45-99 wt% of slag and 1-55 wt% of anhydrite, thus the present invention has excellent seawater resistance, excellent strength development characteristics at a low temperature, and increased compressive strength and durability to allow withstanding cyclic loads due to wind and wave pressure.

AIR-ENTRAINING ADJUVANT CONTAINING BLOOD PLASMA AS A REPLACEMENT FOR A SYNTHETIC COLLOID, AND PRODUCTS OBTAINED

Said adjuvant comprises whole animal blood and/or cruor serving as an air-entraining agent proper, and is characterized in that it comprises in addition blood plasma, as an agent for stabilizing the entrained air, preferably in a powdered or atomized form. The proportion of blood plasma in the adjuvant represents advantageously between 15 % and 25 % by weight. It also contains dispersion products of the bentonite and/or alumino-magnesium clay types. In this way an adjuvant is obtained which has an exceptional air entraining capacity with a high stability, and which is easy to use because any type of mixer can be employed.

Shaped bodies of calcium silicate

This invention provides a shaped body of calcium silicate of which the whole or the surface layer comprises a mixture of calcium silicate crystal and at least one inorganic compound selected from the group consisting of spodumene, petalite, eucryptite, lithium orthoclase, quartz glass, Vycor glass, cordierite, beryl, aluminum titanate and zirconium phosphate and a process for preparing the same.

SET ON DEMAND COMPOSITIONS

Cement compositions may contain a cement component and an oil-immiscible solvent and used in a number of cementing applications. In another aspect, methods for sealing subterranean zones may include emplacing a cement composition into a wellbore containing a cement component and an oil-immiscible solvent, contacting the cement composition with a water source, and reacting the cement composition with the water source to form a hardened cement. 1. A cement composition comprising:a cement component;an oil-immiscible solvent;a surfactant; andone or more hydration retarders selected from a group consisting of polycarboxylate polymers, polycarboxylic acids, lignosulfonates, sulfonated tannins, and chelators.2. The cement composition of claim 1 , wherein the cement component comprises a magnesium-based cement.3. The cement composition of claim 1 , wherein the oil-immiscible solvent is one or more selected from a group consisting of ethylene glycol claim 1 , propylene glycol claim 1 , glycerol claim 1 , diethylene glycol claim 1 , triethylene glycol claim 1 , 1 claim 1 ,3-butanediol claim 1 , and hexylene glycol.4. The cement composition of claim 1 , wherein the cement composition further comprises a particulate silica.5. The cement composition of claim 1 , wherein the surfactant is an anionic surfactant.6. The cement composition of claim 1 , further comprising an anionic surfactant that is one or more selected from a group consisting of alpha olefin sulfonates claim 1 , fatty acid derivatives claim 1 , phosphate esters claim 1 , acetylene dials claim 1 , and lecithins.7. The cement composition of claim 1 , further comprising one or more ionic polymers.8. The cement composition of claim 7 , wherein the one or more ionic polymer additive is a copolymer or terpolymer comprising at least one of acrylic acid claim 7 , itaconic acid claim 7 , maleic acid claim 7 , acrylamido-2-methyl-propane sulfonic acid claim 7 , styrene sulfonic acid claim 7 , and vinyl phosphonic acid.9. The ...

Concrete materials with modified rheology, methods of making, and uses thereof

A composition, in the form of a concrete, cement paste, mortar or intermediate thereof, comprising one or more cementitious binder materials present in an amount ranging from 0.5% to 75% by weight of the composition, attapulgite present in an amount ranging from 0.01% to 1.00% by weight of the composition, and optionally water. Although subject to many uses, in some embodiments, the composition is suitable for applications in need or desire of self-consolidating concretes (SCCs), precast concrete, shotcrete, and the like. Although makeable by multiple methods, in some embodiments, the composition is made by mixing the component ingredients. In some embodiments, the composition has one or more properties chosen from superior aggregate suspension, eliminated segregation, improved workability, improved flowability, improved pumpability—or improved overall performance—of concretes.

СВЕРХЛЕГКАЯ МИНЕРАЛЬНАЯ ПЕНА

Изобретение относится к сверхлёгкой минеральной пене с основой из портландцемента и способу получения таких минеральных пен. Способ получения минеральной пены включает раздельное приготовление цементного раствора и водной пены, при этом цементный раствор содержит воду (W) и портландцемент (C), а также центры кристаллизации, представляющие собой гидросиликат кальция. Осуществляют контактирование указанного цементного раствора с указанной водной пеной с получением вспененного цементного раствора. Осуществляют заливку указанного вспененного цементного раствора и оставление его в покое для схватывания. При этом указанная минеральная пена по существу не содержит частиц со средним диаметром D50 < 2 мкм. Техническим результатом является повышение эффективности изготовления сверхлёгкой и высокостабильной минеральной пены. 10 з.п. ф-лы, 3 табл.

Exhaust Gas Treatment Device

A mounting mat for an exhaust gas treatment device includes a blend of inorganic fibers and organic nanofibrillated fibers. An exhaust gas treatment device includes a housing and a fragile structure mounted within the housing by the mounting mat that is disposed in a gap between the housing and the fragile catalyst support structure. Additionally disclosed are methods of making a mounting mat for an exhaust gas treatment device and for making an exhaust gas treatment device incorporating the mounting mat.

AQUEOUS SLURRY OF AMORPHOUS SILICA AND METHOD FOR ITS PRODUCTION

An aqueous slurry of amorphous silica, the amorphous silica having a particle size less than 1 μm. The slurry contains sepiolite as a stabiliser. 117-. (canceled)18. An aqueous slurry comprising:water;amorphous silica, the amorphous silica having a particle size less than 1 μm; andsepiolite as a stabilizer in an amount of 0.1 to 1% by weight of the slurry.19. The slurry of claim 18 , wherein the sepiolite is present as 0.2 to 0.5% by weight of the slurry.20. The slurry of claim 18 , wherein the slurry has a solids content in the range 40 to 80 wt % of the slurry.21. The slurry of claim 18 , further comprising silica flour.22. The slurry of claim 21 , wherein the silica flour has a particle size in the range 2 to 200 μm.23. The slurry of claim 21 , wherein the silica flour constitutes up to 50 wt % of the total solids content of the slurry.24. The slurry of claim 18 , further comprising an anionic dispersant in an amount in the range 0.1 to 0.5% by weight of slurry.25. A method for the production of aqueous slurry comprising:combining water, amorphous silica having a particle size less than 1 μm, and sepiolite in an amount in the range 0.1 to 1.0% by weight of the slurry as a stabiliser.26. The method of claim 25 , wherein combining is accomplished by using a high shear mixer.27. The method of claim 25 , wherein the combining is accomplished by hydrating the sepiolite with water and then adding the hydrated sepiolite to the slurry of water and amorphous silica claim 25 , and mixed to form a stabilised slurry.28. The method of claim 27 , wherein the amount of sepiolite added is the range 0.2 to 0.5% by weight of the slurry.29. The method of claim 25 , wherein the amount of water and the amount of solids are arranged so that the solids content of the slurry is in the range 40 to 80 wt % of the slurry.30. The method of claim 25 , wherein silica flour is added to the slurry.31. The method of claim 30 , wherein the silica flour has a particle size in the range 2 to 200 μm ...

PASTE COMPOSITION FOR ARTIFICIAL MARBLE AND METHOD OF MANUFACTURING ARTIFICIAL MARBLE USING THE SAME

The present invention relates to a paste composition for artificial marble and a method of manufacturing the artificial marble using the same, which can solve the problems of efflorescence and durability in the existing cementitious marble and the problems of thermal resistance and acid tolerance in the existing organic binder-based marble, and can provide an insulating function to the artificial marble by using an inorganic binder such as an amorphous activated aluminosilicate compound and also using a lightweight particulate porous inorganic material. The method of manufacturing the artificial marble includes preparing paste for artificial marble by mixing 10˜20 parts by weight of white cement, 3˜10 parts by weight of amorphous activated aluminosilicate, 40˜70 parts by weight of broken-stone chip, 5˜10 parts by weight of water, 0.1˜1 part by weight of water-reducing agent and 10˜30 parts by weight of lightweight particulate porous inorganic material; pouring and vibration-molding the paste in a mold; curing the paste; inducing a hydrothermal reaction of cured artificial marble at high temperature and high pressure; and machining cured product. 1. A paste composition for manufacturing artificial marble , which is composed of 10˜20 parts by weight of white cement , 3˜10 parts by weight of amorphous activated aluminosilicate , 40˜70 parts by weight of broken-stone chip , 5˜10 parts by weight of water , 0.1˜1 part by weight of water-reducing agent and 10˜30 parts by weight of lightweight particulate porous inorganic material.2. The paste composition for manufacturing artificial marble according to claim 1 , wherein the paste composition passes through a dissolution reaction of aluminosilicate claim 1 , a polymerization reaction by recombination of aluminosilicate claim 1 , and a coupling reaction of calcium with silicate.3. The paste composition for manufacturing artificial marble according to claim 1 , wherein the amorphous activated aluminosilicate is one claim 1 , ...

INORGANIC BOARD AND METHOD FOR MANUFACTURING INORGANIC BOARD

An inorganic board contains, in a solid content ratio, 30 to 70 mass % of hydraulic material, 5 to 15 mass % of reinforcing fiber, and 1 to 30 mass % of wollastonite having a wet volume (after being allowed to stand for 30 minutes) of 15 to 45 ml. Also, a method includes: step of producing a slurry containing hydraulic material, reinforcing fiber, and wollastonite; step of producing a sheet by dehydrating the slurry; and step of pressing and curing the sheet; wherein, in the step of producing a slurry, a composition of the slurry is set so as to contain, in a solid content ratio, 30 to 70 mass % of hydraulic material, 5 to 15 mass % of reinforcing fiber, and 1 to 30 mass % of wollastonite having a wet volume (after being allowed to stand for 30 minutes) of 15 to 45 ml. 1. An inorganic board , comprising , in a solid content ratio , 30 to 70 mass % of hydraulic material , 5 to 15 mass % of reinforcing fiber , and 1 to 30 mass % of wollastonite having a wet volume (after being allowed to stand for 30 minutes) of 15 to 45 ml.2. The inorganic board according to claim 1 , wherein the wollastonite has a difference between a wet volume (after being allowed to stand for 15 minutes) and a wet volume (after being allowed to stand for 30 minutes) of less than 10%.3. The inorganic board according to claim 1 , which is a cured mat obtained by dehydrating a slurry.4. The inorganic board according to claim 1 , further comprising 18 to 64 mass % of inorganic admixture.5. The inorganic board according to claim 4 ,wherein at least one of mica, pearlite, coal ash, paper sludge ash, and magnesium hydroxide is contained as the inorganic admixture, andat least one of waste paper and pulp is contained as the reinforcing fiber.6. A method for manufacturing an inorganic board claim 4 , comprising:a step of producing a slurry containing a hydraulic material, a reinforcing fiber, and wollastonite;a step of producing a sheet by dehydrating the obtained slurry; anda step of pressing and curing ...

EXTRUSION MOLDING HYDRAULIC COMPOSITION

A hydraulic composition comprising a water-soluble hydroxyalkyl alkyl cellulose, cement, aggregate, reinforcing fibers, and water is provided. The hydroxyalkyl alkyl cellulose has a degree of alkyl substitution of 1.2-1.7, the sum of the degree of alkyl substitution and the molar substitution of hydroxyalkyl is 1.5-2.0, and a proportion of glucose ring not substituted with alkyl and hydroxyalkyl groups per glucose ring unit is up to 10 mol %. The composition cures within a short time and is extrusion moldable even at elevated temperature. 1. An extrusion molding hydraulic composition comprising a water-soluble hydroxyalkyl alkyl cellulose , cement , an aggregate , reinforcing fibers , and water , whereinsaid hydroxyalkyl alkyl cellulose has a degree of alkyl substitution of 1.2 to 1.7, the sum of the degree of alkyl substitution and the molar substitution of hydroxyalkyl is 1.5 to 2.0, and a proportion of glucose ring not substituted with alkyl and hydroxyalkyl groups per glucose ring unit is up to 10 mol %.2. The composition of wherein said hydroxyalkyl alkyl cellulose is hydroxypropyl methyl cellulose or hydroxyethyl methyl cellulose.3. The composition of wherein said hydroxyalkyl alkyl cellulose has an ash content which is up to 1.0% by weight for hydroxypropyl methyl cellulose or up to 2.0% by weight for hydroxyethyl methyl cellulose.4. The composition of any one of to wherein said hydroxyalkyl alkyl cellulose has a light transmittance of at least 75% when measured as a 2 wt % aqueous solution at 20° C. claim 2 , wavelength 720 nm claim 2 , and cell length 20 mm. This non-provisional application claims priority under 35 U.S.C. §119(a) on Patent Application No. 2012-154270 filed in Japan on Jul. 10, 2012, the entire contents of which are hereby incorporated by reference.This invention relates to a hydraulic composition, typically extrusion molding hydraulic composition.In the past, extrusion molding compositions used asbestos and water-soluble cellulose ether as ...

Substrate integrated waveguide coupler

Disclosed is a substrate integrated waveguide coupler. The substrate integrated waveguide coupler according to the present invention includes: a substrate; an upper conducting plate applied to an upper portion of the substrate; a lower conducting plate applied to a lower portion of the substrate; two peripheral via holes disposed parallel to each other on both sides of the substrate, respectively, and being of a pipeline type electrically connecting the upper conducting plate and the lower conducting plate to each other; and an inner via hole disposed between the two peripheral via holes, and having a center thereof separated by a preset distance and forming a short slot functioning to couple input signals.

COMPOSITION FOR A VERY DURABLE PASTY FILL AND FINISHING MATERIAL, PASTY FILL AND FINISHING MATERIAL, AND METHOD FOR PRODUCING IT

The invention relates to a composition for a pasty fill and finishing material, a pasty fill and finishing material, and a method for producing a pasty fill and finishing material. The composition comprises at least one filler, at least one binding agent, and additives, wherein the at least one binding agent comprises an organic polymer and hydroxyethyl cellulose, and wherein the at least one filler is a lamellar silicate material. 1. A composition for a pasty fill and finishing material , comprising at least one filler , at least one binding agent , and additives , wherein the at least one binding agent comprises an organic polymer and hydroxyethyl cellulose , and wherein the at least one filler is a lamellar silicate material.2. The composition according to claim 1 , wherein the organic polymer is selected from a group consisting of poly(ethylene-vinyl acetate) claim 1 , polyvinyl acetate claim 1 , polyacrylate claim 1 , or any combinations thereof.3. The composition according to claim 1 , wherein the composition comprises 0.1 to 20% by weight of the total composition of the at least one binding agent.4. The composition according to claim 1 , wherein the at least one binding agent comprises 0.001 to 0.20% by weight of the total composition of the hydroxyethyl cellulose.5. The composition according to claim 1 , wherein the lamellar silicate material is selected from a group consisting of sepiolite claim 1 , attapulgite claim 1 , talc claim 1 , montmorillonite claim 1 , illite claim 1 , kaolinite or hectorite.6. The composition according to claim 1 , wherein the composition comprises 0.01 to 1.00% by weight of the total composition of the lamellar silicate material.7. The composition according to claim 1 , wherein the lamellar silicate material contains magnesium and/or aluminum.8. The composition according to claim 1 , wherein the composition further comprises cellulose.9. The composition according to claim 8 , wherein the composition comprises 0.1 to 2.0% by ...

HYALOCLASTITE, SIDEROMELANE OR TACHYLITE POZZOLAN-BASED GEOPOLYMER CEMENT AND CONCRETE AND METHOD OF MAKING AND USING SAME

The invention comprises a cementitious material comprising a natural pozzolan selected from hyaloclastite, sideromelane or tachylite, wherein the natural pozzolan has a volume-based mean particle size of less than or equal to 40 μm. The cementitious material also comprising an aqueous alkaline activating solution suitable for forming a geopolymer. A method making a cementitious material is also disclosed. 1. A cementitious material comprising:a natural pozzolan selected from hyaloclastite, sideromelane, tachylite or combinations or mixtures thereof, wherein the natural pozzolan has a volume-based mean particle size of less than or equal to approximately 40 μm; andan aqueous alkaline activating solution suitable for forming a geopolymer.2. The cementitious material of claim 1 , wherein the natural pozzolan has a volume-based mean particle size of less than or equal to approximately 20 μm.3. The cementitious material of claim 1 , wherein the natural pozzolan has a volume-based mean particle size of less than or equal to approximately 10 μm.4. The cementitious material of claim 1 , wherein the natural pozzolan has a volume-based mean particle size of less than or equal to approximately 5 μm.5. The cementitious material of claim 1 , wherein the aqueous alkaline activating solution comprises a hydroxide selected from NaOH claim 1 , KOH claim 1 , CaOH claim 1 , and other minerals or compounds having reactive hydroxyl groups.6. The cementitious material of claim 5 , wherein the hydroxide is sodium hydroxide or potassium hydroxide.7. The cementitious material of claim 5 , wherein the aqueous alkaline activating solution further comprises a water-soluble alkali metal silicate.8. The cementitious material of claim 7 , wherein the water-soluble alkali metal silicate is sodium silicate or potassium silicate.9. The cementitious material of claim 1 , wherein the aqueous alkaline activating solution comprises sodium hydroxide or potassium hydroxide and sodium silicate or potassium ...

Manufacturing Method of Big-model Low-Permeability Microcrack Core

A manufacturing method of a big-model low-permeability microcrack core includes: (1) determining the size of a microcrack core to be manufactured; (2) placing stones in a baking oven to bake for 24 h under 120° C., placing the stones into a mixer, mixing and spraying oil, enabling the oil to seep into the stone, evenly forming a thin oil film on stone's surface; (3) mixing the oil sprayed stone with quartz sand and cement, adding water to mix evenly to obtain cement paste; (4) spreading butter on core mould's inner surface to form a thin butter film, pouring the cement paste into the core mould to obtain a cement sample; (5) loading confining pressure outside the core according to the requirements of porosity and permeability of the mould to adjust a pore permeability value; (6) obtaining the big-model core with microcrack after the cement sample is dried and formed. 1. A manufacturing method of a big-model low-permeability microcrack core , comprising the following step successively:(1) determining a size of a microcrack core to be manufactured;(2) placing a plurality of stones in a baking oven to bake for 24 h under 120° C., placing the plurality of stones into a mixer, mixing and spraying an oil, and placing the mixtue of the plurality of stones and the oil for 2 h after mixing evenly to enable the oil to seep into the plurality of stone and evenly forming a layer of thin oil film on a surface of the plurality of stones;(3) mixing the plurality of stones sprayed by the oil in step (2) with a quartz sand and a cement, and then adding water to mix evenly to obtain a cement paste;(4) spreading a butter on an inner surface of a core mould to form a layer of thin butter film on the inner surface of the core mould, pouring the cement paste in step (3) into the core mould, and vibrating the cement paste in the core mould by a vibrating spear during pouring to obtain a cement sample;(5) loading confining pressure outside the core according to requirements on a degree of ...

