ИНГИБИТОРЫ КОРРОЗИИ ДЛЯ ТОПЛИВА И СМАЗОЧНЫХ МАТЕРИАЛОВ

FIELD: chemistry.SUBSTANCE: invention discloses the use of polymers that statistically have an average of at least 4 acid groups per polymer chain, ratio of carbon atoms to the acid group ranges from 7 to 35 and the acid number ranges from 80 to 320 mg KOH/g, determined by potentiographic titration with 0.5 molar aqueous hydrochloric acid after three hours of heating in 0.5 molar ethanolic potassium hydroxide solution as corrosion inhibitors in fuels that have an alkali and/or alkali-earth metal and/or zinc content of at least 0.1 ppm, wherein the fuel is diesel or gasoline. Also disclosed is the use of polymers in additive kits for reducing corrosion in diesel and gasoline fuels that have an alkali and/or alkali-earth metal and/or zinc content of at least 0.1 ppm.EFFECT: reduced corrosion.14 cl, 1 dwg, 3 ex, 9 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) (19) RU (11) (13) 2 684 323 C2 (51) МПК C10M 145/12 (2006.01) C10M 145/16 (2006.01) C10L 1/14 (2006.01) C10L 1/16 (2006.01) C10L 1/196 (2006.01) C10L 10/04 (2006.01) C10M 171/00 (2006.01) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C10M 145/12 (2018.08); C10M 145/16 (2018.08); C10L 1/14 (2018.08); C10L 1/16 (2018.08); C10L 1/196 (2018.08); C10L 10/04 (2018.08); C10M 171/00 (2018.08) (21)(22) Заявка: 2016134920, 29.01.2015 29.01.2015 Дата регистрации: 08.04.2019 29.01.2014 EP 14152991.7; 04.12.2014 EP PCT/EP2014/076622; 16.12.2014 EP 14198266.0 (73) Патентообладатель(и): БАСФ СЕ (DE) (43) Дата публикации заявки: 05.03.2018 Бюл. № 7 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 29.08.2016 (86) Заявка PCT: R U 2 6 8 4 3 2 3 EP 2015/051825 (29.01.2015) (87) Публикация заявки PCT: WO 2015/114053 (06.08.2015) Адрес для переписки: 105064, Москва, а/я 88, "Патентные поверенные Квашнин, Сапельников и партнеры" (54) ИНГИБИТОРЫ КОРРОЗИИ ДЛЯ ТОПЛИВА И СМАЗОЧНЫХ МАТЕРИАЛОВ (57) Реферат: Изобретение раскрывает применение едкого калия, в качестве ингибиторов коррозии полимеров, ...

ГИБРИДНЫЙ СОПОЛИМЕР

Изобретение относится к гибридным сополимерам и может быть использовано в качестве присадок к смазочным маслам. Гибридный сополимер содержит привитой сополимер, состоящий из звеньев одного или более азотсодержащего мономера, привитого на полимерную подложку, состоящую из звеньев одного или более винилового мономера, выбранного из группы, включающей (мет)акрилаты, стиролы, производные стирола, малеаты, фумараты, и функционализованный малеиновый ангидрид и статистический сополимер, состоящий из звеньев одного или более вышеуказанного винилового мономера и звеньев одного или более вышеуказанного азотсодержащего мономера. Содержание остаточного азотсодержащего мономера не более 2000 ppm в расчете на гибридный сополимер. 8 з.п.ф-лы, 2 табл.

КОМПОЗИЦИЯ ПОЛИФУНКЦИОНАЛЬНОЙ ПРИСАДКИ, ПОВЫШАЮЩЕЙ ИНДЕКС ВЯЗКОСТИ, И СМАЗОЧНОЕ МАСЛО

Изобретение относится к новым полифункциональным модификациям вязкости, включающим смесь дериватизированных сополимеров этилена с альфа-олефинами, А и Б. Указанный сополимер А содержит от примерно 30 до примерно 60 мас.% мономерных звеньев из этилена и указанный сополимер Б содержит от примерно 60 до примерно 80 мас.% мономерных звеньев из этилена. 2 с. и 6 з.п. ф-лы, 4 ил., 1 табл.

УЛУЧШЕННЫЕ ИЗОЛИРУЮЩИЕ ТЕКУЧИЕ СРЕДЫ НА ВОДНОЙ ОСНОВЕ И СПОСОБЫ, СВЯЗАННЫЕ С НИМИ

... 1. Изолирующая текучая среда на водной основе, которая включает водную основу текучей среды, органическую жидкость, смешивающуюся с водой, и синтетический полимер. ! 2. Изолирующая текучая среда на водной основе по п. 1, в которой синтетический полимер сшивают. ! 3. Изолирующая текучая среда на водной основе по п. 1, в которой изолирующая текучая среда на водной основе далее включает добавку, выбранную из группы, содержащей: ингибиторы коррозии, модификаторы pH, биоциды, стеклянную дробь, полые сферы, полые микросферы, модификаторы реологии, буферы, ингибиторы гидратообразования, деэмульгаторы, индикаторы, дополнительные утяжелители, загустители, поверхностно-активные вещества и их комбинации. ! 4. Изолирующая текучая среда на водной основе по п. 1, в которой изолирующая текучая среда на водной основе включает солевой раствор, выбранный из группы содержащий: NaCl, NaBr, КCl, CaCl2, CaBr2, ZrBr2, карбонат натрия, формиат натрия, формиат калия, формиат цезия, и комбинации и производные этих ...