COMPOSITION FOR A PASTY FILLER MATERIAL, PASTY FILLER, AND METHOD FOR PRODUCING A PASTY FILLER MATERIAL

The invention relates to a composition for a pasty filler material (1), comprising an organic binding agent, fillers, and additives. Furthermore, the composition comprises perlites having an amphiphilic coating. The invention further relates to a corresponding pasty filler material (1), and a method for producing a pasty filler material (1). The inventive pasty filler has a lower tendency to post-thickening than other known pasty fillers. 1. Composition for a pasty filler material (1) , comprising an organic binding agent , fillers , perlites , and additives wherein the perlites have an amphiphilic coating.2. Composition according to claim 1 , wherein the fillers are selected from the group consisting of calcium carbonates claim 1 , calcium magnesium carbonates claim 1 , calcium sulfates claim 1 , and lamellar siliceous materials claim 1 , or any combination thereof.3. Composition according to claim 2 , wherein the lamellar siliceous materials comprise kaolin of the illite group.4. Composition according to claim 1 , wherein the composition comprises 0.2 to 10% by weight of palygorskite.5. Composition according to claim 4 , wherein the composition comprises 2 to 40% by weight of perlites.6. Composition according to claim 1 , wherein the amphiphilic coating comprises alkoxy-modified alkylsilicone resins.7. Composition according to claim 1 , wherein the composition further comprises 0.1 to 0.5% by weight of an additive consisting of a blend of liquid hydrocarbons claim 1 , modified fatty acid derivatives claim 1 , nonionic emulsifiers claim 1 , and silicone oil.8. Composition according to claim 7 , wherein the liquid hydrocarbons are selected from the group consisting of saturated hydrocarbons with the general formula CH claim 7 , where n=5 to 15 with straight or branched carbon chains and cycloalkanes composed of 5 and 6 member rings with the general formula CH claim 7 , and mixtures thereof.9. Composition according to claim 7 , wherein the modified fatty acid ...

Expanded Lightweight Aggregate Made From Glass or Pumice

An expanded lightweight aggregate has compositional ranges (Wt. % Range) of about: (a) 40 to 60% ground glass or pumice, 40 to 60% water, 3 to 15% sodium silicate, and 0.1 to 5% NaNOfor the slurry; and (b) 50 to 85% ground glass or pumice, and 15 to 50% slurry for the granulator. 1. An expanded lightweight aggregate formed from a mixture comprising:a first ground glass or pumice in the range of about 40 to 60% by weight percent for a slurry;a water in the range of about 40 to 60% by weight percent for the slurry;a sodium silicate in the range of about 3 to 15% by weight percent for the slurry;{'sub': '3', 'a NaNOin the range of about 0.1 to 5% for the slurry;'}a second ground glass or pumice in the range of about 50 to 85% by weight percent for a granulator; andthe slurry in the range of about 15 to 50% by weight percent for the granulator.2. The expanded lightweight aggregate as recited in claim 1 , wherein the water is in the range of about 45 to 50% by weight percent for the slurry.3. The expanded lightweight aggregate as recited in claim 1 , wherein the sodium silicate is in the range of about 6 to 7% by weight percent.4. The expanded lightweight aggregate as recited in claim 1 , wherein the NaNOis in the range of about 0.9 to 1.1% by weight percent.5. The expanded lightweight aggregate as recited in claim 1 , wherein the granulator has a ratio of about 1 part of the slurry to about 2.5 parts of the second ground glass or pumice.6. The expanded lightweight aggregate as recited in claim 1 , wherein the expanded lightweight aggregate has a bulk density in the range of about 0.10 to 0.5 g/cmand an effective density in the range of about 0.10 to 0.8 g/cm.7. The expanded lightweight aggregate as recited in claim 1 , wherein the expanded lightweight aggregate has a compressive strength in the range of about 0.5 MPa to 5 MPa.8. The expanded lightweight aggregate as recited in claim 1 , wherein the expanded lightweight aggregate has a heat conductance in the range of ...

Corrosion Resistant Spray Applied Fire Resistive Materials

The present disclosure relates to corrosion resistant coating compositions, kits and methods of applying the same, for use as fireproofing materials. The corrosion resistant spray applied fire resistant material contains an organic corrosion inhibitors, such as an aldonic acid, benzoic acid, or combinations thereof, to reduce or eliminate corrosion of the underlying substrate. 1. A fireproofing composition comprising:(i) a binder(ii) a filler, and(iii) at least one organic corrosion inhibitor selected from an aldonic acid or a salt thereof, a benzoic acid or a salt thereof, or combinations thereof.2. The fireproofing composition of wherein the binder is selected from the group consisting of portland cement claim 1 , pozzolanas claim 1 , pozzolanic cement claim 1 , quicklime claim 1 , plaster and calcium aluminate cement.3. The fireproofing composition of wherein the filler is selected from the group consisting of silica claim 1 , diatomaceous earth claim 1 , alumina claim 1 , zinc oxide claim 1 , titanium oxide claim 1 , calcium oxide claim 1 , magnesium oxide claim 1 , iron oxide claim 1 , tin oxide claim 1 , antimony oxide claim 1 , ferrites claim 1 , calcium hydroxide claim 1 , magnesium hydroxide claim 1 , aluminum hydroxide claim 1 , basic magnesium carbonate claim 1 , calcium carbonate claim 1 , magnesium carbonate claim 1 , zinc carbonate claim 1 , barium carbonate claim 1 , dawsonite claim 1 , hydrotalcite claim 1 , calcium sulfate claim 1 , barium sulfate claim 1 , gypsum fiber claim 1 , a potassium salt such as calcium silicate claim 1 , etc. claim 1 , vermiculite claim 1 , kaolin claim 1 , mica claim 1 , talc claim 1 , clay claim 1 , mica claim 1 , montmorillonite claim 1 , bentonite claim 1 , activated clay claim 1 , sepiolite claim 1 , imogolite claim 1 , sericite claim 1 , glass fiber claim 1 , glass beads claim 1 , ceramic beads claim 1 , silica series balloon claim 1 , aluminum nitride claim 1 , boron nitride claim 1 , silicon nitride claim 1 , ...

Overcoming the Retardation of Cement Hydration from Dispersing Agents used in Suspension of Additives

A method of cementing a subterranean formation includes forming a cement composition comprising cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant; and pozzolanic material; introducing the cement composition into a subterranean formation; and allowing the cement composition to set in the subterranean formation. A method of making a cement composition includes combining cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant, and a pozzolanic material, where the rate of hydration of the surfaces of the cementitious material is less retarded by the surfactant than an equivalent cement composition without pozzolanic material. 1. A method of making a well cement composition comprising:combining a cementitious material; an aqueous base fluid; a nano-reinforcement particle suspension comprising a surfactant; and a pozzolanic material, wherein the pozzolanic material is selected from the group consisting of micro-pozzolanic material, nano-pozzolanic material, and combinations thereof; andwherein the rate of hydration of the surfaces of the cementitious material is less retarded by the surfactant than an equivalent cement composition without pozzolanic material.2. The method of claim 1 , wherein the nano-reinforcement particles are at least one selected from single wall carbon nano tubes (SWCNT) claim 1 , multi-wall carbon nanotubes (MWCNT) claim 1 , and combinations thereof.3. The method of claim 1 , wherein the surfactant is an anionic surfactant.4. The method of claim 1 , wherein the nano-reinforcement particle suspension comprising a surfactant and pozzolanic material are combined before adding the cementitious material and aqueous base fluid.5. The method of claim 1 , wherein the nano-reinforcement particles are present in an amount of about 0.01% to about 3.0% by weight of cement.6. The method of claim 1 , wherein the pozzolanic material is at least one ...

INSULATING MONOLITHIC REFRACTORY MATERIAL

An insulating monolithic refractory material having sufficient curing strength and usable time ensured and exhibiting excellent stability at high temperature. The insulating monolithic refractory material comprises a binder and a refractory raw material; a bulk specific gravity thereof is 0.8 to 1.8 when a kneaded mixture of the insulating monolithic refractory material with water is cured at normal temperature for 24 hours and then dried at 110° C. for 24 hours; the binder comprises a calcium aluminate cement including CaO and AlOas chemical components and a strontium aluminate cement including SrO and AlOas chemical components; and on the basis of 100% by mass as a total mass of the binder and the refractory raw material, a content of the strontium aluminate cement is 2 to 10% by mass, and a content of CaO derived from the calcium aluminate cement is 1 to 12% by mass. 1. An insulating monolithic refractory material , whereinthe insulating monolithic refractory material comprises a binder and a refractory raw material;a bulk specific gravity of the insulating monolithic refractory material is in a range of 0.8 to 1.8 both inclusive when a kneaded mixture of the insulating monolithic refractory material with water is cured at normal temperature for 24 hours and then dried at 110° C. for 24 hours;{'sub': 2', '3', '2', '3, 'the binder comprises a calcium aluminate cement including CaO and AlOas chemical components and a strontium aluminate cement including SrO and AlOas chemical components; and'}on the basis of 100% by mass as a total mass of the binder and the refractory raw material, a content of the strontium aluminate cement is in a range of 2 to 10% by mass both inclusive, and a content of CaO derived from the calcium aluminate cement is in a range of 1 to 12% by mass both inclusive.2. The insulating monolithic refractory material according to claim 1 , wherein on the basis of 100% by mass as the total mass of the binder and the refractory raw material claim 1 , ...

SILICA MOLDED BODIES HAVING LOW THERMAL CONDUCTIVITY

Hydrophobic shaped silica bodies having low density and low thermal conductivity are produced by forming a dispersion of silica in a solution of binder and organic solvent, and removing the solvent and shaping to form a shaped body. The shaped bodies retain their hydrophobicity, are stable with regards to shape, and are useful in acoustic and thermal insulation. 17.-. (canceled)8. A process for producing shaped silica bodies having a C content of less than 8% by weight ,{'sup': '3', 'a density, determined by Hg porosimetry, of less than 0.30 g/cm,'}{'sup': '3', 'a pore volume for pores smaller than 4 μm, determined by Hg porosimetry, of more than 2.0 cm/g,'}a proportion of the pores smaller than 4 μm, based on the total pore volume, of at least 60% anda thermal conductivity, determined by a non-steady-state method, of less than 30 mW/K*m, i) producing a dispersion containing silica, at least one binder and an organic solvent, and', 'ii) evaporating the solvent from the dispersion, and shaping to form the shaped silica bodies., 'comprising9. The process of claim 8 , wherein hydrophilic silica or a mixture of hydrophilic silica and partially hydrophobic silica is as the silica.10. The process of claim 8 , wherein silanes containing a C-C-alkyl group claim 8 , Calkenyl group claim 8 , methoxy group claim 8 , ethoxy group claim 8 , or a mixture thereof are used as a binder.11. The process of claim 8 , wherein at least one solvent is selected from the group consisting of alkanes claim 8 , ethers claim 8 , alcohols claim 8 , and mixtures thereof.12. A shaped silica body produced by the process of .13. Acoustic or thermal insulation comprising shaped silica bodies of . This application is the U.S. National Phase of PCT Appln. No. PCT/EP2016/078739 filed Nov. 24, 2016, which claims priority to PCT Application No. PCT/EP2015/077854 filed Nov. 26, 2015, the disclosures of which are incorporated in their entirety by reference herein.The invention relates to high-viscosity ...

SOUND INSULATING MATERIAL, SOUND INSULATING PLATE AND PARTITION STRUCTURE OF TRAIN CARRIAGE

A sound insulating material, a sound insulating plate, and a partition structure of a train carriage are provided. The sound insulating material comprises the following components in weight ratio: 2-8 parts of tricalcium silicate; 4-10 parts of calcium hydroxide; 10-30 parts of aluminosilicate; 4-10 parts of alumina; 5-15 parts of iron oxide; 10-30 parts of a binder; and 5-10 parts of a curing agent, wherein the binder is at least two of lithium silicate, sodium silicate and calcium silicate; the curing agent is at least one of lithium oxide, magnesium oxide and silica; and the mixture of the aluminosilicate, alumina and iron oxide expands at 1000° C.-1350 ° C. to form particles. The sound insulating plate made of this material is lightweight and has a sound insulation capacity of 35-42 dB. 1. A sound insulating material characterized by comprising the following components in weight ratio:2-8 parts of tricalcium silicate;4-10 parts of calcium hydroxide;10-30 parts of aluminosilicates;4-10 parts of alumina;5-15 parts of iron oxide;10-30 parts of a binder;5-10 parts of a curing agent;wherein the binder is at least two of lithium silicate, sodium silicate, and calcium silicate; and the curing agent is at least one of lithium oxide, magnesium oxide, and silica; anda mixture of the aluminosilicate, the alumina and the iron oxide expands and forms into particles at 1000° C.-1350° C.; the particles are mixed with the tricalcium silicate, the calcium hydroxide, the binder and the curing agent and poured into a forming mold, heated and pressurized to form the material.2. The sound insulating material according to claim 1 , characterized by further comprising 5-10 parts of clay in weight ratio.3. The sound insulating material according to claim 1 , characterized in that when the binder is a mixture of lithium silicate and sodium silicate claim 1 , its components in weight ratio are:6-15 parts of lithium silicate;5-15 parts of sodium silicate;when the binder is a mixture of ...

FIREPROOF MATERIAL AND FIREPROOF PLATE, AND FIREPROOF WALL STRUCTURE FOR TUNNEL AND CONSTRUCTION METHOD

Disclosed are a fireproof material, a fireproof plate, a fireproof wall structure for tunnels and a construction method. The fireproof material includes the following components in weight ratio: 20-35 parts of aluminosilicate; 10-25 parts of calcium carbonate; 5-15 parts of magnesium oxide; 5-15 parts of silica; 20-40 parts of a binder; and 5-10 parts of a curing agent, the binder includes at least one of lithium silicate, potassium silicate and sodium silicate in combination with at least one of quartz sand and industrial sugar; and the curing agent is at least one of lithium oxide and magnesium oxide. In the preparation, firstly forming the mixture of aluminosilicate, magnesium oxide and silica into particles at 900° C.-1250° C., and then mixing the particles with calcium carbonate, the binder and the curing agent, and then pouring same into a forming mold and heating and pressing to form the fireproof material. 1. A fireproof material , characterized in that the material comprises the following components in weight ratio:20-35 parts of aluminosilicate;10-25 parts of calcium carbonate;5-15 parts of magnesium oxide;5-15 parts of silica;20-40 parts of binder;5-10 parts of curing agent;wherein the binder is at least one of lithium silicate, potassium silicate, and sodium silicate mixed with at least one of quartz sand and industrial sugar; and the curing agent is at least one of lithium oxide and magnesium oxide; a mixture of the aluminosilicate, the magnesium oxide and the silica forms into particles at 900° C.-1250° C.; the particles are mixed with the calcium carbonate, the binder and the curing agent, poured into a forming mold, heated and pressed to form the material.2. The fireproof material according to claim 1 , further comprising 5-10 parts of bentonite in weight ratio;3. The fireproof material according to claim 1 ,wherein, when the binder is a mixture of lithium silicate and industrial sugar, the components in weight ratio are:15-25 parts of lithium ...

Nano modified silicate capillary crystalline material and use method thereof

A concrete durability protection method is provided, including following steps: Step one: rinsing the concrete surface; Step two: spraying agent A material or alternately spraying agent B material and agent A material at the wet surface of the concrete; Step three: repeating step two. The beneficial effects of the present invention include: nanoscale active silicate penetrates into the concrete surface layer within a certain depth and reacts with free calcium ions within the concrete to form C—S—H crystalline, thereby improving the compactness of the concrete surface layer within a certain depth, repairing defects in the concrete surface layer within a certain depth, such as the capillary interstices, pores, microcracks, etc., so as to effectively improve the durability of concrete. The unreacted nanoscale active silicate material has permanent activity. It could recover its activity when the concrete absorbs moisture, and continue to react with free calcium ions in the concrete to quickly form C—S—H crystals, realizing the permanent concrete durability protection.

Inorganic Foam Based On Calcium Sulfoaluminate

The present invention relates to a process for preparing a particle-stabilized inorganic foam based on calcium sulfoaluminate, to a particle-stabilized inorganic foam based on calcium sulfoaluminate, to a cellular material obtainable by hardening and optionally drying the particle-stabilized inorganic foam based on calcium sulfoaluminate, and to a composition for preparing an inorganic foam formulation for providing a particle-stabilized inorganic foam based on calcium sulfoaluminate. 1. A process for preparing an inorganic foam comprising the steps of (i) at least one group of inorganic particles;', '(ii) at least one amphiphilic compound;', (iiia) at least one calcium sulfoaluminate mixture, and optionally', '(iiib) at least one further inorganic binder selected from the group consisting of hydraulic binders, latent hydraulic binders, pozzolanic binders, and mixtures thereof;, '(iii) at least one inorganic binder mixture comprising'}, '(iv) water; and optionally', '(v) at least one additive; and, '(1) mixing'}(2) foaming the resulting foam formulation by chemical, physical or mechanical foaming.2. The process according to claim 1 , wherein the at least one group of inorganic particles is selected from the group consisting of oxides claim 1 , hydroxides claim 1 , carbides claim 1 , nitrides claim 1 , phosphates claim 1 , carbonates claim 1 , silicates claim 1 , sulfates claim 1 , and mixtures thereof.3. The process according to claim 1 , wherein the at least one group of inorganic particles is selected from the group consisting of silica particles claim 1 , alumina particles claim 1 , zirconia particles claim 1 , CaCOparticles claim 1 , and mixtures thereof4. The process according to claim 1 , wherein the at least one group of inorganic particles has a median particle size Din the range of from 30 nm to 300 μm.5. The process according to any one of claims claim 1 , wherein the at least one amphiphilic compound comprises amphiphilic compounds with at least one polar ...

PREMIXED HYBRID GROUT

Grouts, grout products and methods of applying such grouts that include a urethane-acrylic hybrid polymer dispersion (UA-HPD) and a filler material. The UA-HPD may be present in an amount of about 10-40% by weight of the composition, while the filler material may be present in an amount of about 60-90% by weight of the composition. Additional filler materials may also be provided within the UA-HPD grout composition to provide the resultant UA-HPD grout with desired characteristics and properties. The UA-HPD containing grouts are applied between spaced-apart tiles and/or masonry to fill voids and/or joints there-between. 2. The grout composition of wherein the UA-HPD is present in an amount of greater than 15 wt. % to 40% by weight of the composition.3. The grout composition of wherein the one or more filler materials are present in an amount of about 60-90% by weight of the composition.4. The grout composition of wherein filler material is selected from the group consisting of sand claim 1 , silica sand claim 1 , colored silica sand claim 1 , fine silica claim 1 , glass claim 1 , recycled glass claim 1 , limestone claim 1 , minerals claim 1 , and combinations thereof.5. The composition of wherein the one or more filler materials comprise a quartz filler material in combination with one or more additional filler materials that add desired characteristics and properties to said grout.6. The composition of wherein the one or more additional filler materials are selected from the group consisting of freeze-thaw stabilizer co-solvent claim 5 , plasticizer claim 5 , short fibers claim 5 , glass fibers claim 5 , an adhesion promoter claim 5 , a preservative claim 5 , biocide claim 5 , cellulose or starch ether claim 5 , a thickening agent claim 5 , silica fume claim 5 , silica fume claim 5 , a deaerator claim 5 , defoamer claim 5 , surfactant claim 5 , and any combination of the foregoing.7. The composition of wherein the quartz filler material is present in an amount of ...

Overcoming the Retardation of Cement Hydration from Dispersing Agents used in Suspension of Additives

A method of cementing a subterranean formation includes forming a cement composition comprising cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant; and pozzolanic material; introducing the cement composition into a subterranean formation; and allowing the cement composition to set in the subterranean formation. A method of making a cement composition includes combining cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant, and a pozzolanic material, where the rate of hydration of the surfaces of the cementitious material is less retarded by the surfactant than an equivalent cement composition without pozzolanic material. 1. A method of cementing in a subterranean formation comprising:forming a cement composition comprising cementitious material, an aqueous base fluid, a nano-reinforcement particle suspension comprising a surfactant; and a pozzolanic material, wherein the pozzolanic material is selected from the group consisting of micro-pozzolanic material, nano-pozzolanic material, and combinations thereof;introducing the cement composition into a subterranean formation; andallowing the cement composition to set in the subterranean formation.2. The method of claim 1 , wherein the rate of hydration of the surfaces of the cementitious material is less retarded by the surfactant than an equivalent cement composition without pozzolanic material.3. The method of claim 1 , wherein in the forming claim 1 , the nano-reinforcement particle suspension comprising a surfactant and pozzolanic material are combined before adding the cementitious material and aqueous base fluid.4. The method of claim 1 , wherein the surfactant is an anionic surfactant.5. (canceled)6. The method of claim 1 , wherein the nano-reinforcement particles are at least one selected from single wall carbon nano tubes (SWCNT) claim 1 , multi-wall carbon nanotubes (MWCNT) claim 1 , and ...

Co-grinding slag with other material for hydraulic binders

A variety of systems, methods and compositions are disclosed for cementing in subterranean formations. Embodiments may include the use of slag co-grind in well cementing operations.

HYDROPHOBIZED FIBER CEMENT PRODUCTS, METHODS FOR PRODUCTION, AND USES THEREOF

The present invention relates hydrophobized fiber cement products and methods for the production thereof as well as uses of such products, in particular in the building industry. In particular, the present invention provides hydrophobized fiber cement product, comprising a fiber cementitious matrix and a hydrophobizing agent uniformly dispersed therein, wherein said hydrophobizing agent comprises at least one hydrophobic silicone resin having a three-dimensional molecular network structure. The present invention further provides processes for producing a hydrophobized fiber cement product with enhanced water impermeability, wherein said process comprises at least the steps of: a) admixing an inorganic curable cementitious matrix with a hydrophobizing agent to form a curable mixture, wherein said hydrophobizing agent comprises at least one hydrophobic silicone resin having a three-dimensional molecular network structure, b) transforming the curable mixture into a shaped body; and c) curing the curable mixture to form a uniformly hydrophobized fiber cement product. 1. A hydrophobized fiber cement product , comprising a fiber cementitious matrix and a hydrophobizing agent uniformly dispersed therein , wherein said hydrophobizing agent comprises at least one hydrophobic silicone resin having a three-dimensional molecular network structure.2. The hydrophobized fiber cement product according to claim 1 , wherein said hydrophobic silicone resin is an alkyl alkoxy silicone resin.3. The hydrophobized fiber cement product according to claim 1 , wherein said hydrophobic silicone resin is an alkyl triethoxy silicone resin.4. The hydrophobized fiber cement product according to claim 1 , wherein said hydrophobic silicone resin is an octyl triethoxy silicone resin.5. The hydrophobized fiber cement product according to claim 1 , wherein said hydrophobic silicone resin is is liquid at ambient temperature in its substantially pure form.6. The hydrophobized fiber cement product ...

FIRE RESISTANT COATING

A density controlled cold fusion concrete cementitious spray applied fireproofing material including a mixture of water, one or more of silicon dioxide, expanded glass, vermiculite, bottom ash, perlite, expanded shale, expanded polystyrene, and sulfonated formaldehyde, or other lightweight aggregates of various diameter sizes ranging from about 0.025 mm to about 12.5 mm in diameter; anhydrous or hydrous sodium or potassium metasilicate; waste from steel production consisting of Granulated Ground Blast Furnace Slag (GGBFS); high calcium or low calcium waste from coal combustion (fly ash or bottom ash); sodium tetraborate, sodium citrate dihydrate, citric acid, or boric acid; and an alkali-resistant micro-fiber. 1. A fire-resistant , geopolymer coating composition that is free of Portland cement and which exhibits a predetermined equilibrium density within the range from about 15-60 pounds per cubic foot and a compressive strength within the range of 200-3000 psi , said composition comprising: 5-60 wt % of at least one alkali-activated, cementitious material;', '2-15 wt % of at least one activator for said alkali-activated, cementitious material;', '0-15 wt % of at least one set-time retardant;', '0.01-5 wt % of at least one alkali-resistant fiber;', '0-2 wt % of magnesium oxide in an amount sufficient to control shrinkage in said mixture when cured;', '0-4 wt % of a water reducer;', '0-4 wt % of a protein or synthetic protein material;', '0-4 wt % of a rheology enhancer; and', 'water., '15-50 wt % of at least one lightweight aggregate having a bulk specific gravity of less than 1.0 and a diameter ranging from about 0.025 mm to about 12.5 mm;'}2. A fire-resistant claim 1 , geopolymer coating composition according to wherein said coating exhibits an equilibrium density of about 15 pounds per cubic foot.9. A fire-resistant claim 1 , geopolymer coating composition according to wherein said coating composition exhibits an equilibrium density of about 40 pounds per cubic ...

HIGH STRENGTH, DENSITY CONTROLLED COLD FUSION CONCRETE CEMENTITIOUS SPRAY APPLIED FIREPROOFING

A density controlled cold fusion concrete cementitious spray applied fireproofing material including a mixture of water, one or more of silicon dioxide, expanded glass, vermiculite, bottom ash, perlite, expanded shale, or other lightweight aggregates of various diameter sizes ranging from about 0.025 mm to about 12.5 mm in diameter; anhydrous or hydrous sodium or potassium metasilicate; waste from steel production consisting of Granulated Ground Blast Furnace Slag (GGBFS); high calcium or low calcium waste from coal combustion (fly ash or bottom ash); sodium tetraborate, sodium citrate dihydrate, citric acid, or boric acid; and an alkali-resistant micro-. 1. A sprayable , fire resistant , cold fusion concrete formulation containing a geopolymer cement that uses no liquid hydroxide additives as a primary activator or a pH elevator , and wherein said formulation exhibits an equilibrium density of less 60 pounds per cubic foot and a cured compressive strength above 1 ,000 pounds per square inch , said formulation comprising:15-50 wt % of at least two aggregates of different sizes, each aggregate exhibiting a diameter ranging from about 0.025 mm to about 12.5 mm and having a bulk specific gravity of not greater than 0.60 and that when subject to temperatures in excess of 1,999° F. do not produce smoke, said lightweight aggregates being selected from the group consisting of silicon dioxide, expanded glass, manmade or coal combustion by-product cenospheres, vermiculite, volcanic cinders, expanded glass, glass bubbles, aluminum bubble, bottom ash, perlite, and expanded shale;2-25 wt % of at least one geopolymer activator consisting of sodium metasilicate, potassium metasilicate, sodium pentahydrate, or potassium pentahydrate;5-60 wt % of at least one geopolymer cementitious material comprising granulated ground blast furnace slag;up to 15 wt % of at least one set-time retarder comprising sodium tetraborate, sodium citrate dihydrate, citric acid, or boric acid;0.05-5 wt % ...

Methods of making cement slurries and cured cement and use thereof

Cured cements, cement slurries, and methods of making cured cement and methods of using cement slurries are provided. The method of making a modified cement slurry includes adding particles comprising carbon nanotube sponges disposed on sacrificial templates to a cement slurry to form the modified cement slurry and allowing the sacrificial templates to disintegrate, thereby leaving the carbon nanotube sponges dispersed throughout the modified cement slurry.

BONDING ELEMENT, BONDING MATRIX AND COMPOSITE MATERIAL HAVING THE BONDING ELEMENT, AND METHOD OF MANUFACTURING THEREOF

A bonding element, a bonding element matrix and composite materials with a wide range of attractive properties that may be optimized, including, but not limited to, mechanical properties, thermal properties, magnetic properties, optical properties and nuclear properties, as a result of a first layer and second layer structure or core, first layer, and second layer structure of the bonding elements, as well as methods for making the bonding elements and the corresponding ceramic and/or composite materials. 1. A composite material comprising:a bonding matrix, and a core, wherein the core has a first chemical composition that includes one or more chemical elements;', 'a first layer at least partially covering a peripheral portion of the core, wherein the first layer has a second chemical composition that is a different chemical composition than the first chemical composition, the second chemical composition including cations corresponding to one of the chemical elements of the first chemical composition; and', 'a second layer at least partially covering a peripheral portion of the first layer, wherein the second layer has a third chemical composition that is a different chemical composition than the first and second chemical compositions, the third chemical composition including cations corresponding to one of the chemical elements of the first chemical composition,, 'a filler material incorporated in the bonding matrix, the bonding matrix comprising a plurality of bonding elements, each bonding element comprising wherein the core comprises at least one synthetic formulation having chemical elements M, Me, and O (oxygen) and/or OH group, M is an alkaline earth metal selected from calcium or magnesium, and Me is selected from a group of metals consisting of silicon, titanium, aluminum, phosphorous, vanadium, tungsten, molybdenum, gallium, manganese, zirconium, germanium, copper, niobium, cobalt, lead, iron, indium, arsenic and tantalum,', 'the filler material comprising ...

High Strength Reduced Elastic Modulus Concrete

Concrete that exhibits increased flexibility (i.e., low modulus of elasticity) and high compressive strength is described. High aspect ratio structures as may be formed of the concrete are described. Structures formed of the concrete can have the same high compressive strength as similar structures formed from a more conventional concrete, but can be significantly more flexible, which can allow for better load distribution in the structure and associated assembly. The concrete includes a weathered granite as course aggregate. The materials can be particularly beneficial in forming concrete components of a rail infrastructure, such as railroad ties and slabs.

Marble-like composite materials and methods of preparation thereof

The invention provides novel marble-like composite materials and methods for preparation thereof. The marble-like composite materials can be readily produced from widely available, low cost raw materials by a process suitable for large-scale production. The precursor materials include calcium silicate and calcium carbonate rich materials, for example, wollastonite and limestone. Various additives can be used to fine-tune the physical appearance and mechanical properties of the composite material, such as pigments (e.g., black iron oxide, cobalt oxide and chromium oxide) and minerals (e.g., quartz, mica and feldspar). These marble-like composite materials exhibit veins, swirls and/or waves unique to marble as well as display compressive strength, flexural strength and water absorption similar to that of marble.

Advanced multi-functional asbestos free thermal insulating material and the process for preparation thereof

The present invention relates to advanced multi-functional asbestos-free thermal insulating materials utilizing appropriate matrixes comprising nano thermal insulating precursor powder predominantly comprising calcium silicate and calcium magnesium silicate prepared from marble waste powder, rice husk and calcium hexametaphosphate; crushed silica fiberglass and a supporting matrix.

METHOD FOR PREPARING CERAMSITE BY USING MUNICIPAL SLUDGE AS RAW MATERIAL

A method for preparing ceramsite by using municipal sludge as raw material, including the following specific steps: drying; preparing ingredients including raw sludge, fly ash, kaolinite, steelmaking slag, zeolite, hematite, calcareous shale, waste incineration fly ash, FeO, waste glass, calcium carbonate, sodium lauryl sulfate, and sodium benzoate; mixing and stirring uniformly, and putting the stirred materials into a granulating machine for granulation; drying and preheating the material pellets after granulation, and then quickly transferring to a sintering device for first sintering at a low temperature and then sintering at a high temperature; crushing large chunks of the cooled materials; and separating and screening the crushed materials. The method of the present invention reduces the generation of the large chunks of the cooled materials in the obtained ceramsite, thereby reducing the subsequent crushing work and saving energy consumption accordingly. 1. A method for preparing ceramsite by using municipal sludge as a raw material , comprising:(1) drying: concentrating, digesting, mechanically dehydrating and drying the municipal sludge to obtain a raw sludge;wherein the step of the digesting comprises: removing a biodegradable organic matter in the municipal sludge by a common anaerobic process;{'sub': 2', '3, '(2) preparing ingredients: taking the ingredients according to the following parts by weight: 80-120 parts of the raw sludge, 10-20 parts of fly ash, 1-5 parts of kaolinite, 10-20 parts of steelmaking slag, 5-15 parts of zeolite, 1-5 parts of hematite, 5-15 parts of calcareous shale, 5-20 parts of waste incineration fly ash, 0.5-2 parts of FeO, 1-4 parts of waste glass, 0.1-2 parts of calcium carbonate, 0.1-2 parts of sodium lauryl sulfate, and 0.1-1.5 parts of sodium benzoate;'}(3) mixing and stirring the ingredients uniformly to obtain stirred materials, pouring the stirred materials into a granulating machine for a granulation to obtain material ...

METHOD FOR PRODUCING A CALCIUM SILICATE HYDRATE-COMPRISING HARDENING ACCELERATOR IN POWDER FORM

The invention relates to a method for producing a calcium silicate hydrate-comprising hardening accelerator in powder form, which comprises the steps of 1. A method for producing a calcium silicate hydrate-comprising hardening accelerator in powder form , which comprises the steps of(a) providing an aqueous suspension comprising calcium silicate hydrate;(b) mixing at least one calcium compound, selected from calcium acetate, calcium formate, calcium hydroxide, calcium oxide, and mixtures of two or more of said compounds, with the aqueous suspension comprising calcium silicate hydrate; and(c) drying the resulting mixture.2. The method according to claim 1 , wherein the suspension comprising calcium silicate hydrate is obtained by reacting an aqueous solution or suspension of a calcium source with an aqueous solution or suspension of a silicate source in the presence of at least one polymeric dispersant which comprises structural units having anionic or anionogenic groups and structural units having polyether side chains.3. The method according to claim 1 , wherein the calcium compound is selected from calcium hydroxide claim 1 , calcium oxide claim 1 , and mixtures thereof.4. The method according to claim 1 , wherein the calcium compound in an amount of 0.5 to 150 wt % based on the solids content of the calcium silicate hydrate-comprising suspension from step (a) claim 1 , is mixed with the calcium silicate hydrate-comprising suspension from step (a).5. The method according to claim 1 , wherein the drying is accomplished by spray drying or roll drying.6. A calcium silicate hydrate-comprising hardening accelerator in powder form claim 1 , obtained by the method according to .7. A building material mixture which comprises the calcium silicate hydrate-comprising hardening accelerator in powder form according to claim 6 , and a hydraulic and/or latent hydraulic binder.8. A process comprising mixing the calcium silicate hydrate-comprising hardening accelerator in powder ...

STABILIZED REFRACTORY COMPOSITIONS

A refractory composition including refractory aggregate, one or more matrix components, and silicate-coated set accelerator particles. The silicate-coated set accelerator particles can include one more of silicate-coated calcium hydroxide, magnesium hydroxide, calcium chloride, calcium carbonate, magnesium carbonate and calcium sulfate. Suitable silicate coatings include sodium silicate, potassium silicate, lithium silicate and mixtures thereof. A method of recovering an aged refractory composition, a settable composition and a method of manufacturing silicate-coated calcium hydroxide particles are also provided. 1. A refractory composition comprising:(a) refractory aggregate;(b) one or more matrix components; and(c) silicate-coated set accelerator particles.2. The refractory composition of claim 1 , wherein said silicate-coated set accelerator particles comprise silicate-coated particles of one or more of Ca(OH) claim 1 , magnesium hydroxide claim 1 , calcium chloride claim 1 , calcium carbonate claim 1 , magnesium carbonate claim 1 , lithium carbonate or calcium sulfate.3. The refractory composition of claim 1 , wherein said silicate coating is chosen from the group consisting of sodium silicate claim 1 , potassium silicate claim 1 , lithium silicate and mixtures thereof.4. The refractory composition of claim 2 , wherein said silicate coating is chosen from the group consisting of sodium silicate claim 2 , potassium silicate claim 2 , lithium silicate and mixtures thereof.5. The refractory composition of claim 2 , wherein said silicate-coated set accelerator particles comprise silicate-coated Ca(OH)particles claim 2 , wherein said silicate coating is chosen from the group consisting of sodium silicate claim 2 , potassium silicate claim 2 , lithium silicate and mixtures thereof.6. The refractory composition of claim 5 , wherein said silicate-coated set accelerator particles comprise sodium silicate-coated Ca(OH)particles.7. The refractory composition of any one of ...

Date palm ash based cement compositions

A concrete or mortar composition including (i) a cementitious binder material that contains Portland cement and 1-50 wt % date palm ash relative to the total weight of the cementitious binder material, (ii) a coarse aggregate, (iii) a fine aggregate, and (iv) water, wherein the cementitious binder material is present at 200-500 kg per m3 of the concrete or mortar composition.

THERMOSET CERAMIC COMPOSITIONS, INORGANIC POLYMER COATINGS, INORGANIC POLYMER MOLD TOOLING, INORGANIC POLYMER HYDRAULIC FRACKING PROPPANTS, METHODS OF PREPARATION AND APPLICATIONS THEREFORE

Thermoset ceramic compositions and a method of preparation of such compositions. The compositions are advanced organic/inorganic hybrid composite polymer ceramic alloys. The material combines strength, hardness and high temperature performance of technical ceramics with the strength, ductility, thermal shock resistance, density, and easy processing of the polymer. Consisting of a branched backbone of silicon, and alumina, with highly coordinated Si—O—Si or Al—O—Al bonds, the material undergoes sintering at 7 to 300 centigrade for 2 to 94 hours from water at a pH between 0 to 14, humidity of 0 to 100%, with or without vaporous solvents. 1. A composition of matter provided by the incipient materialsa) aluminum oxide,b) silicon oxide,c) solvent, and a source ofd) divalent cations.2. A composition of matter as claimed in wherein the composition of matter is a gel.3. The composition as claimed in wherein the divalent cations are selected from the group consisting of calcium claim 1 , and magnesium.4. A composition of matter as claimed in claim 2 , wherein claim 2 , in addition claim 2 , fibers are added.5. A method of preparation of composition of claim 1 , said method comprising:a) providing a mixture of aluminum oxide and silicon oxide; i. water,', 'ii. a source of OH,', 'iii. a solvent, and,', 'iv. a source of divalent cations;, 'b) providing a mixture, having a basic pH, in a slurry form, ofc) mixing A. and B.;d) exposing the product of C. to a temperature in the range of 160° F. to 250° F. for a period of time to provide a thermoset ceramic.6. The method as claimed in wherein the temperature range is from 175° F. to 225° F.7. The method as claimed in wherein the time period for heating is 2 to 6 hours.8. A product when prepared by the method as claimed in .9. A solid substrate when coated with a composition as claimed in .10. A composition of matter consisting of amorphous polymer comprising metal carbon bonds and metal oxide bonds.11. A composition as claimed in ...

HYDRAULIC BINDER FOR MORTAR, HAVING A LOW CARBON FOOTPRINT, AND MORTAR CONTAINING SUCH A HYDRAULIC BINDER

The invention relates to a low-carbon-footprint hydraulic binder for mortar, and to mortar containing such a hydraulic binder. The hydraulic binder for mortar comprises at least 60% steel slag and at least one catalyst. 1. A hydraulic binder for mortar ,comprising at least 60% steel slag and at least one catalyst.2. The hydraulic binder according to claim 1 , sodium silicate;', 'sodium sulphate;', 'calcium chloride;', 'calcium sulphate;', 'sodium carbonate;', 'magnesium; or', 'ultrafine limestone., 'wherein said catalyst comprises at least one of the following components3. A mortar formed from at least one hydraulic binder claim 1 , an aggregate and water claim 1 ,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein the hydraulic binder is the hydraulic binder according to .'}4. The mortar according to claim 3 ,comprising between 5% and 15% by weight of hydraulic binder.5. The mortar according to claim 3 ,wherein the mortar is a self-placing type mortar.6. The mortar according to claim 3 ,wherein said aggregate comprises excavated materials of worksite. The present invention relates to a hydraulic binder for mortar, as well as a mortar containing such a hydraulic binder.In the scope of the present invention, by hydraulic binder it is meant a mineral material which, mixed with water, forms a paste which sets and hardens as a result of reactions and processes of hydration, and which retains its strength and its stability after hardening, even under water. This hydraulic binder is intended to be used to produce a mortar.From document EP-1 775 270, a hydraulic binder is known having a particular composition of consistencies in very precise respective proportions. This hydraulic binder makes it possible to generate high strengths from the first hours. However, it does not appear particularly ecological.To obtain a more ecological binder, in particular via waste enhancement, one can be led to use industrial waste.Thus using blast furnace slag to produce a hydraulic ...