ИНГИБИТОРЫ КОРРОЗИИ ДЛЯ ТОПЛИВ И СМАЗОЧНЫХ МАТЕРИАЛОВ

ПОЛИАЛКИЛ(МЕТ)АКРИЛАТ ДЛЯ УЛУЧШЕНИЯ СВОЙСТВ СМАЗОЧНОГО МАСЛА

... 1. Полиалкил(мет)акрилат для улучшения свойств смазочных масел, содержащий повторяющиеся звенья, являющиеся производными (мет)акрилатов с 6-22 атомами углерода в спиртовом радикале, отличающийся тем, что полиалкил(мет)акрилат содержит повторяющиеся звенья, являющиеся производными от аминопроизводных полярного этиленненасыщенного мономера.2. Полиалкил(мет)акрилат по п.1, отличающийся тем, что полимер является привитым сополимером, причем основа для прививки содержит повторяющиеся звенья, являющиеся производными (мет)акрилатов с 6-22 атомами углерода в спиртовом радикале, а добавка для прививки содержит повторяющиеся звенья, являющиеся производными от полярного этиленненасыщенного мономера.3. Полиалкил(мет)акрилат по п.1, отличающийся тем, что полярным этиленненасыщенным мономером, производным от которого является аминопроизводное, является малеиновая кислота, малеиновый ангидрид или производное малеиновой кислоты.4. Полиалкил(мет)акрилат по п.1, отличающийся тем, что полярным этиленненасыщенным ...

ИНГИБИТОРЫ КОРРОЗИИ ДЛЯ ТОПЛИВ И СМАЗОЧНЫХ ВЕЩЕСТВ

Смазочная композиция для горячей обработки металлов давлением

Изобретение позволяет снизить износ инструмента и расход электроэнергии. Композиция включает воду и смазку при следующем соотношении компонентов в расчете на смазку. Мас.%: твердый смазочный наполнитель 25-95 водорастворимый загуститель 5-75, причем смазка содержится в воде в количестве 5-30 мас.%. В качестве твердого смазочного наполнителя композиция содержит соединение, выбранное из группы, включающей графит, дисульфид молибдена, их смесь, смесь графита с вторидом кальция. В качестве водорастворимого загустителя используют соединение, выбранное из группы, включающей простой эфир целлюлозы, камеди, полиакриламид, полиакриловую кислоту, альгинаты, поливиниловый спирт, полисахариды, полиэтиленгликоль, полиэтиленоксид, поливинилацетат, крахмал, клейстер, карбоксиметилцеллюлозу, жидкое стекло, их смеси. Использование композиции снижает расход электроэнергии до 10% на 1-й клети и до 6% на 2-й клети при значительном снижении износа валков на каждой клети: 15-25% на 1-й клети и 2,5% на 2-й клети ...

Schmiermittel zum Drahtzuführen und zum Drahtziehen und mit Verwendung dieses Schmiermittels hergestelltem Schweissdraht

Schmiermittelzusammensetzungen

Schmieroelzusaetze

DISPERGIERMITTEL/VISKOSITÄTSINDEXVERBESSERUNGSMITTEL FÜR SCHMIERÖLZUSAMMENSETZUNGEN

VERFAHREN ZUR HERSTELLUNG EINER MEHRFACH-WASSER/ÖL/WASSER-EMULSION

Verfahren zur Herstellung von organischen Salzen, die quellende, gelierende und dispergierende Eigenschaften fuer organische Fluessigkeiten haben

Verwendung einer Schmiermittelzusammensetzung, enthaltend eine Mischung von Antioxidationsadditiven

Verfahren zur Herstellung von oelloeslichen Mischpolymerisaten auf Basis von Acrylsaeureestern

METALLBEARBEITUNGSOEL-ZUSAMMENSETZUNG

Use of water insol. di:alkyl ether(s) of poly:hydric alcohol(s)

Use of at least substantially water insol. dialkyl ethers of natural or synthetic mono- and/or polyhydric alcohols, the ethers being liquid at working temps., as the oil phase in agents for treating metal surfaces and in cooling lubricants is claimed. Also claimed is an agent comprising (a) the above ethers; (b) corrosion inhibitors, and (c) emulsifiers.Carboxylic acids of formula R1-COOH (I) are used as corrosion inhibitors. In (I), R1 = aliphatic, opt. branched 5-23C hydrocarbyl and 0 or 1-5 double bonds, or R2-Ph-COCH=CH (where R2 = opt. branched 8-18C alkyl, and Ph = phenyl).

Niedrigviskos bis hochviskos eingestellte wasserbasierte Schmierstoffzusammensetzung

Die Erfindung betrifft eine niedrigviskos bis hochviskos eingestellte wasserbasierte Schmierstoffzusammensetzung mit einem mittleren Wassergehalt von > 80 Gew.-%, die Polymere enthält.

Verwendung von Sulfonatgruppen enthaltende Kopolymere zur Nebelbeseitigung wässriger Metallbearbeitungsflüssigkeiten

Lubricant compositions

Lubricant compositions

Lubricating oil compositions and additives therefor

... 1,146,439. Oil-soluble copolymers. SINCLAIR RESEARCH Inc. 7 April, 1966 [7 April, 1965], No. 15615/66. Heading C3P. [Also in Division C5] Oil soluble copolymers of (1) 3 to 55 mole per cent of RCOOR1 where R is a C 3-25 ethylenically unsaturated hydrocarbon radical, R1 is hydrogen or a C 1-15 alkyl radical and the COOR1 group is attached to an aliphatic carbon-carbon chain of at least two carbon atoms, (2) 5 to 30 mole per cent of a C 4-12 conjugated diene and (3) 92 to 15 mole per cent of a C 3-25 alpharnonoalkene, the total number of carbon atoms in (1) and (3) being at least 12, may be prepared by copolymerizing the monomers in the presence of a Friedel Crafts catalyst, e.g. aluminium chloride or boron trifluoride, and optionally a cocatalyst such as methyl or ethyl chloride. Specified monomers are (1) oleic, linoleic, undecylenic, linolenic, ricinoleic and methacrylic acids and esters thereof, (2) butadiene, isoprene and chloroprene and (3) olefins and olefin ...