COMPOSITE ARCHITECTURAL ULTRA-HIGH PERFORMANCE PORCELAIN CONCRETE (CA-UHPPC) PANELS AND METHOD OF PRODUCING THE SAME

A composite ultra-high performance porcelain concrete includes cement in an amount between 500 and 680 kg/m; and porcelain sand in an amount between 500 and 1200 kg/m. The porcelain sand replaces a portion of cement which would normally be needed, thereby reducing environmental impact of the cement, and also creating a beneficial use for waste porcelain source material. The disclosure also relates to a method for producing thin-walled composites CA-UHPPC facade panels and elements for building envelopes. 1. A composite ultra-high performance porcelain concrete , comprising:{'sup': '3', 'cement in an amount between 500 and 680 kg/m; and'}{'sup': '3', 'porcelain sand in an amount between 500 and 1200 kg/m.'}2. The concrete of claim 1 , wherein the cement comprises cement particles having an average particle size of less than 90 μm.3. The concrete of claim 1 , wherein the cement has a specific surface area less than 2.0 m/g.4. The concrete of claim 1 , wherein the cement has a Blaine fineness of less than 510 m/kg.5. The concrete of claim 1 , wherein the porcelain sand comprises a recycled porcelain sand.6. The concrete of claim 1 , wherein the porcelain sand has a particle size less than or equal to 1500 μm.7. The concrete of claim 1 , wherein the porcelain sand has a particle size between 180 μm and 1500 μm.8. The concrete of claim 1 , further comprising Nepheline-Syenite filler.9. The concrete of claim 8 , wherein the Nepheline-Syenite filler is present in an amount between 150 and 300 kg/m claim 8 , and has a particle size less than 75 μm.10. The concrete of claim 1 , further comprising Nepheline-Syenite sand.11. The concrete of claim 1 , wherein the Nepheline-Syenite sand is present in an amount between 500 and 1200 kg/m claim 1 , and has a particle size less than 1000 μm.12. The concrete of claim 1 , further comprising a reactive pozzolanic material.13. The concrete of claim 1 , further comprising fibers selected from the group consisting of steel fibers claim 1 ...

Artificial marble production device and artificial marble produced using same

The present invention provides an apparatus for manufacturing artificial marble, which includes a granite soil storage unit configured to supply a granite soil by storing, drying, and heating it, a granite soil heating unit configured to heat the granite soil supplied from the granite soil storage unit, a resin storage unit configured to store a thermoplastic polyurethane (TPU) resin maintained in a solid phase at room temperature, a mixing-transporting unit configured to accommodate the TPU resin and the heated granite soil therein and then melting and mixing them to produce and simultaneously transport an artificial marble slurry, a material guide unit configured to guide the granite soil and the TPU resin into the mixing-transporting unit, a discharge unit configured to discharge the artificial marble slurry mixed in the mixing-transporting unit by a certain amount, a mold supply unit configured to continuously supply a mold for accommodating and molding the artificial marble slurry therein, a mold guide unit configured to guide the mold supplied from the mold supply unit downward of the discharge unit to accommodate the artificial marble slurry in the mold, a forming unit configured to form an artificial marble by applying vibration and pressure to the artificial marble slurry accommodated in the mold, an extraction unit configured to extract the mold accommodating the artificial marble, and a lamination unit configured to laminate and store the mold extracted by the extraction unit.

SPORTS FLOORING AND METHOD FOR PROVIDING A SPORTS FLOORING

The invention relates to a method for providing a sports flooring, in particular a clay court, a sand court or an ash court. The sports flooring comprising a top layer arranged above a dynamic layer. The method comprising 1. Method for providing a sports flooring , in particular a clay court , a sand court or an ash court , the sports flooring comprising a top layer arranged above a dynamic layer , said method comprising 'lava particles and/or limestone particles and/or clinker particles, and microporous zeolite mineral particles, wherein the microporous zeolite mineral particles are present in the amount of 4% to 65% of the total mass of the dynamic layer and wherein the grain size of the microporous zeolite mineral particles is between 0.4 mm and 12 mm, and', 'i. providing a dynamic layer comprising a mixture of'}ii. applying a top layer on top of the dynamic layer.2. The method according to claim 1 , wherein the dynamic layer is provided with a layer thickness of 5 to 13 cm claim 1 , preferably with a layer thickness of 6 to 10 cm.3. The method according to wherein the dynamic sports flooring further comprises a base layer and/or a filter layer claim 1 , wherein the base layer and/or the filter layer are arranged below the dynamic layer.4. The method according to claim 1 , wherein the top layer of the sports flooring comprises a mixture ofat least one material selected from the group consisting of crushed shale, crushed stone, crushed brick, quartz sand and volcanic ash, or a mixture thereof, andmicroporous zeolite mineral particles,wherein the microporous zeolite mineral particles are present in the amount of 5% to 70% of the total mass of the top layer,wherein the grain size of the at least one material selected from the group consisting of crushed shale, crushed stone, crushed brick, quartz sand and volcanic ash is smaller than 3.15 mm, and wherein the grain size of the microporous zeolite mineral particles is between 0.03 mm and 2.2 mm.5. The method according ...

ADJUVANT FOR HYDRAULIC COMPOSITIONS

The invention is mainly directed to an admixture in the form of an aqueous dispersion, comprising: 1. An admixture in the form of an aqueous dispersion , comprising:mineral nanoparticles;an accelerator configured to set hydraulic compositions; anda dispersant polymer,wherein the pH is comprised between 2 and 11 andwherein the mineral nanoparticles are selected from the group consisting of silica, alumina and calcium carbonate nanoparticles, optionally modified.2. The admixture according to claim 1 , wherein the nanoparticles are contained in a sol.3. The admixture according to of claim 1 , wherein the mineral nanoparticles are anionic.4. The admixture according to claim 1 , wherein the setting accelerator is selected from the group consisting of glycerol; an alkaline metal salt claim 1 , an earth-alkaline metal salt or an aluminum salt; an alkanolamine and a combination thereof.5. The admixture according to claim 4 , wherein the setting accelerator is a calcium salt selected from the group consisting of calcium chloride claim 4 , calcium thiocyanate claim 4 , calcium nitrite and calcium nitrate.6. The admixture according to claim 4 , wherein the setting accelerator is an alkanolamine selected from the group consisting of diethanol amine claim 4 , methyldiethanol amine claim 4 , triethanol amine claim 4 , tetrahydroxyethylene ethylene diamine and triisopropanol amine.7. The admixture according to claim 1 , wherein the dispersant polymer is selected from the group consisting of polyalkoxylated polycarboxylic polymers claim 1 , polyalkoxylated polyphosphonate polymers claim 1 , polynaphthalene sulfonates (PNS) or formaldehyde and sulfonated melamin polycondensates (PMS).8. The admixture according to claim 1 , wherein the dispersant polymer is an anionic polymer.10. The admixture according to claim 9 , wherein X is a hydrogen atom or an earth alkaline cation.11. The admixture according to claim 1 , having a pH comprised between 3 and 10.12. A method for preparing an ...

SILICA ENCAPSULATION OF UREOLYTIC BACTERIA FOR SELF-HEALING OF CEMENT-BASED COMPOSITES

One aspect of the present invention is directed to a method of preparing encapsulated ureolytic cells. This method includes blending freeze dried ureolytic cells and an aqueous solution to form a base mixture; mixing the base mixture with a silicate-forming compound to form a blend comprising silica encapsulated ureolytic cells; and freeze drying the silica encapsulated ureolytic cells. The present invention also relates to a method of producing a self-healing concrete. This method comprises providing silica encapsulated freeze-dried ureolytic cells; mixing the silica encapsulated freeze-dried ureolytic cells with cement to form a mixture; and blending the mixture with a calcium salt and a urea solution to form a concrete mixture. Also disclosed are silica encapsulated ureolytic cells, a method of making a concrete form, and a cured concrete product. 1. A method of preparing encapsulated ureolytic cells , said method comprising:blending freeze dried ureolytic cells and an aqueous solution to form a base mixture;mixing the base mixture with a silicate-forming compound to form a blend comprising silica encapsulated ureolytic cells; andfreeze drying the silica encapsulated ureolytic cells.2. The method of claim 1 , wherein the solution contains a base precursor.3. The method of claim 2 , wherein the base precursor is urea.4Sporosacina pateurii, Sporsacina ureae, Bacillus sphaericus, Bacillus pseudofirmus, Bacillus cohniiBacillus alkalinitrilicus.. The method of claim 1 , wherein the ureolytic cells are selected from the group consisting of claim 1 , and5. The method of claim 1 , wherein the silicate-forming compound is an organosilicate compound.6. The method of claim 5 , wherein the organosilicate compound is selected from the group consisting of tetraethyl orthosilicate claim 5 , tetramethyl orthosilicate claim 5 , tetraprophy orthosilicate claim 5 , and tetrabutyl orthosilicate.7. The method of further comprising:washing the mixture andrecovering the encapsulated ...

ARTIFICIAL AGGLOMERATE STONE ARTICLE COMPRISING FELDSPAR GRANULES

The invention relates to the use of feldspar granules with a particular combination of oxide constituents in the manufacture of artificial agglomerate stone materials and to the agglomerate stone materials resulting thereof. 4. Artificial agglomerate stone material according to claim 1 , wherein the sum of the weight percentages of SiO claim 1 , AlO claim 1 , NaO and KO in the feldspar granules is at least 85 wt. % claim 1 , based on the weight of the feldspar granules.5. Artificial agglomerate stone material according to claim 1 , wherein the ratio of weight percent of SiO/AlOin the feldspar granules is 3.2-3.8.6. Artificial agglomerate stone material according to claim 1 , wherein the feldspar granules comprise crystalline silica in a range 0-10.0 wt. % based on the weight of the feldspar granules.7. Artificial agglomerate stone material according to claim 1 , wherein the feldspar granules comprise a crystalline phase in a range 80.0-99.0 wt. % claim 1 , based on the weight of the feldspar granules.8. Artificial agglomerate stone material according to claim 1 , wherein the feldspar granules have a particle size D90 <50 micrometers.9. Artificial agglomerate stone material according to claim 1 , wherein the amount of feldspar granules is from 2 to 70 wt. % based on the weight of the artificial agglomerate stone material.10. Artificial agglomerate stone material according to claim 1 , wherein the crystalline silica content of the artificial agglomerate stone material is ≤15 wt. % claim 1 , relative to the weight of the material.11. Artificial agglomerate stone material according to claim 1 , wherein:the inorganic fillers further comprises inorganic fillers different from the feldspar granules selected from recycled silicate glass granules, silicate frit granules, ceramic granules, and mixture thereof; and/orthe amount of the inorganic fillers is at least 70 wt. % based on the weight of the artificial agglomerate stone material.12. Artificial agglomerate stone ...

WELL CEMENTATION WORKING SOLUTION PREPARED FROM RED MUD, SLAG AND WASTE DRILLING FLUIDS

A well cementation working solution prepared from red mud, slag and waste drilling fluids. The working solution is prepared from the following components in parts by weight: 100 parts of waste drilling fluids, 50-100 parts of slag, 5-50 parts of red mud, 4-7 parts of a suspension stabilizer, 1-7 parts of an activating aid, 0.5-5 parts of an anti-pollution agent and 0.4-3.5 parts of a diluent. The waste drilling fluids are waste waterborne drilling fluids. The slag is blast furnace slag or vanadium-titanium slag. The suspension stabilizer is sodium bentonite, carboxymethyl cellulose or a mixture of sodium bentonite and carboxymethyl cellulose. The activating aid is sodium metasilicate nonahydrate, sodium carbonate or a mixture of sodium metasilicate nonahydrate and sodium carbonate. The anti-pollution agent is sodium salicylate, potassium citrate or a mixture of sodium salicylate and potassium citrate. The diluent is sodium lignin sulfonate. 1. A well cementation working solution prepared from a red mud , a slag and waste drilling fluids , comprising the following components in parts by weight:100 parts of the waste drilling fluids;50-100 parts of the slag;5-50 parts of the red mud;4-7 parts of a suspension stabilizer;1-7 parts of an activating aid;0.5-5 parts of an anti-pollution agent; and0.4-3.5 parts of a diluent.2. The well cementation working solution prepared from the red mud claim 1 , the slag and the waste drilling fluids according to claim 1 , wherein the waste drilling fluids are waste waterborne drilling fluids claim 1 , and the waste waterborne drilling fluids comprise a waterborne drilling fluid suitable for high temperature and high pressure drilling claim 1 , wherein claim 1 , the waterborne drilling fluid has a density ranging from 1.10 g/cmto 2.05 g/cm.3. The well cementation working solution prepared from the red mud claim 1 , the slag and the waste drilling fluids according to claim 1 , wherein the slag is a blast furnace slag or a vanadium- ...

Thermoset ceramic compositions, inorganic polymer coatings, inorganic polymer mold tooling, inorganic polymer hydraulic fracking proppants, methods of preparation and applications therefore

Thermoset ceramic compositions and a method of preparation of such compositions. The compositions are advanced organic/inorganic hybrid composite polymer ceramic alloys. The material combines strength, hardness and high temperature performance of technical ceramics with the strength, ductility, thermal shock resistance, density, and easy processing of the polymer. Consisting of a branched backbone of silicon, alumina, and carbon, the material undergoes sintering at 7 to 300 centigrade for 2 to 94 hours from water at a pH between 0 to 14, humidity of 0 to 100%, with or without vaporous solvents.

CEMENTITIOUS MATERIAL FOR RADIOACTIVE WASTE DISPOSAL FACILITY

The cementitious material for a radioactive waste disposal facility includes base cement, and porous and amorphous silica powder. The amount of the silica powder in the entire cementitious material ranges from 35% to 65% on a mass basis. 1. A cementitious material for a radioactive waste disposal facility comprising:base cement; and porous and amorphous silica powder, whereinthe amount of the silica powder in the entire cementitious material ranges from 35% to 65% on a mass basis.2. The cementitious material for a radioactive waste disposal facility according to claim 1 , whereinthe silica powder contains an alkaline oxide, andthe total alkaline oxide content in the entire silica powder is 4.1% or lower on a mass basis.3. The cementitious material for a radioactive waste disposal facility according to claim 1 , whereinthe silica powder has a silica purity of 93% or higher on a mass basis.4. The cementitious material for a radioactive waste disposal facility according to claim 1 , whereinthe silica powder is made by pulverizing ash of the burnt plant material.5. The cement-based material for a radioactive waste disposal facility according to claim 1 , whereinthe silica powder is ash made by soaking a plant material in an acid solution and then burning the plant material.6. The cementitious material for a radioactive waste disposal facility according to claim 4 , whereinthe plant material is rice husk.7. The cementitious material for a radioactive waste disposal facility according to claim 2 , whereinthe alkaline oxide includes one or more oxides selected from the group consisting of sodium oxide, potassium oxide, calcium oxide, and magnesium oxide.8. The cement-based material for a radioactive waste disposal facility according to claim 1 , whereinthe silica powder has an average particle diameter ranging from 3 μm to 7 μm, andin a particle size distribution of the silica powder, the amount of particles larger than 10 μm is 15% or less in the entire silica powder, and ...

Pavers and block composite materials and methods of preparation thereof

The invention provides novel paving stones and construction block composite materials and methods for preparation thereof. The paving stones and construction block composite materials can be readily produced from widely available, low cost precursor materials by a production process that involves compacting in a mold that is suitable for large-scale production. The precursor materials include calcium silicate, for example, wollastonite, and particulate filler materials which can comprise silicon dioxide-rich materials. Additives can include calcium carbonate-rich and magnesium carbonate-rich materials. Various additives can be used to fine-tune the physical appearance and mechanical properties of the composite material, such as colorants such as particles of colored materials, such as, and pigments (e.g., black iron oxide, cobalt oxide and chromium oxide). These paving stones and construction block composite materials exhibit visual patterns similar to stone as well as display compressive strength and water absorption equal to or better than that of stone.

COMPOSITION FOR PRODUCING AQUEOUS COATING MATERIAL

A composition consisting essentially of (a) 1 to 30% by weight of a 1 to 90% by weight aqueous phosphoric acid and/or a hydrogen phosphate; (b) 1 to 40% by weight of a compound selected from the group of oxides, hydroxides and oxide hydrates of magnesium, calcium, iron, zinc and copper; (c) 40 to 95% by weight of a particulate filler selected from the group of glass; mono-, oligo- and polyphosphates of magnesium, calcium, barium and aluminium; calcium sulphate; barium sulphate; simple and complex silicates; simple and complex aluminates; simple and complex titanates; simple and complex zirconates; zirconium dioxide; titanium dioxide, aluminium oxide; silicon oxide; silicon carbide; aluminium nitride; boron nitride and silicon nitride; (d) 1 to 10% by weight of an urea compound selected from the group consisting of imidazolidine-2-on, allantoin and imidazolidinyl urea; and (e) 0 to 15% by weight of a component differing from (a) to (d). 1. A composition consisting essentially of the parts:(a) 1 to 30% by weight of a 1 to 90% by weight aqueous phosphoric acid and/or at least of one hydrogen phosphate selected from the group consisting of mono- and dihydrogen phosphates of sodium, potassium, ammonium, magnesium, calcium, aluminium, zinc, iron, cobalt and copper,(b) 1 to 40% by weight of at least one compound selected from the group consisting of oxides, hydroxides and oxide hydrates of magnesium, calcium, iron, zinc and copper,(c) 40 to 95% by weight of at least one particulate filler selected from the group consisting of glass; mono-, oligo- and polyphosphates of magnesium, calcium, barium and aluminium; calcium sulphate; barium sulphate; simple and complex silicates comprising sodium, potassium, calcium, aluminium, magnesium, iron and/or zirconium; simple and complex aluminates comprising sodium, potassium, calcium, magnesium and/or zirconium; simple and complex titanates comprising sodium, potassium, calcium, aluminium, magnesium, barium and/or zirconium; simple and ...

PROTECTIVE COATING

A cementitious protective coating material including a mixture of water, one or more of silicon dioxide/sodium silica pozzolans, anhydrous or hydrous sodium or potassium metasilicate; a rheology enhancing admixture; sodium tetraborate, sodium citrate dihydrate, citric acid, or boric acid; and a micro-fiber. 1. A spray , roller , or brush applied corrosion inhibitor coating composition , comprising:at least one activator;at least one cementitious material;at least one set-time retarder;at least one rheology enhancement additive selected from the group consisting of cellulose, carboxymethylcellulose, polyvinyl alcohol, talc, vinyl acetate, vinyl versatate, and methyl ethyl hydroxyethyl cellulose;at least one shrinkage control device;at least one water reducing admixture;at least one from the group consisting of protein material and synthetic protein material; andwater.2. A spray , roller , or brush applied corrosion inhibitor coating composition , comprising:from about 25% to 75% (wt/wt) of equal portions of GGBFS and fly ash;from 7% to 45% (wt/wt) sodium metasilicate;from 0.05% to 5% (wt/wt) of magnesium oxide;from 1% to 15% (wt/wt) sodium tetraborate;from 0.05% to 5% (wt/wt) protein;from 7% to 35% (wt/wt) water; andfrom 0.1% to 2% (wt/wt) of at least one selected from the group consisting of cellulose, carboxymethylcellulose, polyvinyl alcohol, talc, vinyl acetate, vinyl versatate, and methyl ethyl hydroxyethyl cellulose.3. The coating composition of claim 2 , further including:from 1% to 50% (wt/wt) of at least one selected from the group consisting of zeolite, diatomite, silica fume, fumed silica, attapulgite clay, kaolin clay, Portland, and red clay.4. (canceled)5. The coating composition of claim 2 , further including:from 1% to 25% (wt/wt) microfiber of at least one selected from the group consisting of polyethylene, cellulose, aramid, nylon, wollastonite, basalt, and glass.6. The coating composition of claim 2 , wherein the coating is water adjustable to a ...

BUILDING MATERIAL AND METHOD FOR PRODUCING BUILDING MATERIAL

Provided is a building material that is lightweight, exhibits excellent formability, and is inhibited from being damaged during transportation, and a method for producing the same. Specifically, provided is a method for producing a building material, including: a first step of curing a core layer material including a hydraulic material, a silica-containing material, and an aluminum powder, to react the aluminum powder and form bubbles, and incompletely hardening the hydraulic material and the silica-containing material, to form a foamed core layer; a second step of dispersing a surface layer material including a hydraulic material, and a silica-containing material, to form an unfoamed surface layer; a third step of stacking the foamed core layer on the unfoamed surface layer, to form a stack including the unfoamed surface layer and the foamed core layer; and a fourth step of pressing and curing the stack, and a building material produced therewith. 1. A method for producing a building material , comprising:a first step of curing a core layer material including a hydraulic material, a silica-containing material, and an aluminum powder to form a foamed core layer, the aluminum powder reacting and forming bubbles, and the hydraulic material and the silica-containing material being incompletely hardened;a second step of dispersing a surface layer material including a hydraulic material, and a silica-containing material, to form an unfoamed surface layer;a third step of stacking the foamed core layer onto the unfoamed surface layer, to form a stack including the unfoamed surface layer and the foamed core layer; anda fourth step of pressing and curing the stack.2. The method for producing a building material according to claim 1 , wherein claim 1 ,in the second step, the surface layer material is dispersed on a template having a pattern including projections and recesses punched from back.3. The method for producing a building material according to claim 2 , wherein claim ...

ULTRA-FAST SETTING CEMENT BASED ON AMORPHOUS CALCIUM ALUMINATE

The present invention relates to an ultra-fast setting cement composition containing at least amorphous calcium aluminate including by weight, as compared to amorphous calcium aluminate total weight: 113-. (cancelled)14. An ultra-fast setting cement composition comprising at least amorphous calcium aluminate comprising by weight , as compared to amorphous calcium aluminate total weight (a) from 35 to 55% of calcium oxide CaO (C) , (b) from 19 to 55% of alumina AlO(A) , the C/A molar ratio being higher than or equal to 1.5 , wherein amorphous calcium aluminate is coated with a surface treatment comprising an organic compound having at least two hydrophilic functions and one hydrophobic chain.15. A cement composition according to claim 14 , wherein the C/A molar ratio is higher than or equal to 1.7.16. A cement composition according to claim 14 , wherein the weight concentration of this organic compound within the cement composition ranges from 0.025% to 5% by weight claim 14 , as compared to the cement composition weight.17. A cement composition according to claim 16 , wherein the weight concentration of this organic compound within the cement composition ranges from 0.05% to 2.5% claim 16 , by weight claim 16 , as compared to the cement composition weight.18. A cement composition according to claim 14 , wherein the organic compound is a compound comprising at least two acid claim 14 , acid halide or acid anhydride functions.19. A cement composition according to claim 14 , wherein the organic compound is a compound comprising one aliphatic claim 14 , arylaliphatic claim 14 , aromatic claim 14 , or alkylaromatic hydrophobic chain.20. A cement composition according to claim 19 , wherein said hydrophobic chain comprises 2 to 13 carbon atoms.21. A cement composition according to claim 14 , wherein the organic compound is chosen from the group composed of succinic claim 14 , sebacic claim 14 , adipic claim 14 , octanedioic claim 14 , decanedioic claim 14 , dodecanedioic ...

PROCESS FOR THE PREPARATION OF CEMEMT, MORTARS, CONCRETE COMPOSITIONS CONTAINING A CALCIUM CARBONATE - BASED FILLER TREATED WITH AN ULTRAFINE FILLER AND A SUPERPLASTIFIER, COMPOSITIONS AND CEMENT PRODUCTS OBTAINED AND THEIR APPLICATIONS

Process for the preparation of cement/mortar/concrete compositions or systems, (for simplicity hereafter “cement” compositions or systems or even “cements”), of a generally known type containing low or medium (standard) “filler(s)”, and/or optionally HP filler(s), as carbonate-based filler(s), namely coarse low or medium calcium carbonate(s), namely coarse marble(s); Product comprising, or consisting of, the pre-blend (A) of coarse, low or medium (or optionally HP) “calcium carbonate-based filler” pre-blended with at least an UF; Aqueous compositions (B) obtained by mixing the above pre-blend (A) of coarse filler(s) with UF(s) with an aqueous system such as mix water, aqueous mix fluid; Product (C) consisting of, or comprising, the pre-blend (A) or the compositions (B), treated or pretreated with at least one superplastifier or aqueous system containing superplastifier(s); Cement and Use of cement. 1. Process for the preparation of cement/mortar/concrete compositions or systems , (for simplicity hereafter “cement” compositions or systems or even “cements”) , of a generally known type containing low or medium (standard) “filler(s)” , and/or optionally HP filler(s) , as carbonate-based filler(s) , namely coarse low or medium calcium carbonate(s) , namely coarse marble(s) , characterized in that it comprises or consists in:at least one first step where the said low or medium (and/or optionally HP) “fillers” is/are treated with an efficient treating amount of at least one ultrafine filler (UF), what forms the “fillers pre-blend”, andat least one subsequent or second step where the resulting “fillers pre-blend” is treated with a treating agent consisting of or comprising at least a superplastifier.2. Process according to characterized in that the said two steps are separated by additions of routine claim 1 , inert additives.3. Process according to characterized in that each treatment step with an UF or the superplastifier may be fractionated.4. Process according to ...

WATERFASTNESS, SMEARFASTNESS, WEAR RESISTANCE, TOUGHNESS AND OVERALL MATERIAL DURABILITY ENHANCING NANO ADDITIVE

Certain exemplary embodiments can provide a durability enhancing nano additive. The nano additive can comprise a silica/acid composite. The silica/acid composite can be in a wet dispersion. The silica/acid composite can have an average particle size in the range between approximately 5 nanometers and 10 nanometers. The silica/acid composite can have an opaque or translucent white appearance. 1. A durability enhancing nano additive comprising: an average particle size in a range between approximately 5 nanometers and 10 nanometers;', {'sup': '2', 'a specific surface area greater than 443 m/g;'}, 'Si content greater than 96% by weight; and', 'an opaque or translucent white appearance; and, 'a silica/acid composite, said silica/acid composite in a wet dispersion, said silica/acid composite havingwherein durability of an article comprising said silica/acid composite is improved in a resistance to at least one of cracking, wear, or a resistance to solubility in a solvent as compared to said article without said silica/acid composite.2. The durability enhancing nano additive of claim 1 , wherein:{'sub': 1', '2', '2', '1', '2, 'said silica/acid composite comprises at least one functional group selected from —OH, —SH, —NRR, —NO, where Rand Rare selected from one of the following: H, alkyl, aryl, alkylene, arylene with or without substituent groups.'}3. The durability enhancing nano additive of claim 1 , wherein:said article has improved toughness as compared to said article without said silica/acid composite.4. The durability enhancing nano additive of claim 1 , wherein:said article has improved wear resistance as compared to said article without said silica/acid composite.5. The durability enhancing nano additive of claim 1 , wherein:said article has improved chemical stability against dissolution via a solvent as compared to said article without said silica/acid composite.6. The durability enhancing nano additive of claim 1 , wherein:said article is a product of a rubber ...

HIGH DENSITY CEMENT FORMULATION TO PREVENT GAS MIGRATION PROBLEMS

The invention provides a high density cement composition for preventing gas migration. The composition includes a silica sand component, a silica flour component, a hematite component, a manganese tetraoxide component, and an expansion additive component. 1. A high density cement composition for preventing gas migration , the composition comprising:a silica sand component;a silica flour component;a hematite component;a manganese tetraoxide component; andan expansion additive component.2. The high density cement composition of where the silica sand component has an average particle size in a range of from 100 microns to 200 microns.3. The high density cement composition of where the silica sand component has an average particle size of 100 microns.4. The high density cement composition of where the composition has a density of 170 pounds per cubic foot (pcf).5. The high density cement composition of where the composition has a density of at least 170 pcf.6. The high density cement composition of where the composition has a density in a range of from 130 pcf to 180 pcf.7. The high density cement composition of where the silica flour component has an average particle size of 15 microns.8. The high density cement composition of where the hematite component has a specific gravity of 4.95.9. The high density cement composition of where the hematite component has a mean particle size distribution of 45 microns.10. The high density cement composition of where the manganese tetraoxide component has an average particle size of 5 microns.11. The high density cement composition of where the expansion additive component is selected from the group consisting of a zinc powder claim 1 , a magnesium powder claim 1 , an iron powder claim 1 , an aluminum powder or combinations thereof.12. The high density cement composition of where the expansion additive component is a calcined magnesium oxide.13. The high density cement composition of further comprising a retarder component.14. The ...

STRUVITE-K/SYNGENITE BUILDING COMPOSITIONS COMPRISING SILICATE MATERIALS AND BUILDING ARTICLES SUCH AS WALLBOARDS MADE THEREFROM

The present disclosure relates generally to building materials, such as building boards, having improved strength and reduced shrinkage. More particularly, the present disclosure provides building compositions comprising Struvite-K (KMgPO⋅6 HO), Syngenite (KCa(SO)⋅HO), and one or more silicate additives suitable for use in building materials. 1. A building composition , comprising{'sub': 4', '2, 'Struvite-K (KMgPO⋅6 HO);'}{'sub': 2', '4', '2', '2, 'Syngenite (KCa(SO)⋅HO); and'}one or more silicate additives.2. The building composition of claim 1 , wherein Struvite-K is present in an amount of about 10 wt % to about 50 wt % claim 1 , and Syngenite is present in an amount in the range of about 10 wt % to about 50 wt %.3. The building composition of claim 1 , wherein the silicate additive has at least 75 mol % oxide of silicon on a semimetal/metal atomic basis.4. The building composition of claim 1 , wherein the one or more silicate additives comprises a silica material.5. The building composition of claim 1 , wherein the one or more silicate additives comprises diatomaceous earth.6. The building composition of claim 1 , wherein the one or more silicate additives comprises wollastonite.7. The building composition of claim 1 , wherein the one or more silicate additives comprises fly ash.8. The building composition of claim 1 , wherein the one or more silicate additives comprises an alkali silicate and/or an alkaline earth silicate.9. The building composition of claim 1 , wherein the one or more silicate additives comprises silicic acid.10. The building composition of claim 1 , wherein the one or more silicate additives comprises glass or ceramic in the form of fibers or platelets.11. The building composition of claim 1 , wherein the one or more silicate additives comprises glass or ceramic bubbles.12. The building composition of wherein the one or more silicate additives are present in an amount of about 0.1% to about 10% by weight of the total dry weight of the ...

Coating compositions for roofing granules, dark colored roofing granules with increased solar heat reflectance, solar heat-reflective shingles and process for producing the same

Dark colored roofing granules include an inert base particle coated with a composition including a metal silicate, a non-clay latent heat reactant, and a dark colored but solar reflective pigment.

Process for the Preparation of Cement, Mortars, Concrete Compositions Containing a Calcium Carbonate - Based Filler Treated with an Ultrafine Filler and a Superplasticizer, Compositions and Cement Products Obtained and Their Applications

PROCESS for the preparation of cement/mortar/concrete compositions or systems, (for simplicity hereafter “cement” compositions or systems or even “cements”), of a generally known type containing low or medium (standard) “filler(s)”, and/or optionally HP filler(s), as carbonate-based filler(s), namely coarse low or medium calcium carbonate(s), namely coarse marble(s); Product comprising, or consisting of, the pre-blend (A) of coarse, low or medium (or optionally HP) “calcium carbonate-based filler” pre-blended with at least an UF; Aqueous compositions (B) obtained by mixing the above pre-blend (A) of coarse filler(s) with UF(s) with an aqueous system such as mix water, aqueous mix fluid; Product (C) consisting of, or comprising, the pre-blend (A) or the compositions (B), treated or pretreated with at least one superplastifier or aqueous system containing superplastifier(s); Cement and Use of cement. 1. A product comprising a blend of a course calcium carbonate-comprising filler and an ultrafine filler , wherein the blend is treated with at least one treating agent comprising at least one superplastifier.2. The product according to claim 1 , wherein the calcium carbonate-comprising filler is ground natural calcium carbonate claim 1 , precipitated calcium carbonate claim 1 , modified calcium carbonate claim 1 , or any mixture thereof.3. The product according to claim 1 , wherein the course calcium carbonate-comprising filler has particles having a d>6 microns.4. The product according to claim 1 , wherein the course calcium carbonate-comprising filler is selected from the group consisting of (i) calcium carbonate having a dof 7 to 9 microns and a Blaine of 462 to 690 m/g claim 1 , (ii) calcium carbonate having dof 10.4 to 10.8 claim 1 , and (iii) calcium carbonate having a dof 18 microns and a Blaine of about 365 m/g.5. The product according to claim 1 , wherein the ultrafine filler has a dfrom 1 to 6 microns and a Blaine of greater than 1000 m/kg.6. The product ...

Seawater resistant grout material composition and method for constructing offshore wind turbine structure using same

The present invention provides a seawater resistant grout material composition and a method for constructing an offshore wind turbine structure using the same, the seawater resistant grout material composition comprising: 2˜10 wt % of high strength admixture; 25˜35 wt % of type I Portland cement; 30˜45 wt % of silica sand having a particle size of 30˜60 mesh; 5˜15 wt % of silica sand having a particle size of 60˜100 mesh; and 5˜10 wt % of silica sand having a particle size of 100˜200 mesh, wherein the high strength admixture is obtained by mixing and pulverizing 45˜99 wt % of slag and 1˜55 wt % of anhydrite, thus the present invention has excellent seawater resistance, excellent strength development characteristics at a low temperature, and increased compressive strength and durability to allow withstanding cyclic loads due to wind and wave pressure.

Cement

The present disclosure relates to a cementious composition (e.g. for mounting a strain gauge within a gas turbine engine) comprising: part A comprising an acidic solution of a metal salt; part B comprising silica and one or more metal oxides; and part C comprising colloidal silica and/or a silicate solution. Part A may comprise an acidic aluminium phosphate solution. Part B may comprise one or more or all of titanium oxide, chromium oxide, alumina and barium oxide

Advanced fiber reinforced concrete mix designs and admixtures systems

A concrete mix having sand, fine aggregates, binder, fibers, and various admixtures is provided. The mix has a consistency from S2 to SF3, a compressive strength in the range of 30-80 MPa and a ductility represented by fc, ffl, fR1 and fR3 values, wherein the concrete mix contains at least 390 Kg of binder, the concrete mix has a paste volume of 300-600 liters, the concrete mix contains at least two systems of fibers and a general admixture system that is composed of at least 2 sub-admixture systems.

UNITIZED FORMED CONSTRUCTION MATERIALS AND METHODS FOR MAKING SAME

A method of manufacturing unitized formed mineral-based construction materials includes providing starting materials that include an aggregate, a cementing agent and water. The starting materials are mixed to achieve a mixture of the starting materials which is then placed into a form and cured to allow the mixture of starting materials to become a solidified unit. The solidified unit of the mixture of starting materials is defined by a minimum dimension of thickness, length, and/or diameter. The solidified unit of the mixture of starting materials is placed into a kiln which is then heated to a processing temperature of between about 1000° C. and about 1350° C. and maintained for a period of time of between about 10 minutes and about 60 minutes per centimeter of the minimum dimension of the solidified unit of the mixture of starting materials. 1. A method for manufacturing unitized formed mineral-based construction materials , comprising:providing starting materials comprising an aggregate, a cementing agent and water;mixing the starting materials with one another to achieve a mixture of the starting materials;placing the mixture of the starting materials into a form;curing the mixture of starting materials in the form for a period of time selected to allow the mixture of starting materials to become a solidified unit of the mixture of starting materials, the consolidated unit of the mixture of starting materials being defined by a minimum dimension of thickness, length, and one of width or diameter;placing the solidified unit of the mixture of starting materials into a kiln;heating the kiln containing the solidified unit of the mixture of starting materials to a processing temperature of between about 1000° C. and about 1350° C. and maintaining the kiln at the processing temperature for a period of time of between about 10 minutes and about 60 minutes per centimeter of the minimum dimension of the consolidated unit of the mixture of starting materials; andremoving ...

METHOD OF PRODUCING A COMPOSITE MATERIAL USING A MIXING SYSTEM

A method produces a composite material using a mixing system. The composite material comprises at least one aggregate, e.g. rock and/or glass, and the reaction product of a two-component polymeric binder composition comprising a first component, e.g. an isocyanate component, and a second component, e.g. an isocyanate-reactive component. The mixing system includes a mixing apparatus. The method includes the step of providing the aggregate, the first component and the second component into the mixing apparatus. The method further includes the step of mixing the first and second components to produce the reaction product of the two-component polymeric binder composition, and the step of applying the reaction product of the two-component polymeric binder composition to the aggregate within the mixing apparatus to produce the composite material. The composite material can be used for forming a paved structure, such as a sidewalk or a roadway. 1. A method of producing a composite material using a mixing system , the composite material comprising at least one aggregate and a reaction product of a two-component polymeric binder composition comprising a first component and a second component , the mixing system including an aggregate vessel for holding the aggregate , a first vessel for holding the first component , a second vessel for holding the second component independent from the first component , and a mixing apparatus in communication with the aggregate vessel , the first vessel , and the second vessel , the method comprising the steps of:providing the aggregate into the mixing apparatus at a delivery rate;providing the first and second components into the mixing apparatus;mixing the first and second components with the mixing apparatus to produce the reaction product of the two-component polymeric binder composition; andapplying the reaction product of the two-component polymeric binder composition to the aggregate within the mixing apparatus at an application rate ...

Progressive Bubble Generating System Used in Making Cementitious Foam

A process for producing insulating foam, wherein certain especially small inorganic minerals such as silica fume are directly integrated into bubble fluid to better mechanically strengthen bubbles formed and thus allow the formation of smaller bubbles to be reformed by mechanical means. In this process where these same bubbles are now in some part composed of inorganic solids. A process whereby these minerals are maintained as to their median size and dispersion within the bubble fluid by the following; rotor stator mixing and or a recirculating pump, the inclusion within exotherming calcium-chloride salt, the use of other physical exciters such as hydrogen-peroxide, and by straining out outliers of unwanted size or form. The above mentioned mechanical means is a progressive reforming of bubbles and actualized by a glass bead chamber, a second stage consisting of two screened discs, separated from each other and located at the end of the glass bead chamber, and a third stage chamber presenting itself with a considerably enlarged screen area and having considerably finer meshes than the second stage. This process in its execution results in stronger, smaller and denser bubbles; whereupon when complete hydration has occurred, leaves the smaller solids in their placement within the now open cell structure, and in combination with applied cement from a separate process line, the cured cement foam has a significant registered improvement of insulating qualities as measured by certified R-value tests. 1. A system for manufacturing and distributing a cementitious foam , comprising:a. a source of bubble fluid;b. a source of compressed air;c. a source of cement; and i. an upstream end and a downstream end;', 'ii. a first elongated chamber of a first diameter and in which a plurality of bubble forming media are contained and that extends between a first end portion positioned adjacent to said upstream end, and an opposite second end portion;', 'iii. first and second conduit ...