A lubricant for use in diesel engines

A process for the preparation of a product suitable for use as a lubricant, an addition to a lubricant, or capable of being used in the preparation of a lubricant or an addition to a lubricant

Lubricants or lubricant additives &c. are prepared by subjecting aromatic compounds containing one or more polar groups (such as OH and COOH groups), together with an excess of compounds with one or more aliphatic double bonds and containing more than 4 carbon atoms in the molecule, to a simultaneous alkylation and polymerization treatment. The products so obtained may be converted into metallic salts. Examples of aromatic compounds which can be used are benzyl alcohol, benzoic acid, mandelic acid, phenol, salicylic acid, aminophenol, diphenyl ether, nitronaphthalene, and naphthalene sulphonic acid. Examples of compounds with an aliphatic double bond containing more than 4 carbon atoms in the molecule are: alkenes such as hexene, decene and cetene, cycloalkenes such as cyclohexene, mixtures containing alkenes, such as vapour or liquid phase cracking distillates of paraffin wax, unsaturated alcohols such as allyl alcohol and oleyl alcohol, unsaturated carboxylic acids such as oleic acid ...

POLYMER COMPOSITION USEFUL AS VISCOSITY INDEX IMPROVER

Lubricant composition containing antioxidant additive combination

Improvements in or relating to lubricating oils and processes for preparing the same

A normally solid hydrocarbon wax of 15-100 C atoms is converted into a lubricant by heating with one or more olefins of from 2-10 C atoms, at 400-700 DEG F. and superatmospheric pressure in the presence of a hydrocarbon halide catalyst, separating lighter constituents, preferably those boiling below 250 DEG F. at 1 mm., by distillation, and de-waxing the heavy residue to give a resulting composition having a viscosity index of at least 100 and a pour point not greater than about 10 DEG F. The preferred waxes are crystalline and micro-crystalline waxes recovered from petroleum oils and consisting of paraffins of 20-40 C atoms. Other waxes include paraffins from pentadecane up to heptacontane; hydrocarbons containing a ring and a long chain substituent, e.g. dodecylcyclohexane, octadecylbenzene, 2-octadecyldecalin, and tetradecylcyclopentane; ceresin, ozokerite; polyethylenes and synthetic waxes from the Fischer-Tropsch process; waxes from destructive or non-destructive hydrogenation; and ...

Post-treated dispersants

Organo molybdenum friction-reducing antiwear additives

A hydrocarbon-soluble molybdenum complex of a hydrocarbon substituted thio-bis-phenol, e.g. the reaction product of 1-2 moles of nonyl phenol sulfides and one mole of molybdenum oxide (reacted if desired in the presence of an amine promoter), in combination with a sulfur donor provides lubricity activity to lubricating oils and other hydrocarbons including fuels.

TERPOLYMERS AND THEIR MANUFACTURE AND USE AS ADDITIVES FOROIL

METAL-WORKING COMPOSITIONS

Polar grafted polyolefins,methods for their manufacture,and lubricating oil co positions containing them

Fluorine-containing copolymers and process for their preparation

A copolymer of ethylene and hexafluoroacetone (see Division C3) having a molecular weight of 504, may be used as a lubricant.ALSO:A random copolymer is produced by free-radically polymerizing at least one polyfluoroketone of the formula where X and X1 are hydrogen, fluorine, chlorine or bromine atoms or perfluoroalkyl groups containing up to 18 carbon atoms or o -hydro, o -chloro, o -bromo or o -alkoxy-perfluoro-alkyl groups containing up to 18 carbon atoms, or together are a haloperfluoroalkylene group containing from 1 to 3 carbon atoms with at least one ethylenically unsaturated compound. The usual process conditions are observed. The examples relate to the copolymerization with ethylene, propylene, vinyl chloride, vinyl acetate styrene, vinyl fluoride, ethylene carbon-monoxide mixture, tetrafluoroethylene, butene-2 sulphur dioxide mixture; vinylidene fluoride alone and in mixture with chlorotrifluoroethylene and/or tetrafluoroethylene, methylmethacrylate.ALSO:Cotton ...

Lubricant compositions

A lubricant composition comprises a base oil and an additive composition comprising: a detergent, wherein the detergent is an overbased phenate detergent; and an additive, wherein the additive is a friction modifier. The additive composition exhibits at least one of reduced thin-film friction and increased fuel efficiency as compared to an additive composition that is devoid of the detergent and the additive. The lubricant composition can be used to lubricate an engine, a transmission or a gear set.

Lubricant compositions

A lubricant composition comprises a base oil and an additive composition comprising: a friction modifier; and a succinimide dispersant, The additive composition exhibits at least one of reduced thin-film friction and increased fuel efficiency as compared to an additive composition that is devoid of the detergent and the additive. The lubricant composition can be used to lubricate an engine, a transmission or a gear set.

METAL ROLLING OILS

EXTREME PRESSURE LUBRICATING COMPOSITION

... 1337360 Extreme pressure lubricants CHEVRON RESEARCH CO 1 June 1972 [1 June 1971] 25699/72 Heading C5F Lubricants comprise an oil, 1-60 wt. per cent of amorphous sodium borate having a particle size of less than 1 Á and 0À5-4 waters of hydration and a dispersant mixture consisting of 40-99À9 wt. per cent of a Group II metal and sulphur containing anionic lipophilic surface-active agent (many examples given, mostly of sulphonates) and 60-0À1 wt. per cent of a lipophilic nonionic surface-active agent (e.g. alkenyl succinimides and pentaerythritol derivatives). Conventional additives may also be present.