COMPOSITION AND METHOD FOR MAKING SELF ADHERING CONCRETE AND SYNTHETIC SEDIMENTARY ROCK FROM CEMENTITIOUS MATERIALS

A cementitious material made from industry accepted precursor materials that will adhere to existing concrete or rock has several exploitable features beyond adhesion. The primary motivation for the invention was a self-adhering thin overlay of quality better or equal to the parent concrete floors is now possible. Structural repair of concrete is possible. There are a range of compositions and exploitable features than can be used to give the product flexibility across many concrete repair applications. This resulting material can demonstrate the low permeability and high strength closer to natural stone materials such as quartz and dolomite rocks than to concrete but intermediate compositions are technically viable as well. The material can be used for high quality precasts. 1) A fundamental method of adhering manmade cement based material to existing silicate , carbonate or manmade concrete material as using varied compositions as outlined in the preferred embodiments.2) A wide range of engineered applications are available based on the range of preferred embodiments and testing3) Intermediate Bond layers for adhesion of conventional concrete may be engineered4) Interpass layers between partially cured concrete pours on new construction would result in seamless extension of poured structures5) The bond layer adhesion may be engineered to a range from simple chemical products such as magnesium carbonate or may be fully developed into synthetic mineral bond6) The long range order of the crystal structures of a mineral bond can pass across an interface.7) The manmade material can be applied to form technology to make bulk repairs or alterations to concrete8) A fundamental method of creating an array of manmade based materials from industry approved concrete raw materials to create a novel variety of high strength , low permeability materials with the characteristics of a synthetic sedimentary rock has been created using materials outlined in preferred embodiments and ...

METHOD OF PRODUCING CONCRETE FROM WASTE MATERIAL AND WASTE-BASED CONCRETE MADE USING SAID METHOD

The invention: a procedure to manufacture recycled waste concrete, and the recycled waste concrete itself, which is produced through a simple processing of various types of waste and is suitable for serving as a material to manufacture concrete products widely used in the construction industry, where such products include road bases, strip foundations, bases of houses, noise barriers, traffic barriers for highways/roads, lane separators, sandwich panels, to fill formwork and even, depending on the type of waste used, to build walls. The recycled waste concrete contains cement, water and shredded waste aggregates, such as shredded tyres and/or any shredded plastic waste, and/or any shredded scrap metal, and/or any shredded garden waste, and/or shredded mixed waste, and/or shredded fibre waste, and/or any shredded glass waste, and/or shredded and effectively neutralised municipal waste. As organic binding agent it contains homo-, co- and terpolymers, which can be dissolved and/or dispersed in water and do not contain or produce environmentally hazardous, volatile, organic hydrocarbons, and such polymers are made, for instance, by using vinyl chloride, vinyl esters of saturated, unsaturated and aromatic organic acids, vinyl butyral, ethylene, esters of acrylic acid, styrene, alkyl isocyanates, silanes and siloxanes, which may contain polyvinyl alcohols and/or cellulose ethers and/or other protective colloids. The invention is characterised by being produced by simply mixing the ingredients in the proportions given as listed below: 20-50 volume percent cement, 0.3-10 volume percent organic polymer binding agent, 8-30 volume percent water, and 50-100 volume percent shredded waste aggregate. 1. Procedure for manufacturing recycled waste concrete defined as mixing cement , water , coarse shredded waste types such as shredded tyres and/or shredded plastic waste , and/or shredded scrap metal , and/or shredded garden waste , and/or shredded mixed waste , and/or cut fibre ...

CONCRETE COMPOSITION AND MAKING METHOD

A concrete composition is obtained by dry mixing cement and an aggregate, adding thereto a water dispersion which is preformed by dispersing a low substituted hydroxypropyl cellulose having a hydroxypropoxy substitution of 5-16 wt % in the form of fibrous particles having an aspect ratio of 4-7 in water, and mixing the ingredients. Because of reduced drying shrinkage, only a little drop of fluidity, and proper flow, the concrete composition is useful to form concrete buildings having frost damage resistance. 1. A concrete composition comprising , in admixture , a water dispersion of a low substituted hydroxypropyl cellulose having a hydroxypropoxy substitution of 5 to 16% by weight in the form of fibrous particles having an aspect ratio of 4 to 7 , cement , and an aggregate.2. The composition of wherein the low substituted hydroxypropyl cellulose has an average particle size of 40 to 100 μm and a 90% cumulative particle size of 130 to 250 μm as measured by laser diffractometry.3. The composition of wherein the water dispersion contains the low substituted hydroxypropyl cellulose in a concentration of 0.01 to 20% by weight.4. The composition of wherein the low substituted hydroxypropyl cellulose is added in an amount of 0.01 to 10% by weight based on the unit cement content.5. The composition of claim 1 , further comprising at least one water-reducing agent selected from lignin claim 1 , polycarboxylate claim 1 , and melamine-based water-reducing agents.6. The composition of claim 1 , further comprising a surfactant containing at least a higher alcohol and a fatty acid ester.7. The composition of claim 1 , further comprising an air-entraining agent.8. A method for preparing a concrete composition claim 1 , comprising the steps of dry mixing cement and an aggregate claim 1 , adding a water dispersion to the dry mix claim 1 , the water dispersion being preformed by dispersing a low substituted hydroxypropyl cellulose having a hydroxypropoxy substitution of 5 to 16% by ...

ADDITION FOR PRODUCING THERMALLY CONDUCTIVE MORTARS AND STRUCTURAL CONCRETE

The invention relates to an addition for producing thermally conductive mortars and structural concrete, said addition being a specific powdery formulation in each case, which, when added as an addition to a conventional concrete or mortar, allows the production of a structural concrete or mortar with improved thermal characteristics (thermal conductivity λ). If the addition is added to a conventional concrete in a plant, a structural concrete with increased thermal conductivities is produced, which can adapt to the thermal requirements of the building, thereby being highly suitable for the heat activation of structures or the geothermal activation of foundations. The concrete containing the addition takes on special rheological characteristics which, inter alia, allows a self-compacting concrete to be produced. If the addition is added to a conventional mortar in a mixer, a mortar is produced with very high thermal conductivities which make it highly suitable for geothermal probes. 1. An additive for thermally conductive structural concretes and conductive mortars , characterized in that it contains between three and six components depending on its application , selected from the following components:Fine aggregate (calcareous or siliceous) with a grain size of less than 4 mm, in a proportion comprised between 0% and 95% of total weight.Fine aggregates (calcareous or siliceous) with a grain size of less than 0.064 mm, in a proportion comprised between 0% and 95% of total weight.Polycarboxylate ether superplasticizer type powder additive or derivatives thereof in a proportion comprised between 0% and 15% of total weight.Cellulose ether or biopolymer type viscosity modulator or derivatives thereof in a proportion comprised between 0% and 10% of total weight.Natural or synthetic graphite with high thermal conductivity in a proportion comprised between 0% to 45% of total weight.Graphene and/or carbon nanotubes (nanomaterials) to obtain the high thermal conductivity ...

DENTAL HYDRAULIC CEMENT COMPRISING ULTRAFINE CALCIUM SILICATE PARTICLES HAVING FAST HARDENING AND SUITABLE MECHANICAL PROPERTIES

A dental restoration material made from a dental hydraulic cement that includes ultrafine calcium silicate (UCS) particles, in the presence of a limited amount of water, so that the hydraulic cement fast hardens while providing a material having suitable mechanical properties for dental restoration, and especially a high compressive strength. 114.-. (canceled)16. The kit according to claim 15 , wherein the calcium silicate is selected from tricalcium silicate (C3S) claim 15 , dicalcium silicate (C2S) and any combinations thereof.17. The kit according to claim 15 , wherein the powder phase comprises a Portland cement and/or mineral trioxide aggregates (MTA) claim 15 , as ultrafine calcium silicate particles.18. The kit according to claim 15 , wherein the powder phase further comprises non-ultrafine particles of calcium silicate.19. The kit according to claim 15 , wherein the amount of ultrafine calcium silicate particles ranges from 10% to 100% by weight to the total weight of calcium silicate present in the powder phase.20. The kit according to claim 15 , wherein the radiopacifier is selected from zirconium oxide claim 15 , bismuth oxide claim 15 , cerium oxide claim 15 , barium sulphate claim 15 , calcium tungstate claim 15 , titanate dioxide claim 15 , ytterbium oxide and mixtures thereof.21. The kit according to claim 15 , wherein the powder phase comprises one or more additive claim 15 , wherein the additive is selected from setting accelerators; and pigments.22. The kit according to claim 15 , wherein the powder phase comprises: [{'sup': '2', 'a specific area, measured by BET technique, ranging from 3 to 11 m/g;'}, {'sub': '10', 'a dsize ranging from 0.4 μm to 0.8 μm;'}, {'sub': '50', 'a dsize ranging from 0.7 μm to 2.9 μm; and'}, {'sub': '90', 'a dsize ranging from 1.3 μm to 7 μm;'}, {'sub': 10', '50', '90, 'wherein the d, dand dsizes are measured by laser diffraction;'}], 'from 20% to 60% in weight of the total weight of the powder phase of ultrafine ...

ULTRA-HIGH PERFORMANCE NON-SELF-CONSOLIDATING CONCRETE

A hydraulic binder includes in mass percent from 20 to 82% of a Portland cement the particles of which have a Dcomprised from 2 μm to 11 μm; from 15 to 56% of a non-pozzolanic mineral addition A1, the particles of which have a Dfrom 1 to 150 μm and selected from among limestone additions, siliceous additions, siliceous limestone mineral additions, calcined shales, zeolites, burnt plant ashes, and mixtures thereof; from 4 to 30% of pozzolanic mineral addition A2, the particles of which have a Dfrom 1 to 150 μm; a sum of the percentages of the Portland cement, the non-pozzolanic mineral addition A1 and the pozzolanic mineral addition A2 being comprised from 90 to 100%. 1. A hydraulic binder comprising in mass percent:{'sub': '50', 'from 20 to 82% of a Portland cement the particles of which have a Dcomprised from 2 μm to 11 μm;'}{'sub': '50', 'from 15 to 56% of a non-pozzolanic mineral addition A1, the particles of which have a Dcomprised from 1 to 150 μm and selected from among limestone additions, siliceous additions, siliceous limestone mineral additions, calcined shales, zeolites, burnt plant ashes, and mixtures thereof;'}{'sub': '50', 'from 4 to 30% of pozzolanic mineral addition A2, the particles of which have a Dcomprised from 1 to 150 μm;'}a sum of the percentages of the Portland cement, the non-pozzolanic mineral addition A1 and the pozzolanic mineral addition A2 being comprised from 90 to 100%.2. The hydraulic binder according to claim 1 , wherein the cement is a CEM I cement.3. The hydraulic binder according to claim 1 , further comprising calcium sulfate.4. The hydraulic binder according to claim 1 , wherein the mineral addition A2 is selected from among silica fume claim 1 , micro-silica claim 1 , pozzolanic materials claim 1 , metakaolin claim 1 , slags claim 1 , optionally milled claim 1 , or mixtures thereof.5. The hydraulic binder according to claim 1 , wherein the particles of the cement have a Dcomprised from 8 μm to 40 μm.6. A mixture comprising in ...

PRODUCTION OF SUPPLEMENTARY CEMENTITIOUS MATERIALS THROUGH WET CARBONATION METHOD

A method of making a supplementary cementitious material is described that includes: forming a slurry comprising water and a carbonatable material powder, wherein a weight ratio of water to the carbonatable material powder is at least 1; and flowing a gas comprising carbon dioxide into the slurry for 0.5 to 24 hours while maintaining the slurry at a temperature of 1° C. to 99° C. to form a carbonated slurry comprising CaCOand amorphous silica. A method of forming cement or concrete using the supplemental cementitious material is also described. 1. A method of making a supplementary cementitious material comprising:forming a slurry comprising water and a carbonatable material powder, wherein a weight ratio of water to the carbonatable material powder in the slurry is at least 1; and{'sub': '3', 'flowing a gas comprising carbon dioxide into the slurry for 0.5 to 24 hours while maintaining the slurry at a temperature of 1° C. to 99° C. to form a carbonated slurry comprising CaCOand amorphous silica.'}2. The method of claim 1 , wherein the carbonatable material powder includes at least one synthetic formulation having the general formula MMeO claim 1 , MMe(OH) claim 1 , MMeO(OH)or MMeO(OH)·(HO) claim 1 , wherein M is at least one metal that can react to form a carbonate and Me is at least one element that can form an oxide during the carbonation reaction.3. The method of claim 2 , wherein M is calcium and/or magnesium.4. The method of claim 3 , wherein Me is silicon claim 3 , titanium claim 3 , aluminum claim 3 , phosphorus claim 3 , vanadium claim 3 , tungsten claim 3 , molybdenum claim 3 , gallium claim 3 , manganese claim 3 , zirconium claim 3 , germanium claim 3 , copper claim 3 , niobium claim 3 , cobalt claim 3 , lead claim 3 , iron claim 3 , indium claim 3 , arsenic claim 3 , sulfur and/or tantalum.5. The method of claim 4 , wherein Me is silicon.6. The method of claim 2 , wherein a ratio of a:b is about 2.5:1 to about 0.167:1 claim 2 , c is 3 or greater claim 2 ...

Foamed Treatment Fluids for Lost Circulation Control

Compositions for foamed treatment fluids are disclosed. The foamed treatment fluid may comprise a cement, a viscosifying agent, a thixotropic additive, a foaming surfactant, a gas, and water. The foaming surfactant may comprise a polyethylene glycol alkyl ether (C-C), sulfate ammonium salt. 2. The foamed treatment fluid of claim 16 , wherein the foamed treatment fluid has a 10-second static gel strength of at least about 15 lbf/100 ftat downhole temperature and atmospheric pressure claim 16 , and a 10-minute static gel strength of at least about 70 lbf/100 ftat least about 15 lbf/100 ftat downhole temperature and atmospheric.3. The foamed treatment fluid of :wherein the cement comprises at least one cementitious material selected from the group consisting of a Portland cement, pozzolanic cement, gypsum cement, high alumina content cement, slag cement, a Sorel cement, and combinations thereof;wherein the cement further comprises a pozzolan cement that comprises at least one silica source selected from the group consisting of fly ash, slag, silica fume, fumed silica, crystalline silica, silica flour, cement kiln dust, volcanic rock, perlite, metakaolin, diatomaceous earth, zeolite, shale, agricultural waste ash, and combinations thereof,wherein the viscosifying agent comprises a synthetic clay; andwherein the thixotropic additive comprises at least one component selected from the group consisting of a finely divided, high surface-area silica, fumed silica, sodium silicate, potassium silicate, silicic acid, colloidal silicic acid, and combinations thereof.4. The foamed treatment fluid of claim 16 , wherein the cement comprises a Portland cement claim 16 , wherein the cement further comprises a pozzolan cement that comprises silica fume claim 16 , wherein the viscosifying agent comprises a synthetic clay claim 16 , and wherein the thixotropic additive comprises a sodium silicate.5. The foamed treatment fluid of claim 16 , wherein the foamed treatment fluid has a density ...

GEOPOLYMER AGGREGATES

A composition including porous aggregates. The porous aggregates include alumino silicate nanoparticles. The alumino silicate nanoparticles have an average particle size between about 5 nm and about 60 nm, and a majority of the porous aggregates have a particle size between about 50 nm and about 1 μm. In addition, a majority of the pores between the aluminosilicate nanoparticles in the porous geopolymer aggregates have a pore width between about 2 nm and about 100 nm. 1. A composition comprising:porous aggregates comprising aluminosilicate nanoparticles, wherein:an average particle size of the aluminosilicate nanoparticles is between about 5 nm and about 60 nm,a majority of the porous aggregates have a particle size between about 50 nm and about 1 μm, anda majority of the pores between the aluminosilicate nanoparticles in the porous aggregates have a pore width between about 2 nm and about 100 nm.2. The composition of claim 1 , wherein the mesopore volume of the porous aggregates is at least about 0.05 cc/g on the BJH cumulative pore volume from the desorption branch of the Nsorption isotherm claim 1 , wherein the mesopore volume is the total pore volume of the pores having a pore width from about 2 to about 50 nm.3. The composition of claim 1 , wherein the mesopore volume of the porous aggregates contributes at least about 50% of the total pore volume of the aggregates from the pores having a pore width between about 2 nm and about 100 nm based on the BJH cumulative pore volume from the desorption branch of the Nsorption isotherm.4. The composition of claim 1 , wherein the specific external surface area of the porous aggregates is between about 10 m/g and about 300 m/g claim 1 , wherein the specific external surface area of the porous aggregates is the total specific surface area minus the specific micropore surface area.5. The composition claim 1 , wherein the specific micropore surface area of the porous aggregates is between about 100 m/g and about 700 m/g and ...

Enhanced Adhesive Drywall Finish and Joint Compound and Method of Use

The present invention relates to an improved drywall finish and joint compound comprised of a mixture of fractured aluminum oxide, glass bead, calcium sulfate, calcium carbonate, magnesium aluminum phyllosilicate, aluminum silicate hydroxide, polyvinyl acetate, polyvinyl alcohol, metamorphic mineral, sodium bicarbonate, silicon and aluminides, talc, kaolin, and metal oxide. The improved drywall finish and joint compound is capable of adhering to drywall, wood, concrete, brick, stone, steel and other surfaces, and can be applied using a conventional trowel or similar device, cures quickly, and eliminates the need for taping and bedding. The compound saves extensive time and labor when installing, repairing or working with drywall. 1. A drywall finishing compound comprising:a fractured aluminum oxide;a calcium sulfate;a calcium carbonate;a glass bead;a magnesium aluminum phyllosilicate;an aluminum silicate hydroxide;a polyvinyl acetate;a polyvinyl alcohol;a sodium bicarbonate;a polymer bonder;a talc;an kaolin;a metamorphic mineral;a metal oxide;a silicon; andan aluminide.2. The drywall finishing compound of claim 1 , wherein:the fractured aluminum oxide comprises 10-12 weight percent of the drywall finishing compound;the calcium sulfate comprises approximately 2 weight percent;the calcium carbonate comprises approximately 2 weight percent;the magnesium aluminum phyllosilicate comprises approximately 2 weight percent;the aluminum silicate hydroxide comprises approximately 1 weight percent;the polyvinyl acetate comprises 8-10 weight percent;the polyvinyl alcohol comprises 8-10 weight percent;the sodium bicarbonate comprises 3-5 weight percent;the polymer bonder comprises 10-15 weight percent;the glass bead comprises 15-20 weight percent;the metamorphic mineral comprises approximately 1 weight percent;the talc comprises 15-20 weight percent;the talc comprises 3-6 weight percent; andthe metal oxide, the silicon and the aluminides collectively comprises from 2-5 weight ...

Method for the Production of ZNS Particles Having a Metal Oxide Coating and a Cobalt Content, Products Obtained Thereby, and Use of Said Products

Co/metal oxide/ZnS composite particles include a ZnS core and a metal oxide coating surrounding the core, the coating having a content of cobalt from 1 to 150 ppm, based on the total weight of the composite particles, wherein the metal oxide SiO, TiO, AlOor mixtures thereof. 1. Co/metal oxide/ZnS composite particles , comprising:a ZnS core; and{'sub': 2', '2', '2', '3, 'a metal oxide coating surrounding the core, said coating having a content of cobalt from 1 to 150 ppm, based on the total weight of the composite particles, wherein the metal oxide is selected from the group consisting of SiO, TiO, AlOand mixtures thereof.'}2. The composite particles according to claim 1 , having a ZnS core and the metal oxide coating surrounding the core claim 1 , wherein the core is cobalt-free.3. The composite particles according to claim 1 , having a content of cobalt from 5 to 120 ppm claim 1 , based on the total weight of the composite particles.4. The composite particles according to claim 1 , having the metal oxide coating in a mass from 0.1 to 10% by weight metal oxide claim 1 , based on the total weight of the composite particles.5. The composite particles according to claim 4 , having the metal oxide coating in a mass from 0.5 to 5% by weight AlO claim 4 , based on the total weight of the composite particles.6. The composite particles according to claim 4 , having the metal oxide coating in a mass from 0.5 to 3% by weight SiO claim 4 , based on the total weight of the composite particles.7. The composite particles according to claim 4 , having the metal oxide coating in a mass from 0.5 to 3% by weight TiO claim 4 , based on the total weight of the composite particles.8. The composite particles according to claim 1 , having a particle size from 10 nm to 5 μm.9. A method for producing the Co/metal oxide/ZnS composite particles according to claim 1 , said method comprising the following steps:{'sup': '2+', 'a. applying a Co-containing layer to ZnS particles by treating the ...