METAL-WORKING OIL COMPOSITION

Methacrylate polymers, their production and use

Viscosity improvers and dispersant additives for lubricating oils, diesel oils, furnace oils, hydraulic oils and automatic transmission oils are oil-soluble alkyl polymethacrylates of which the alkyl groups have an average of at least 6 carbon atoms and which have a relative syndiotacticity of at least 87 (see Division C3). The polymers are normally incorporated in mineral or synthetic oils to the extent of at least 0.1% and normally not in excess of 15%. Examples are given of the addition to solvent refined Mid-Continent petroleum lubricating oils, a petroleum lubricating oil with a naphthenic base, a highly paraffinic SAE-10 winter grade petroleum oil and a mineral oil hydraulic fluid of these polymers. Typical polymers are lauryl methacrylate/methyl methacrylate copolymers, and the terpolymers containing also N-vinyl-2-pyrrolidone or vinyloxyethanol.ALSO:An oil-soluble alkyl polymethacrylate of which the alkyl groups have an average of at least 6 carbon atoms having a relative syndiotacticity ...

TERPOLYMER DISPERSANT VI IMPROVER

METAL WORKING LUBRICANTS

POLYMERIC ADDITIVES FOR FUELS AND LUBRICANTS

Unsaturated ureido ethers and polymers thereof

Polymers of vinyloxyureas of the formul CH2 : CHO-A-NRCONHR1 CH2 : CHO-A-NR2CONR1R3 CH2 : CHO-Y-C(R4)(R5)NHCONR1R3 and CH2 : CHO-Z-NHCONR1R3 wherein A is a C2-18 divalent hydrocarbon group with at least 2 carbon atoms between the adjoining ether oxygen and nitrogen atoms or uch a group in which the chain is interrupted by O, N and/or S atoms, provided that in the group -OAN- there are at least 2 carbon atoms between hetero atoms, Z is the same as A except that at least 4 carbon atoms are interposed between the oxygen and nitrogen atoms in the group -OZN-, Y is C1-2 alkylene, R4 and R5 are C1-4 alkyl groups, R is H or a C1-18 hydrocarbon group, R2 is a C1-18 hydrocarbon group, R1 and R3 are C1-24 hydrocarbon groups or are combined with the ureido nitrogen atom to form a morpholino or piperidino group and the hydrocarbon radicals R, R1, R2 and R3 may be optionally substituted by halogens or hydroxy, amino, cyano or nitro groups, or interrupted in the carbon skeleton by O,N and/or S atoms, ...

Improvements in or relating to lubricants

A lubricating composition comprises an oleaginous lubricant and a vinylic filler which consists of substantially rigid particles of a polymeric material derived from the polymerization of one or more ethylenically unsaturated materials. The polymerization is conducted so that there is cross-linking within the particles to such an extent that the particles are substantially completely insoluble in the lubricant. Oleaginous lubricants mentioned are mineral and fatty oils; oils derived from coal tar or from the hydrogenation of coal, peat, asphalt or petroleum residues; olefin polymers and condensation products of these with aromatic hydrocarbons, and oxidation products of such polymers and condensates; voltolization products of fatty oils or unsaturated hydrocarbons; hydrogenated, hydroxylated, epoxidized or oxidized fatty oils; blends of fatty oils with fatty acids or the corresponding mono- or di-glycerides; alkyl esters of mono-or di-carboxylic acids; organic esters of acids of phosphorus ...

Lubricant composition

A lubricating composition suitable for use in internal-combustion engines comprises a major proportion of a lubricating oil and a minor proportion of an oil-soluble mixture of (A) the copolymer of at least one monomer chosen from (1) an aliphatic monocarboxylic acid ester of an unsaturated alcohol, the aliphatic monocarboxylic acid containing up to 30 carbon atoms and the unsaturated alcohol being an a - or b -unsaturated alcohol containing up to 20 carbon atoms; (2) a 1-olefin containing 2-30 carbon atoms; and (3) a vinyl or allyl alkyl or cycloalkyl ether or homologue thereof containing 1-30 carbon atoms in the alkyl or cycloalkyl group, with a monomer chosen from maleic anhydride and an alkyl, cycloalkyl, aryl, alkaryl or aralkyl a ,a 1- or a -substituted maleic anhydride containing up to 20 carbon atoms, the molar ratio of these monomers being from 0.5 : 1.5 to 1.5 : 0.5 and (B) another copolymer of (i) maleic anhydride or an alkyl, cycloalkyl, aryl, alkaryl or aralkyl a ,a 1- or a ...

HYDRAULIC FLUIDS AND VEHICLE SUSPENSION UNITS USING THE FLUIDS

Dispersible hydrophobic thickening agent in water and thickened aqueous composition obtained with this agent.

Compositions of hydrocarbon oils in particular having a fluidity improved at low temperature by the addition of terpolymères.

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

COMPOSITION AND PROCEDURE FOR THE COATING OF METALS WITH LUBRICATION PLASTICS

SYNTHETISCHES, ABSORBIERBARES, MEHRFAEDIGES NAHTMATERIAL MIT VERBESSERTEN VERKNOTUNGSEIGEN- SCHAFTEN

MULTI-FUNCTIONAL GRAFTING POLYMER

LUBRICATING OIL COMPOSITIONS

PROCEDURE FOR LUBRICATING A DRIVE OF MEANS LUBRICANT CONTAINING OLEFIN COPOLYMERS AND ACRYLATE COPOLYMERS

GRAFTING COPOLYMERS AND LUBRICANTS, THIS CONTAINING AS MORE DISPERSE ONES AND VISCOSITY-BETTER

ANTI-NEBULA ADDITIVE FOR WATER-MIXABLE AND WATER-MIXED KÜHLSCHMIERSTOFFE

NITROGENOUS ESTERS OF CARBOXYLGRUPPENHALTIGEN COPOLYMERS.

HYDROPHOBE ASSOCIATIVE COMPOSITION, WHICH CONTAINS A POLYMER OF A WASSERLOESLICHEN MONOMER AND A AMPHIPHILI MONOMER.

POLYMER DISPERSING AGENT WITH ALTERNATIVE POLYALKYLEN AND GROUPS OF AMBER.

SULFURIZIERTE COMPOSITIONS AND THESE CONTAINING AUXILIARY CONCENTRATES AND LUBRICATING OILS.

WITH MINERAL ACIDS TREATED ONE, NITROGENOUS DISPERSING AGENTS AND THESE CONTAINING LUBRICANTS.

DISPERSION OF HALIDES THE RARE GROUND CONNECTION IN WAESSRIGEM MEDIUM.

VISCOSITY INDEX-IMPROVING DISPERSING ADDITIVE FOR OELE ON BASIS OF A AETHYLENCOPOLYMERS.

CHIRURGISCHES NAHTMATERIAL MIT VERBESSERTEN VERKNOTUNGSEIGENSCHAFTEN UND ABSORBIERBARE BESCHICHTUNGSZUBEREITUNG HIEFUR

COPOLYMERS AS WELL AS THEIR REACTION PRODUCTS WITH AMINES AS FUEL AND LUBRICANT ADDITIVE

A MIXTURE FROM DIFFERENT VISCOSITY CHANGE MEANS ABSTENTION AND THE REQUIREMENTS PIECE OF BROKEN GLASS-CONSTANTNESS EQUIVALENT ALL-WEATHER HYDRAULIC OIL

DISPERSING AGENTS AS WELL AS MEANS FOR THE IMPROVEMENT OF THE VISCOSITY INDEX OUT SELECTIVELY HYDROGENATED POLYMERS.

PROCEDURE FOR THE PRODUCTION OF A LIQUID POLYMER COMPOSITION AS WELL AS USE OF THIS COMPOSITION

SURGICAL SEAM MATERIAL WITH IMPROVED INTERLOCKING CHARACTERISTICS AND ABSORB-CASH COATING PREPARATION HIEFUER

GEL-FREE ALPHA DEFINDISPERGIERZUSAETZE ONE USABLE INTO OELHALTIGE COMPOSITIONS

LUBRICANT ADDITIVES

Procedure for the production of oil-soluble copolymers

Procedure for the production of oil-soluble Pfropfcopolymerer with Dispergierwirkung

PROCEDURE FOR THE PRODUCTION OF POLAR OF GRAFTED POLYOLEFINS

POLYMER EMULSIONS WITH BIMODALER MOLECULAR WEIGHT DISTRIBUTION

COMPOSITIONS, CONTAINING AMINI ANTIOXIDANTIEN ON BASIS OF n (4 - ANILINOPHENYL) AMIDES

Use of Organosilanen as form lubricants

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

PHOSPHORUS SALTS OF NITROGENOUS KOPOLYMEREN AND THESE CONTAINING LUBRICANTS

POLYOXYETHYLENE ESTER OF ITACONIC ACID COPOLYMERISED WITH ACRYLIC ACID OR ACRYLAMIDE

CARBOXYLIC ACID GRAFTED ETHYLENE-ALPHA-OLEFIN COPOLYMER USEFUL AS A VISCOSITY INDEX IMPROVER-DISPERSANT

LUBRICANT COMPOSITIONS

POLYMERIC COMPOSITIONS, TRANSMISSION, AND HYDRAULIC FLUIDS CONTAINING SAID COMPOSITIONS

IMPROVED MULTIFUNCTIONAL VISCOSITY INDEX MODIFIER ADDITIVES DERIVED FROM AMIDO AMINES

Star polymers and compositions thereof

Polymer compositions of improved compatibility in oil

LUBRICANT COMPOSITIONS

Lubricant system and method of forming the same

A lubricant system is disclosed that is formed by contacting a fibrous network with oil and/or lubricating fluid having an affinity for the fibrous network. The fibrous network comprises oleophilic fibers having a diameter between 50 nm and 10 microns and a length that is at least times the diameter. In addition, the oleophilic fibers have an affinity for the oil and/or lubricating fluid.

Apparatus for use in a system containing a lubricating fluid and method of forming the same

An apparatus is disclosed for use in a system containing at least one of an oil and a lubricating fluid. The apparatus comprises a surface in need of lubrication during operation of the apparatus, and oleophilic fibers disposed on the surface. The oleophilic fibers have a diameter between 50 nm and 10 microns and a length that is at least 5 times the diameter. In addition, the oleophilic fibers have an affinity for at least one of the oil and the lubricating fluid.

Hydrophilic composition for use with a lubricating system as well as an apparatus and method for using the same

A hydrophilic composition for use with a lubricating system comprises hydrophilic fibers having a diameter between 50 nm and 10 microns and a length that is at least 5 times the diameter. The hydrophilic fibers having a strong affinity for at least one of water and other hydrophilic fluids and may remove or eliminate free or dissolved water in a lubricating system comprising at least one of an oil and a lubricating fluid.