HYBRID HIGH TEMPERATURE INSULATION

According to one aspect, a hybrid high temperature thermal insulation includes a mix of inorganic granules. The granular mix includes at least 70 weight percent porous inorganic granules in the form of expanded perlite, and at most 30 weight percent second porous inorganic granules other than expanded perlite. The hybrid insulation also includes a binder. In example formulations, the second porous inorganic particles may be made from crushed aerogel, from fumed silica, from precipitated silica, or from other substances. The hybrid insulation may be formed into preferred shapes, for example a board shape or a semi-cylindrical shape configured to fit over a round tube of a predetermined diameter. 1. A hybrid high temperature thermal insulation , comprising:a mix of inorganic granules, the mix comprising at least 70 weight percent first porous inorganic granules in the form of expanded perlite, and at most 30 weight percent second porous inorganic granules, the second porous inorganic granules being other than expanded perlite; anda binder;{'sup': '2', 'wherein the insulation has a thermal conductivity of less than 0.6 BTU-in/(ft-h-° F.) when measured at 500° F.'}2. The hybrid high temperature thermal insulation of claim 1 , wherein the second porous inorganic granules comprise aerogel particles.3. The hybrid high temperature thermal insulation of claim 2 , wherein the second porous inorganic granules comprise silica aerogel particles.4. (canceled)5. A hybrid high temperature thermal insulation comprising:a mix of inorganic granules, the mix comprising at least 70 weight percent first porous inorganic granules in the form of expanded perlite, and at most 30 weight percent second porous inorganic granules, the second porous inorganic granules being other than expanded perlite; anda binder;wherein the second porous inorganic granules comprise precipitated silica particles6. The hybrid high temperature thermal insulation of claim 1 , wherein the binder is sodium silicate. ...

GRANULES

A plurality of granules comprising ceramic particles bound together with an inorganic binder, the inorganic binder comprising reaction product of at least alkali silicate and hardener, wherein the ceramic particles are present as at least 50 percent by weight of each granule, based on the total weight of the respective granule, wherein each granule has a total porosity in a range from greater than 0 to 50 percent by volume, based on the total volume of the respective granule, and wherein the granule has a minimum Total Solar Reflectance of at least 0.7. The granules are useful, for example, as roofing granules. 1. A plurality of granules comprising ceramic particles bound together with an inorganic binder , the inorganic binder comprising reaction product of at least alkali silicate and hardener , wherein the ceramic particles are present as at least 50 percent by weight of each granule , based on the total weight of the respective granule , wherein each granule has a total porosity in a range from greater than 0 to 50 percent by volume , based on the total volume of the respective granule , and wherein the granule has a minimum Total Solar Reflectance of at least 0.70.2. The plurality of granules of claim 1 , wherein the granule has a minimum Total Solar Reflectance of at least 0.75.3. The plurality of granules of claim 1 , wherein the granule has a minimum Total Solar Reflectance of at least 0.80.4. The plurality of granules of claim 1 , wherein each granule collectively comprises at least 80 percent by weight collectively of the ceramic particles and reaction product of the alkali silicate and the hardener claim 1 , based on the total weight of the respective granule.5. The plurality of granules of claim 1 , wherein the ceramic particles each have a longest dimension claim 1 , wherein the granules each have a longest dimension claim 1 , and wherein the longest dimension of each ceramic particle for a given granule is no greater than 20% of the diameter of said ...

SUPPLEMENTARY CEMENTITIOUS MATERIAL MADE OF ALUMINIUM SILICATE AND DOLOMITE

This invention relates to a method for producing a supplementary cementitious material comprising the steps: 1. A method for producing a latent hydraulic and/or pozzolanic supplementary cementitious material , including the specific adjustment of the colour thereof , comprising the steps:{'sub': 2', '2', '3, 'Provision of a starting material containing an aluminium silicate constituent and a dolomite constituent and having a ratio (SiO+AlO)/(CaO+MgO) from 0.7 to 6,'}Conversion of the starting material to the supplementary cementitious material by burning the starting material under reducing conditions in the temperature range of >700° C. to 1100° C. if no mineralisers are contained, and in the temperature range of 625° C. to 950° C. if mineralisers are contained.2. The method according to claim 1 , wherein the starting material is obtained by mixing and combination grinding of dolomite constituents and aluminium silicate constituents.3. The method according to claim 2 , wherein before or during the grinding claim 2 , one or several grinding aids are added claim 2 , which are preferably chosen from the group consisting of glycols claim 2 , alkanolamines claim 2 , alkyl dialkanolamines claim 2 , and mixtures thereof.4. The method according to claim 1 , wherein a mixture containing 40 to 80 wt % aluminium silicate constituent claim 1 , preferably 50 to 70 wt % aluminium silicate constituent claim 1 , and in particular 55 to 65 wt % aluminium silicate constituent and 20 to 60 wt % dolomite constituent claim 1 , preferably 30 to 50 wt % dolomite constituent claim 1 , and in particular 35 to 45 wt % dolomite constituent is used as a starting material.5. The method according to claim 1 , wherein the starting material claim 1 , calculated on a loss on ignition-free basis claim 1 , contains at least 5 wt % MgO claim 1 , preferably at least 7 wt % MgO claim 1 , particularly preferred at least 10 wt % and in particular at least 12 wt % MgO claim 1 , occurring as carbonate.6. ...

METHODS FOR CEMENTING THERMAL WELLS

Portland cement compositions for use in high-temperature, high pressure wells are designed such that the lime-to-silica molar ratio is between 0.5 and 1.0, and the alumina-to-silica molar ratio is between 0.05 and 0.10. After curing and setting at temperatures between 85° C. and 300° C., the cement compositions form tobermorite as an initial and permanent calcium silicate hydrate phase. 1. A method for cementing a subterranean well , comprising:(i) preparing a pumpable cement slurry comprising water, portland cement, a source of silica and a source of alumina;(ii) placing the cement slurry in the well;(iii) curing the cement slurry in the subterranean well at a temperature between 85° C. and 300° C., whereupon the cement slurry forms a set cement;wherein a lime-to-silica molar ratio is between 0.5 and 1.0 and an alumina-to-silica molar ratio is between 0.05 and 0.10.2. The method of claim 1 , wherein an initial and permanent binding phase of the set cement is tobermorite.3. The method of claim 1 , wherein the source of silica comprises crystalline silica.4. The method of claim 3 , wherein the crystalline silica is present at a median particle size (d) between 3.0 μm and 400 μm.5. The method of claim 1 , wherein the silica is present at a concentration between 20% and 120% by weight of cement.6. The method of claim 1 , wherein the source of alumina comprises Type F fly ash claim 1 , metakaolin claim 1 , cenospheres claim 1 , or blast furnace slag or combinations thereof.7. The method of claim 1 , wherein the alumina is present at a concentration between 10% and 60% by weight of cement.8. The method of claim 1 , wherein the alumina is present at a median particle size (d) between 1 μm and 100 μm.9. The method of claim 1 , wherein the cement slurry further comprises iron dust claim 1 , hausmannite claim 1 , ilmenite claim 1 , hematite claim 1 , titanium dioxide claim 1 , barite or calcite claim 1 , or combinations thereof.10. The method of claim 1 , wherein the cement ...

ADDITIVES FOR GEOPOLYMER CEMENTS

The present disclosure is directed to chemical additives for geopolymer cements that can improve the rheological properties of geopolymer cements. These chemical additives include sulfates and selenates of a specific formula as well as hydroxycarboxylic acid salts of Li, Na, and K including but not limited to glycolic, lactic, citric, mandelic tartaric, and malic acids. The chemical additives for geopolymer cements disclosed herein can facilitate the uniform mixing, increase the time mixtures can be transported, and improve the ability to place and finish concrete and mortars made with the geopolymer cements. 1. A cementitious composition comprising:a slag;a pozzolanic material;an alkali activator comprising at least one of sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, sodium silicate, or potassium silicate; and [{'br': None, 'sub': 4', '4', '2', '2', '4, 'AB(SO, SeO)—XHO, where A=K, Na, or NH; B=Al, Cr, Fe, or Co; and X=0-12; or'}, {'br': None, 'sub': 2', '4', '4', '3', '2, 'B(SO, SeO)—XHO, where B=Al, Cr, Fe, or Co and X=0-12.'}], 'a sulfate or selenate compound of the formulas2. The cementitious composition of claim 1 , wherein A=K claim 1 , B=Al claim 1 , and X=12.3. The cementitious composition of wherein B=Al.4. The cementitious composition of claim 1 , wherein the sulfate or selenate compound is KAl(SO)—XHO.5. The cementitious composition of claim 4 , wherein the weight percentage of KAl((SO)-12-HO in the cementitious composition is 0.1-10 wt. %.6. The cementitious composition of claim 1 , wherein the sulfate or selenate compound is Al(SO).7. The cementitious composition of claim 6 , wherein the weight percentage of Al(SO)in the cementitious composition is 0.1-10 wt. %.8. The cementitious composition of claim 1 , wherein the slag is a ground granulated blast furnace slag.9. The cementitious composition of any of - claim 1 , wherein the pozzolanic material is selected from the group consisting of class F fly ash claim 1 , ...

METHOD FOR THE MANUFACTURE OF CALCIUM SILICATE HYDRATE USED AS HARDENING ACCELERATOR IN CONCRETE AND CEMENT-BASED MATERIALS, CALCIUM SILICATE HYDRATE MANUFACTURED WITH SAID METHOD

A process for the manufacturing of a slurry containing nucleating agents which comprises reacting at least one source of a Ca containing compound with at least one source of a Si containing compound, in an aqueous media and in the presence of a doping agent selected from the group consisting of P, B, S, and mixtures thereof; wherein: (i) the reaction is carried out at a temperature comprised from 100 to 350° C.; (ii) the total molar ratio Ca/Si is 1.5-2.5, and (iii) the total molar ratio doping agent/Si is 0.01-2; provided that: (a) when the sole doping agent is P, the total molar ratio P/Si is 0.1-2; (b) when the sole doping agent is B, the total molar ratio B/Si is 0.01-2, and (c) when the sole doping agent is S, the total molar ratio S/Si is 0.1-2. 1. A process for the manufacturing of a slurry containing nucleating agents which comprises reacting at least one source of a Ca containing compound with at least one source of a Si containing compound , in an aqueous media and in the presence of a doping agent selected from the group consisting of a compound containing P , a compound containing B , a compound containing S , and mixtures thereof; wherein:(i) the reaction is carried out at a temperature from 100 to 350° C.;(ii) the total molar ratio of Ca to Si is from 1.5 to 2.5, and(iii) the total molar ratio of doping agent to Si is from 0.01 to 2; provided that:(a) when the sole doping agent is a compound containing P, the total molar ratio of P to Si is from 0.1 to 2;(b) when the sole doping agent is a compound containing B, the total molar ratio of B to Si is from 0.01 to 2, and(c) when the sole doping agent is a compound containing S, the total molar ratio of S to Si is from 0.1 to 2.2. The process according to that additionally comprises reacting at least one source of an Al containing compound.3. The process according to claim 1 , wherein the nucleating agents comprise Calcium (Aluminium) Silicate Hydrate (C-(A)-S-H) in the form of defective tobermorite.4. The ...

METHOD FOR TREATING A ROCK FORMATION AGAINST THE INFLITRATION OF SAND USING A GEOPOLYMER CEMENT GROUT

Treatment method for a rock formation against sand infiltration during production of fluid from this rock formation via a well drilled through said rock formation, comprising at least one step of injecting a geopolymer cement grout into said rock formation, in particular around the edges of said well and/or through said well. 126-. (canceled)27. A method of treatment of a rock formation against sand infiltration during production of fluid from said rock formation via a well drilled through said rock formation , the method comprising:injecting a grout of geopolymer cement into said rock formation.28. The method according to claim 27 , comprising injecting a gas around the edges of said well and/or through said well to reconnect the fluid produced from the rock formation to said well.29. The method according to claim 27 , comprising performing several injection cycles claim 27 , wherein each injection cycle comprises injecting the grout of geopolymer cement followed by injecting a gas.30. The method according to claim 27 , comprising polymerizing the geopolymer cement to form a geopolymer cement coating that at least partially covers the walls of the pores of the rock formation.31. The method according to claim 28 , wherein prior to said injecting of the grout claim 28 , the rock formation is permeable and contains a fluid claim 28 , and wherein the rock formation remains permeable and capable of comprising a fluid after said injecting of the grout or said injecting of the gas.32. The method according to claim 27 , wherein the grout of geopolymer cement comprises:a) at least one aluminosilicate component, or a mixture of several components that is a source of aluminosilicate, andb) an alkaline silicate solution.33. The method according to claim 32 , wherein at least 50% by cumulative volume of particles of said at least one aluminosilicate component or of said mixture of several components have a particle size that is less than or equal to at least one-sixth the size ...

LOW DENSITY CEMENTITIOUS COMPOSITIONS FOR USE AT LOW AND HIGH TEMPERATURES

A cementitious binder, includes a hydraulic binder; a first siliceous based material, which has a (SiO)/(AlO) ratio by weight greater than 2.5; a second siliceous based material, which is different from the first siliceous based material and has (a) a (SiO)/(AlO) ratio by weight greater than 10 and (b) a BET specific surface area greater than 5 m/g; and an aluminum based material, which has a (SiO)/(AlO) ratio by weight lower than 2.5, wherein 0.09 Подробнее

GYPSUM COMPOSITES CONTAINING CEMENTITIOUS MATERIALS AND METHODS

Gypsum composites containing cementitious materials and methods of making the same are provided. Gypsum composites include gypsum and a cementitious material. Methods of making gypsum composites include combining gypsum stucco, water, and a cementitious material to form a slurry, and setting and drying the slurry to form a gypsum composite. 1. A method of making a gypsum composite , comprising:combining gypsum stucco, water, and a cementitious material to form a slurry; andsetting and drying the slurry to form a gypsum composite.2. The method of claim 1 , wherein the gypsum stucco comprises alpha hemihydrate gypsum claim 1 , beta hemihydrate gypsum claim 1 , or a combination thereof3. The method of claim 1 , wherein the cementitious material is selected from the group consisting of: calcium silicate cements claim 1 , calcium aluminate cements claim 1 , calcium sulfoaluminate cements claim 1 , phosphate cements claim 1 , magnesium oxychloride cements claim 1 , magnesium oxysulfate cements claim 1 , magnesium phosphate cements claim 1 , quick set cements claim 1 , and combinations thereof4. The method of claim 1 , wherein the cementitious material comprises Portland cement Type III.5. The method of claim 1 , wherein the cementitious material comprises quick lime or hydrated lime.6. The method of claim 1 , wherein combining gypsum stucco claim 1 , water claim 1 , and cementitious material comprises first combining the cementitious material and the gypsum stucco to form a dry mix and subsequently combining the dry mix with the water.7. The method of claim 6 , wherein the dry mix comprises the cementitious material in an amount from 0.1 percent to 10 percent by weight of the dry mix.8. The method of claim 6 , wherein the dry mix comprises the cementitious material in an amount from about 0.5 percent to about 3 percent by weight of the dry mix.9. The method of claim 1 , wherein the slurry comprises water in an amount from about 50 percent to about 100 percent by weight of ...

NOVEL ULTRA-HIGH PERFORMANCE CONCRETE

A hydraulic composition includes in relative parts by mass with respect to the cement 100 parts of cement the particles of which have a BET specific surface area comprised from 1.20 to 5 m/g; 32 to 42 parts of water; 5 to 50 parts of a mineral addition A1 the particles of which have a D50 less than or equal to 6 μm and selected from silica fume, metakaolin, slag, pozzolans or mixtures thereof; 90 to 230 parts of sand the particles of which have a D50 greater than or equal to 50 μm and a D90 less than or equal to 3 mm; 0.0001 to 10 parts of a superplasticizer, the active material concentration of which is 15% by mass. 1. A hydraulic composition comprising in relative parts by mass with respect to the cement:{'sup': '2', '100 parts of cement the particles of which have a BET specific surface area comprised from 1.20 to 5 m/g;'}32 to 42 parts of water;5 to 50 parts of a mineral addition A1 the particles of which have a D50 less than or equal to 6 μm and selected from silica fume, metakaolin, slag, pozzolans or mixtures thereof;90 to 230 parts of sand the particles of which have a D50 greater than or equal to 50 μm and a D90 less than or equal to 3 mm;0.0001 to 10 parts of a superplasticizer, the active material concentration of which is 15% by mass.2. The hydraulic composition according to comprising in relative parts by mass with respect to the cement:{'sup': '2', '100 parts of cement the particles of which have a BET specific surface area comprised from 1.20 to 1.7 m/g;'}38 to 42 parts of water;8 to 20 parts of a mineral addition A1 the particles of which have a D50 less than or equal to 6 μm and selected from silica fume, metakaolin, slag, pozzolans or mixtures thereof;90 to 180 parts of sand the particles of which have a D50 comprised from 100 μm to 400 μm and a D90 less than or equal to 800 μm;0.0001 to 10 parts of a superplasticizer, the active material concentration of which is 15% by mass.3. The hydraulic composition according to claim 1 , further comprising ...

Loss Circulation Compositions (LCM) Having Portland Cement Clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided. 1. A lost circulation material (LCM) composition , comprising:Portland cement clinker, wherein the Portland cement clinker consists of non-hydraulic, non-cementiceous unground Portland cement clinker particles;cement, wherein the cement comprises API Class G cement;a carrier fluid; andan inorganic consolidation activator selected to consolidate the clinker in the composition to form a plug when introduced into a lost circulation zone.2. The LCM composition of claim 1 , wherein the carrier fluid comprises an aqueous carrier fluid that includes at least one of diutan gum claim 1 , xanthan gum claim 1 , and welan gum.3. The LCM composition of claim 1 , wherein the Portland cement clinker comprises ASTM International Type I cement clinker claim 1 , ASTM International Type V cement clinker claim 1 , API Class A cement clinker claim 1 , or API Class G cement clinker.4. The LCM composition of claim 1 , wherein the inorganic consolidation activator comprises a silicate salt.5. The LCM composition of claim 1 , wherein the inorganic consolidation activator comprises at least one of sodium silicate claim 1 , calcium aluminate claim 1 , calcium chloride claim 1 , sodium aluminate claim 1 , and potassium silicate.6. The LCM composition of claim 1 , wherein the inorganic consolidation activator comprises an ...

Loss Circulation Compositions (LCM) Having Portland Cement Clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided. 1. A lost circulation material (LCM) composition , comprising:Portland cement clinker, wherein the Portland cement clinker consists of non-hydraulic, non-cementiceous unground Portland cement clinker particles;cement;a carrier fluid;a plurality of polymer fibers; andan inorganic consolidation activator selected to consolidate the clinker in the composition to form a plug when introduced into a lost circulation zone.2. The LCM composition of claim 1 , wherein the carrier fluid comprises an aqueous carrier fluid that includes at least one of diutan gum claim 1 , xanthan gum claim 1 , and welan gum.3. The LCM composition of claim 1 , wherein the Portland cement clinker comprises ASTM International Type I cement clinker claim 1 , ASTM International Type V cement clinker claim 1 , API Class A cement clinker claim 1 , or API Class G cement clinker.4. The LCM composition of claim 1 , wherein the cement comprises API Class G cement.5. The LCM composition of claim 1 , wherein the inorganic consolidation activator comprises a silicate salt.6. The LCM composition of claim 1 , wherein the inorganic consolidation activator comprises at least one of sodium silicate claim 1 , calcium aluminate claim 1 , calcium chloride claim 1 , sodium aluminate claim 1 , and potassium silicate.7. The LCM composition of claim 1 ...

Loss Circulation Compositions (LCM) Having Portland Cement Clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided. 1. A lost circulation material (LCM) composition , comprising:Portland cement clinker, wherein the Portland cement clinker consists of non-hydraulic, non-cementiceous unground Portland cement clinker particles;cement;a carrier fluid;particulate glass having an aspect ratio greater than or less than 1; andan inorganic consolidation activator selected to consolidate the clinker in the composition to form a plug when introduced into a lost circulation zone.2. The LCM composition of claim 1 , wherein the carrier fluid comprises an aqueous carrier fluid that includes at least one of diutan gum claim 1 , xanthan gum claim 1 , and welan gum.3. The LCM composition of claim 1 , wherein the Portland cement clinker comprises ASTM International Type I cement clinker claim 1 , ASTM International Type V cement clinker claim 1 , API Class A cement clinker claim 1 , or API Class G cement clinker.4. The LCM composition of claim 1 , wherein the cement comprises API Class G cement.5. The LCM composition of claim 1 , wherein the inorganic consolidation activator comprises a silicate salt.6. The LCM composition of claim 1 , wherein the inorganic consolidation activator comprises at least one of sodium silicate claim 1 , calcium aluminate claim 1 , calcium chloride claim 1 , sodium aluminate claim 1 , and potassium ...

FOAMED LIGHTWEIGHT REFRACTORY MONOLITHIC COMPOSITION

A foamed lightweight monolithic refractory castable is provided. The castable includes one or more refractory aggregates as a main constituent, one or more foaming additives in a range of 0.1 wt % to 3.0 wt %, one or more cellulosic powder air-entraining additives in a range of 0.005 wt % to 2.0 wt %, one or more binders in a range of 1 wt % to 40 wt %, and one or more superplasticizers in a range of 0.05 wt % to 0.5 wt %. The refractory aggregates include at least one of alumina and silica. The foaming additives include at least one of alkylbenzene sulfonates, alkene sulfonates, and hydroxylalkane sulfates. The superplasticizers include at least one of sodium polyacrylates, naphthalene sulfonates, polyethylene glycols, polycarboxylates, polyacrylates, and polycarboxylate ethers. 1. A foamed lightweight monolithic refractory castable , comprising:one or more refractory aggregates as a main constituent, the refractory aggregates comprising at least one of alumina and silica;one or more foaming additives in a range of 0.1 wt % to 3.0 wt %, the foaming additives comprising at least one of alkylbenzene sulfonates, alkene sulfonates, and hydroxylalkane sulfates;one or more cellulosic powder air-entraining additives in a range of 0.005 wt % to 2.0 wt %;one or more binders in a range of 1 wt % to 40 wt %; andone or more superplasticizers in a range of 0.05 wt % to 0.5 wt %, the superplasticizers comprising at least one of sodium polyacrylates, naphthalene sulfonates, polyethylene glycols, polycarboxylates, polyacrylates, and polycarboxylate ethers.2. The castable of claim 1 , wherein the refractory aggregates further comprise at least one of kyanites claim 1 , pyrophillites claim 1 , silica sands claim 1 , dolomites claim 1 , and magnesias.3. The castable of claim 2 , wherein the refractory aggregates further comprise at least one of expanded clay aggregates claim 2 , fireclays claim 2 , mullites claim 2 , chamottes claim 2 , bauxites claim 2 , and high-purity aluminas.4. ...

Processing post-industrial and post-consumer waste streams and preparation of post-industrial and post-consumer products therefrom

A system for and method of, processing post-consumer and post-industrial waste streams, producing active ingredients for waste stream processing, processing aqueous waste streams, preparing and collecting a multi-purpose chemical precursor, removing phosphates, nitrates, heavy metals, and other contaminants from aqueous waste streams, collecting and processing a post-consumer and post-industrial product from aqueous waste streams, administering and positioning assets and processes associated with waste stream processing, and scheduling operations for sub-systems of the system.

Cement systems, hardened cements and implants

A cement system for forming an implant comprises a reactive glass ionomer cement (GIC) powder, a polycarboxylic acid or salt, and a filler. The polycarboxylic acid or salt is included to initially provide a paste having a pH less than 7 when the cement system is mixed with water. In one embodiment, the filler is substantially inert when mixed with water and is selected from (CaO)(AI 2 O 3 )6, (CaO)(AI 2 O 3 ) 2 , calcium silicate (CaOSiO 2 ), and mixtures thereof. In another embodiment, the filler is substantially reactive when mixed with water and is selected from (CaO) 2 (SiO 2 ), (CaO) 3 (SiO 2 ), and mixtures thereof, and the cement system includes an additional acid to maintain the paste at a pH less than 7 for at least one hour after the cement system is mixed with water.

FIRE RESISTANT COMPOSITIONS AND ARTICLES AND METHODS OF PREPARATION AND USE THEREOF

Disclosed herein are fire resistant compositions and articles, for example, in the form of boards, insulation, sheeting, blocks, panels and similar materials of construction. Also disclosed are methods of preparing fire resistant compositions and articles and methods of use thereof. 1. A fire resistant composition , comprising:an additive;a filler; anda fire resistant material comprising a boron component.2. The fire resistant composition of claim 1 , further comprising a binder claim 1 , wherein the binder comprises at least one of cement claim 1 , Portland cement claim 1 , concrete claim 1 , mortar claim 1 , stucco claim 1 , grout claim 1 , plaster claim 1 , mud claim 1 , lime or alpha-calcium sulfate hemihydrate.3. (canceled)4. The fire resistant composition of claim 1 , wherein the additive comprises at least one of a pozzolanic compound claim 1 , perlite claim 1 , modified expanded perlite claim 1 , modified expanded perlite powder claim 1 , vermiculite claim 1 , diatomite claim 1 , smecitite claim 1 , illite claim 1 , dickite claim 1 , nacrite claim 1 , hectorite claim 1 , montmorillonite claim 1 , bentonite claim 1 , glauconite claim 1 , clay claim 1 , kaolin claim 1 , sodium alpha olefin sulfonate claim 1 , a concrete waterproofing additive claim 1 , sodium silicate claim 1 , shale claim 1 , slag claim 1 , fly ash claim 1 , silica fume claim 1 , pumice claim 1 , calcium carbonate claim 1 , calcium hydroxide claim 1 , a cellulosic material claim 1 , a polymer or an accelerator.5. (canceled)6. The fire resistant composition of claim 1 , wherein the perlite is a powder having a particle size distribution of less than about 5 mm.7. (canceled)8. The fire resistant composition of claim 4 , wherein the concrete waterproofing additive comprises at least one of fine silica claim 4 , a polymer claim 4 , a densifier claim 4 , a water repellant or a pozzolanic material modified with at least one hydrophobic material.9. The fire resistant composition of claim 4 , wherein ...

RED MUD UTILIZATION METHOD BASED ON CO-PROCESSING OF INDUSTRIAL EXHAUST GAS, SEWAGE TREATMENT AND ENVIRONMENT-FRIENDLY AND HIGH PERFORMANCE CIVIL FUNCTIONAL MATERIAL

A red mud utilization method based on co-processing of industrial exhaust gas, sewage treatment and an environment-friendly and high-performance civil functional material, belongs to the technical field of environmental science and cementitious material preparation, and relates to a preparation process of a solid waste-based cementitious material, specifically including the steps: preparing an environment-friendly and high-performance red mud-based civil functional material by using slag obtained after sewage treatment with red mud and other solid wastes in physical and chemical activation and high-temperature calcination methods. The compressive strength of a solid waste-based cementitious material prepared by using the method can reach 29 MPa, the leaching quantity (lower than 3.0 ppm) of toxic elements such as heavy metals is far lower than the national standard requirement, and a solid waste-based cementitious material with great performance can be prepared. 1. A red mud-based environment-friendly and high-performance civil functional cementitious material , comprising the following raw materials in parts by weight: 10-90 parts of slag obtained after sewage treatment with red mud , 20-60 parts of a cementing agent , 2-8 parts of an activator , and 1-5 parts of a toxic element curing agent;wherein a preparation method of the slag obtained after sewage treatment with red mud comprises the steps: carbonizing red mud with industrial exhaust gas, preparing the carbonized red mud into a sewage treatment agent, treating sewage, and collecting the slag obtained after sewage treatment with red mud.2. The red mud-based environment-friendly and high-performance civil functional cementitious material according to claim 1 , wherein the carbonization treatment has a pressure of 0.4-1.5 MPa claim 1 , a carbonization temperature of 60-200° C. claim 1 , and a carbonization time of 6-24 hours claim 1 , and the industrial exhaust gas is one of exhaust gas of a power plant claim 1 ...

METHODS FOR MAINTAINING ZONAL ISOLATION IN A SUBTERRANEAN WELL

A cement for use in wells in which hydrogen sulfide is present, comprises polymer particles. In the event of cement-matrix failure, or bonding failure between the cement/casing interface or the cement/borehole-wall interface, the polymer particles swell when contacted by hydrogen sulfide. The swelling seals voids in the cement matrix, or along the bonding interfaces, thereby restoring zonal isolation. 1. A method for maintaining zonal isolation in a subterranean well having a borehole in which hydrogen sulfide is present , comprising:(i) pumping a cement slurry comprising a material that swells when contacted by hydrogen sulfide into the borehole;(ii) allowing the cement slurry to set and harden;(iii) in the event of cement-matrix or bonding failure, exposing the set cement to wellbore fluids that contain hydrogen sulfide; and(iv) allowing the material to swell, thereby restoring zonal isolation.2. The method of claim 1 , wherein the material comprises natural rubber claim 1 , nitrile rubber claim 1 , styrene-butadiene rubber claim 1 , polymers or copolymers comprising ethylene and/or propylene claim 1 , butyl (isobutene-isoprene) rubber claim 1 , hydrogenated nitrile butadiene rubber claim 1 , acrylonitrile-butadiene copolymer claim 1 , or styrene-isoprene-styrene claim 1 , or combinations thereof.3. The method of claim 1 , wherein the concentration of the material in the cement slurry is between about 5 percent and about 50 percent by volume of solid blend.4. The method of claim 1 , wherein the average particle size of the material is between about 10 μm and about 1000 μm.5. The method of claim 1 , wherein the hydrogen sulfide is supercritical claim 1 , wet claim 1 , dry or dissolved in oil or water.6. The method of claim 1 , wherein the borehole penetrates at least one fluid-containing reservoir claim 1 , the reservoir containing fluid with a hydrogen sulfide concentration higher than about five moles per liter.7. The method of claim 1 , wherein the cement slurry ...

CEMENT SLURRIES, CURED CEMENT AND METHODS OF MAKING AND USE THEREOF

Cement slurries, cured cements, and methods of making cured cement and methods of using cement slurries are provided. The cement slurries have, among other attributes, an extended thickening time, leading to improved retardation, flowability, and pumpability and may be used, for instance, in the oil and gas drilling industry. The cement slurry comprises water, a cement precursor material, acrylic acid copolymer, zinc oxide, and a phosphonic acid-based thickener. 1. A cement slurry comprising:water;a cement precursor material;acrylic acid copolymer;zinc oxide; anda phosphonic acid-based thickener.2. The cement slurry of claim 1 , in which the phosphonic acid-based thickener comprises at least one of diethylenetriamine pentamethylphosphonic acid (DTPMP) or nitrilotris(methylene) triphosphonic acid (NTMP).3. The cement slurry of claim 2 , in which the cement slurry has a thickening time at 400° F. of greater than 4 hours and less than 65 hours.4. The cement slurry of claim 2 , in which the cement slurry comprises from 0.4 to 2 wt. % by weight of cement precursor (BWOC) DTPMP.5. The cement slurry of claim 1 , in which the cement slurry comprises from 0.4 to 2 wt. % BWOC acrylic acid copolymer.6. The cement slurry of claim 1 , in which the cement slurry comprises from 0.1 to 1 wt. % BWOC zinc oxide.7. The cement slurry of claim 1 , in which the acrylic acid copolymer comprises 2-acrylamido-2-methylpropane sulfonic acid.8. The cement slurry of claim 1 , in which the cement slurry has a thickening time at 400° F. of greater than 2 hours and less than 65 hours.9. The cement slurry of claim 1 , in which the cement precursor material is a hydraulic cement precursor.10. The cement slurry of claim 1 , in which the cement precursor material comprises one or more components selected from the group consisting of calcium hydroxide claim 1 , silicates claim 1 , belite (CaSiO) claim 1 , alite (CaSiO) claim 1 , tricalcium aluminate (CaAlO) claim 1 , tetracalcium aluminoferrite ( ...

Multi-component composition for producing an aqueous coating mass

A composition consisting essentially of (a) 1 to 30 wt. % of a hydrogen phosphate selected from the group consisting of mono and dihydrogen phosphates of sodium, potassium, ammonium, magnesium, calcium, aluminium, zinc, iron, cobalt, and copper; (b) 1 to 40 wt. % of a compound selected from the group consisting of oxides, hydroxides, and oxide hydrates of magnesium, calcium, iron, zinc, and copper; (c) 40 to 95 wt. % of a particulate filler selected from the group consisting of glass; mono-, oligo- and poly-phosphates of magnesium, calcium, barium and aluminium; calcium sulfate; barium sulfate; simple and complex silicates; simple and complex aluminates; simple and complex titanates; simple and complex zirconates; zirconium dioxide; titanium dioxide; aluminium oxide; silicon dioxide; silicon carbide; aluminium nitride; boron nitride and silicon nitride; and (d) 0 to 25 wt. % of a constituent that differs from constituents (a) to (c).

Loss Circulation Compositions (LCM) Having Portland Cement Clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided. 1. A lost circulation material (LCM) composition , comprising:Portland cement clinker;a carrier fluid; andparticulate glass having an aspect ratio greater than 1 or less than 1.2. The LCM composition of claim 1 , wherein the particulate glass comprises a plurality of glass fibers each have a length in the range of 1 millimeters (mm) to 6 millimeters.3. The LCM composition of claim 1 , where the particulate glass comprises an amount in the range of 0.25 weight of the total weight (w/w %) to 2.0 w/w %.4. The LCM composition of claim 1 , wherein the carrier fluid comprises an aqueous carrier fluid that includes at least one of diutan gum claim 1 , xanthan gum claim 1 , and welan gum.5. The LCM composition of claim 1 , wherein the Portland cement clinker comprises ASTM International Type I cement clinker claim 1 , ASTM International Type V cement clinker claim 1 , API Class A cement clinker API Class G cement clinker.6. The LCM composition of claim 1 , comprising cement.7. The LCM composition of claim 6 , wherein the cement comprises API Class G cement.8. The LCM composition of claim 6 , wherein the weight ratio of cement clinker to cement is in the range of 60:40 to 90:10. This application is a divisional of and claims priority from U.S. Non-provisional application Ser. No. 15/962,720 filed Apr. 25, ...

Online control of rheology of building material for 3d printing

A method of placing a flowable construction material including a hydraulic binder for building structural components layer-by-layer, such as for 3D concrete printing, the method including preparing a fresh flowable construction material made of Portland cement, fine limestone filler materials, fine sands, water, and water reducing admixture and possibly a set or hardening accelerating admixture, conveying the flowable construction material to a deposition head, placing the construction material through an outlet of the deposition head in order to form a layer of construction material, before placing the construction material, adding a rheology-modifying agent to the construction material so that the placed material has an increased yield stress when compared to the material during the conveying step.

CEMENTITIOUS MATERIAL

Synthetic pozzolans are produced using local materials to provide a cementitious material that is uniform in chemistry and properties independent of the location where the materials are obtained. Two methods of production are described. One is a high temperature process in which materials are processed in a semi-molten or molten state. The second process is a low temperature aqueous process. 125.-. (canceled)26. A cementitious material , comprising:a crystalline phase and an amorphous phase, andan activator selected from the group of materials comprising inorganic bases.27. The cementitious material of claim 26 , wherein the activator is selected from one of OPC (1-70 wt %) claim 26 , free lime (1-20 wt %) claim 26 , calcium hydroxide (1-20 wt %) claim 26 , and alkali hydroxides (NaOH claim 26 , KOH 1 to 10 wt %) claim 26 , and combinations thereof.28. The cementitious material of claim 26 , wherein the amorphous material comprises amorphous calcium aluminum silicate.29. The cementitious material of claim 26 , wherein the crystalline phase comprises in its majority crystalline gehlenite.30. The cementitious material of claim 26 , wherein the crystalline phase comprises in its majority crystalline anorthite. This application claims priority to and the benefit of co-pending U.S. provisional patent application Ser. No. 62/332,318, filed May 5, 2016, which application is incorporated herein by reference in its entirety.The invention relates to concretes in general and particularly to pozzolanic materials used in concrete compositions.Cements of various types have been employed for thousands of years in all manner of construction. Typical modern hydraulic cement, most commonly known as ordinary Portland cement (OPC), is one of the most consumed substance on the planet.Though ordinary Portland cement based concretes have a lower COfootprint than most other structural materials, the sheer volume of Portland cement concrete produced every year makes it a significant ...

Process for manufacturing high-expansion gypsum plaster composition and high-expansion gypsum plaster composition obtained by said process

An object of the present invention is to provide a high-expansion gypsum composition in which the expansion coefficient of a general purpose dental gypsum material or the like is simply and effectively improved to such an extent that has never been achieved with conventional technologies without using any special material by adding an inexpensive additive even in a small addition amount, and furthermore another object of the present invention is to provide a high-expansion gypsum composition the setting expansion coefficient of which is appropriately controlled so that the contraction of a resin to be used can be precisely dealt with, the high-expansion gypsum composition being useful for manufacturing a reproduction model to be used in manufacturing a “non-clasp denture” having no problem in, for example, occlusion (adaptability). The objects of the present invention are achieved by means of a method for producing a high-expansion gypsum composition, the method producing a gypsum composition having an enhanced setting expansion coefficient by copulverizing in a dry system a powdered gypsum composition containing calcined gypsum as a main component and dihydrate gypsum.

POLYETHYLENE TEREPHTHALATE CONTAINING COMPOSITE FILM AND PREPARATION METHOD AND USE THEREOF

The present invention provides a composite film containing polyethylene terephthalate, which comprises inorganic mineral powder, polyethylene terephthalate, an auxiliary plastic, and an auxiliary agent. The present invention also provides a method of preparing the composite film, which comprises internally mixing inorganic mineral powder, polyethylene terephthalate, an auxiliary plastic, and an auxiliary agent to form a composite soft material; configuring the composite soft material to be in a sheet shape; and stretching the composite soft material to form a composite film. 1. A polyethylene terephthalate containing composite film , comprising:inorganic mineral powder;polyethylene terephthalate;an auxiliary plastic; andan auxiliary agent,wherein the polyethylene terephthalate is present in an amount of about 9 wt % to about 25 wt %, the inorganic mineral powder is present in an amount of about 45 wt % to about 79 wt %, and the auxiliary plastic is present in an amount of about 9 wt % to about 25 wt %, based on the total weight of the composite film.2. The composite film according to claim 1 , wherein the inorganic mineral powder is selected from the group consisting of calcium carbonate claim 1 , magnesium carbonate claim 1 , calcium silicate claim 1 , and combinations thereof.3. The composite film according to claim 1 , wherein the inorganic mineral powder comprises about 80% inorganic mineral powder having a particle size of about 4 μm to about 8 μm.4. The composite film according to claim 1 , wherein the auxiliary plastic is selected from the group consisting of film grade polypropylene claim 1 , film grade high density polyethylene claim 1 , film grade low density polyethylene claim 1 , film grade linear low density polyethylene claim 1 , and combinations thereof.5. A synthetic film comprising: inorganic mineral powder;', 'polyethylene terephthalate;', 'an auxiliary plastic; and', 'an auxiliary agent,', 'wherein the polyethylene terephthalate is present in an ...