LIQUID COMPOSITIONS FOR HAIR REMOVAL DEVICES COMPRISING METATHESIZED UNSATURATED POLYOL ESTERS

The invention relates to liquid compositions for use with hair removal devices comprising a metathesized unsaturated polyol ester for improved lubrication. 1. A composition-dispensing hair removal device , the device comprising a composition comprising from 0.1% to 60 by weight of a metathesized unsaturated polyol ester , the metathesized unsaturated polyol ester having a free hydrocarbon content , based on total weight of the metathesized unsaturated polyol ester , of from 0.1% to 5% , and having at least one of:(i) a weight average molecular weight of from 5,000 Daltons to 50,000 Daltons;(ii) an iodine value of from 30 to 200; or(iii) an oligomer index from greater than 0 to 1.2. The device according to claim 1 , wherein the metathesized unsaturated polyol ester has a weight average molecular weight of from about 5 claim 1 ,000 Daltons to about 50 claim 1 ,000 Daltons.3. The device according to claim 1 , wherein the metathesized unsaturated polyol ester has an iodine value of from about 30 to about 200.4. The device according to claim 1 , wherein the metathesized unsaturated polyol ester has an oligomer index from about 0.001 to 1.5. The device according to claim 1 , wherein the metathesized unsaturated polyol ester is metathesized at least once.6. The device according to claim 1 , wherein the metathesized unsaturated polyol ester is derived from at least one of a natural polyol ester or a synthetic polyol ester claim 1 , wherein the natural polyol ester is selected from the group consisting of a vegetable oil claim 1 , an animal fat claim 1 , an algae oil claim 1 , and mixtures thereof; and the synthetic polyol ester is derived from a material selected from the group consisting of ethylene glycol claim 1 , propylene glycol claim 1 , glycerol claim 1 , polyglycerol claim 1 , polyethylene glycol claim 1 , polypropylene glycol claim 1 , poly(tetramethylene ether) glycol claim 1 , pentaerythritol claim 1 , dipentaerythritol claim 1 , tripentaerythritol claim 1 , ...

Liquid compositions for hair removal devices comprising metathesized unsaturated polyol esters

The invention relates to liquid compositions for use with hair removal devices comprising a methathesized unsaturated polyol ester for improved lubrication.

Compositions of thermoassociative additives with controlled association and lubricant compositions containing them

The present disclosure relates to novel compositions of additives that result from mixing at least two thermoassociative and exchangeable copolymers and at least one compound for controlling the association of these two copolymers. A lubricant composition results from mixing at least one lubricating base oil, at least two thermoassociative and exchangeable copolymers and at least one compound for controlling the association of these two copolymers. The present disclosure also relates to a process for modulating the viscosity of a lubricant composition that results from mixing at least one lubricating base oil, at least two thermoassociative and exchangeable copolymers; as well as the use of a diol compound for modulating the viscosity of a lubricant composition.

Durable surface coatings

Described herein are durable coatings, i.e. for medical devices, and methods of forming the coatings.

STABLE LUBRICANT EMULSION

A stable lubricant emulsion composition for use in engine and gear applications is provided. The emulsion includes a base petroleum oil, an aqueous salt solution that functions as a friction/wear modifier, and a polymeric non-ionic surfactant composition having a hydrophilic-lipophilic balance value in the range of 2.5 to 7 and an average molecular weight in the range of 1,000 to 3,000. The surfactant composition may include a polyester surfactant, a PIB succinimide surfactant, a PIB amine surfactant, or a mixture thereof. 1. A lubricant composition , said composition comprising a water-in-oil emulsion comprising:a base oil;a friction modifier in the form of an aqueous salt solution; and 'wherein the dispersant has an average molecular weight in the range of 1,000 to 3,000 and a hydrophilic-lipophilic balance value in the range of 2.5 to 7.', 'a polymeric dispersant in an amount effective to form a stable emulsion,'}2. The lubricant composition of claim 1 , wherein the dispersant has a hydrophilic-lipophilic balance value in the range of 4 to 6.3. The lubricant composition of claim 1 , wherein the dispersant has an average molecular weight in the range of 1 claim 1 ,000 to 2 claim 1 ,000.4. The lubricant composition of claim 1 , wherein the dispersant comprises a polyester surfactant claim 1 , a PIB succinimide surfactant claim 1 , a PIB amine surfactant claim 1 , or a mixture thereof.5. The lubricant composition of claim 1 , wherein the dispersant comprises a polyester surfactant mixed with a PIB succinimide surfactant.6. The lubricant composition of claim 1 , wherein the dispersant comprises a polyester surfactant mixed with a PIB amine surfactant.7. The lubricant composition of claim 1 , wherein the emulsion is stable for at least six weeks.8. A method for formulating a water-in-oil emulsion comprising: a base oil; a friction modifier in the form of an aqueous salt solution; and a polymeric dispersant having an average molecular weight in the range of 1 claim 1 , ...

LUBRICATING COMPOSITION WITH ENHANCED FILTERABILITY

A lubricating oil composition that includes a highly paraffinic base oil, a controlled release friction modifier (CRFM) and an effective amount of detergent. The CRFM includes an ionic tetrahedral borate compound comprising a cation and a tetrahedral borate anion which includes a boron atom, the boron atom having two bidentate di-oxo ligands of Ctartrimide. The CRFM is a high stabilizer CRFM. The detergent includes a mixed magnesium and calcium detergent system having a calcium to magnesium ratio of less than 2:1. 1. A lubricating oil composition , comprising:a base oil comprising a highly paraffinic base oil; a tetrahedral borate anion having a boron atom with two bidentate di-oxo ligands both being a linear C18-tartrimide,', 'a first dispersant comprising a conventional ammonium substituted polyisobutenyl succinimide compound having a polyisobutenyl number average molecular weight of 750 to 2,500, and', 'a second dispersant comprising an ammonium substituted polyisobutenyl succinimde compound having an N:CO ratio of 1.8 and a polyisobutylenyl number average molecular weight of 750 to 2,500; and, 'a controlled release friction modifier (CRFM), includingan effective amount of a detergent.2. The lubricating oil composition of claim 1 , wherein the detergent comprises a mixed magnesium and calcium detergent system.3. The lubricating oil composition of claim 2 , wherein the mixed magnesium and calcium detergent system has a ratio of calcium to magnesium of less than 2:1.4. The lubricating oil composition of claim 2 , wherein the mixed magnesium and calcium detergent system has a calcium:magnesium ratio of 1.44:1.5. The lubricating oil composition of claim 1 , wherein the CRFM is a high stabilizer CRFM.6. The lubricating oil composition of claim 2 , wherein the CRFM is a high stabilizer CRFM.7. The lubricating oil composition of claim 1 , wherein the CRFM is present in a range of about 2 to 8 wt % claim 1 , based on the total weight of the composition.8. The lubricating ...

Composition Containing a Block Copolymer and a Method of Lubricating an Internal Combustion Engine

The invention provides a lubricating composition containing an oil of lubricating viscosity and a block copolymer. The block copolymer may contain (a) a hydrophobic first block having Calkyl (meth)acrylic units, wherein at least 50 wt % of the Calkyl (meth)acrylic units are Calkyl (meth)acrylic units, and up to 50 wt % of the Calkyl (meth)acrylic units are Calkyl (meth)acrylic units, with the proviso that alkyl groups of the Calkyl (meth)acrylic units have an average total number of carbon atoms of at least 8; and (b) a second block having (meth)acrylic units further having a heteroatom-containing group providing a polar group. The invention further relates to a method of lubricating an internal combustion engine by lubricating the engine with the lubricating composition. The invention further relates to the use of the block copolymer as an emulsifier and/or pour point depressant. 128-. (canceled)29. A method of operating an internal combustion engine of a vehicle fueled with a mixed gasoline/alcohol fuel , comprising supplying to the engine a lubricating composition comprising an oil of lubricating viscosity and a block copolymer having emulsifier properties , wherein the block copolymer comprises a diblock comprising:{'sub': 1-30', '1-30', '12-18', '1-30, '(a) a hydrophobic first block having Calkyl (meth)acrylic units, wherein the Calkyl (meth)acrylic units comprise Calkyl methacrylic units, with the proviso that alkyl groups of the Calkyl methacrylic units have an average total number of carbon atoms of at least 8; and'}{'sub': '12-18', '(b) a second block having Calkyl methacrylic units which further have a non-carbonyl heteroatom-containing group providing a polar group to such units, the heteroatom-containing group derived from a nitrogen-containing group, whereby said second block exhibits greater hydrophilicity than does the hydrophobic first block,'}wherein the mixed gasoline/alcohol fuel contains from 5 wt % to 85 wt % alcohol.30. The method of claim 29 , ...

Polymeric Surfactants for Improved Emulsion and Flow Properties at Low Temperatures

A polymer surfactant for improving engine oil emulsion properties of a lubricating composition mixed with water and/or fuel contamination, particularly at very cold temperatures, is described herein. In approaches, selected polymeric and functionalized compounds can impart both robust emulsion properties and simultaneously deliver good low temperature fluidity for lubricating compositions that may contain residual amounts of water and/or fuel contamination. Lubricating compositions including such surfactants demonstrate robust properties at temperatures down to about −30° C.

Process for Preparing Polymers and Compositions Thereof

The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerisable monomer, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerisation inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions and uses for the polymer. 1. A composition comprising an oil of lubricating viscosity and a star polymer derived from at least two monomers comprising:(a) at least 50 wt % of a mixture of C12 to C15 alkyl substituted (meth)acrylate monomers; and(b) less than 50 wt % of an alkyl (meth)acrylate monomer containing 1 to 30 carbon atoms in the alkyl group, other than the C12 to C15 alkyl substituted (meth)acrylate monomer;(c) optionally containing less than 20 wt % styrene; and(d) optionally containing less than 10 wt % alkyl methacrylamide, wherein the star-polymer has about 7 to about 50 arms present on the star polymer, and wherein the star polymer is prepared by a reversible addition-fragmentation chain transfer controlled radical polymerisation process.2. The composition of claim 1 , wherein the star polymer is derived from at least two monomers consisting essentially of:(a) at least 50 wt % of a mixture of C12 to C15 alkyl substituted (meth)acrylate monomers; and(b) less than 50 wt % of an alkyl (meth)acrylate monomer containing 1 to 30 carbon atoms in the alkyl group, other than the C12 to C15 alkyl substituted (meth)acrylate monomer.3. The composition of claim 1 , wherein the star polymer is derived from at least two monomers comprising:(a) at least 50 wt % of a mixture of C12 to C15 alkyl substituted (meth)acrylate monomers; and(b) less than 50 wt % of an alkyl (meth)acrylate monomer containing 1 to 30 carbon atoms in the alkyl group, ...

Polymeric-inorganic nanoparticle compositions, manufacturing process thereof and their use as lubricant additives

The invention relates to polymeric-inorganic nanoparticle compositions and preparation processes thereof. The invention also relates to an additive and lubricant composition comprising these polymeric-inorganic nanoparticle compositions, as well as to the use of these polymeric-inorganic nanoparticle compositions in an oil lubricant formulation to improve tribological performance, in particular to improve anti-friction performance on metal parts.

Entry sheet for drilling use

The present invention relates to an entry sheet for drilling use, which exhibits excellent hole position accuracy even when transported at ambient temperature for a long time and/or stored under a thermal environment having a higher temperature than in Japan, more specifically to an entry sheet for drilling use for a laminated board or a multi-layered board comprising a metallic support foil and a layer of water-soluble resin composition formed on at least one surface of the metallic support foil, wherein the water-soluble resin composition comprises a water-soluble resin, a water-soluble lubricant and a linear unsaturated fatty acid salt, the layer of water-soluble resin composition is formed by cooling from a cooling start temperature of 120° C. to 160° C. to a cooling end temperature of 25° C. to 40° C. within 60 seconds at a cooling rate of not less than 1.5° C./sec, the water-soluble resin composition has a degree of crystallinity of not less than 1.2, the layer of water-soluble resin composition has a standard deviation σ of surface hardness of not more than 2, and a surface hardness of not less than 8.5 to not more than 25 N/mm 2 .

Lubricant Compositions Including Alpha-Olefin Copolymers

A lubricant composition may include a copolymer having constitutional units formed from monomers including an alpha-olefin and an α-ester-alk-ω-ene molecule, where the composition has a kinematic viscosity at 100° C. of at most 20 centistokes, or of at least 40 centistokes. A lubricant composition may include a copolymer having constitutional units formed from monomers including an alpha-olefin, an α-ester-alk-ω-ene molecule and an α-(carboxylic acid)-alk-ω-ene molecule, where the composition has a viscosity that varies as the molar ratio of the α-ester-alk-ω-ene molecule α-(carboxylic acid)-alk-ω-ene molecule in the monomers varies.

Lubricating compositions having improved shear stability

A lubricating composition with improved shear stability having a kinematic viscosity (Kv 100 ) from 5 to 32.5 cSt at 100° C., and a viscosity index from 140 to 200. The lubricating composition includes: a bi-modal blend lubricating oil including from 20 to 99 weight percent of a low viscosity basestock having a Kv 100 from 2 to 8 cSt at 100° C., and from 1 to 20 weight percent of a high viscosity basestock having a Kv 100 from 40 to 600 cSt at 100° C.; a viscosity modifier including a copolymer having units derived from monomers of (i) an α-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof esterified with an alcohol; and an alkylated aromatic co-base stock in an amount from 1 to 8 weight percent and having a Kv 100 from 3 to 15 cSt at 100° C.

CATECHOL-CONTAINING ADHESIVE HYDROGEL, COMPOSITION FOR PREPARING ADHESIVE HYDROGEL, AND COMPOSITIONS EACH INCLUDING SAID ADHESIVE HYDROGEL

A hydrogel that adheres to the surface of materials is provided by using as constituent elements a water-soluble main chain monomer, crosslinking agent, polymerization initiator, and adhesive monomer having at least a catechol group in a side chain. 121-. (canceled)22. A composition for preparing adhesive hydrogel includinga water-soluble main chain monomer,a crosslinking agent,a polymerization initiator,an adhesive monomer having a catechol group in a side chain, andwater.231. The composition for preparing adhesive hydrogel according to claim wherein the catechol group is derived from DOPA or a derivative thereof.241. The composition for preparing adhesive hydrogel according to claim wherein the water-soluble main chain monomer is a vinyl group-containing monomer.251. The composition for preparing adhesive hydrogel according to claim wherein at least one hydrogen of the catechol group is substituted by a substituent selected from a hydroxyl group , nitro group , carboxy group , and carbonyl group.261. The composition for preparing adhesive hydrogel according to claim that also includes an electrolyte and/or a polar solvent.271. The composition for preparing adhesive hydrogel according to claim wherein the crosslinking agent is a crosslinking agent capable of introducing a three-dimensional crosslinked structure by polymerizable double bonds.281. An adhesive including the composition for preparing adhesive hydrogel according to claim .297. An adhesive containing a hydrogel wherein the adhesive of claim is used asa one-component adhesive where the water-soluble main chain monomer, crosslinking agent, polymerization initiator, and adhesive monomer are included in one componentor a two-component adhesive where the water-soluble main chain monomer, crosslinking agent, and adhesive monomer are included in a first component and the polymerization initiator is included in a second component.307. A medical adhesive wherein the adhesive according to claim is used to adhere ...

Fuel efficient lubricating oils

The present invention relates to an engine oil lubricant composition for use in internal combustion engines comprising one or more molybdenum containing compounds that deliver 1-1000 ppm molybdenum to the finished oil, one or more phosphorus containing compounds that deliver 25-650 ppm phosphorus to the finished oil, and one or more poly(meth)acrylate viscosity index improvers (VI improvers) that may or may not be functionalized, for improved fuel economy and turbocharger related deposits. In addition, the composition comprises an antioxidant system which is carefully balanced to provide improved fuel economy, comprising an aminic antioxidant, a phenolic antioxidant and an ashless dithiocarbamate. Additionally, the formulated oil may contain a dispersant poly(meth)acrylate, in addition to the PAMA VI improver, to reduce the amount of traditional succinimide dispersants.

UV Cure Basecoatings For Medical Devices

The invention concerns coating composition comprising hydrophobic polymer for use as a photoreactive basecoat for a medical device or implant comprising a polymer made from monomers comprising: (a) 1 to 12 mol % of at least one photoactive monomer that is a hydrogen atom abstracter and (b) 99 to 88 mol % of one or more of acrylamides, methacrylamides, acrylates, methacrylates, and N-vinylpyrrolidone; wherein the polymer has a glass transition temperature (Tg) of less than 40° C.

LUBRICATING OIL COMPOSITION

The present invention provides a lubricating oil composition including a viscosity index improver (A) containing a comb-shaped polymer and having an SSI (shear stability index) of 30 or less together with a base oil, wherein an HTHS viscosity (high temperature high shear viscosity) at 150° C. (T) is 1.6 to 2.9 mPa·s, and a ratio of a kinematic viscosity at 40° C. (V) [mm/s] to the HTHS viscosity at 150° C. (T) [mPa·s] (V/T) is 12.4 or less. The lubricating oil composition of the present invention is excellent in fuel consumption reducing properties in a low-temperature region assuming the time of starting an engine while making various properties, such as a viscosity, etc., in a high-temperature region assuming the time of high-speed operation of an engine favorable. 1. A lubricating oil composition , comprisinga viscosity index improver (A) containing a comb-shaped polymer and having a shear stability index of 30 or less, anda base oil,wherein{'sup': '2', 'a high temperature high shear viscosity at 150° C. is 1.6 to 2.9 mPa·s, and a ratio of a kinematic viscosity at 40° C. in mm/s to the high temperature high sheer viscosity at 150° C. is 12.4 or less.'}2. The lubricating oil composition according to claim 1 , wherein a content of the comb-shaped polymer is 0.01 to 10.00 mass % based on a total amount of the lubricating oil composition.3. The lubricating oil composition according to claim 1 , wherein a weight average molecular weight of the comb-shaped polymer is 10 claim 1 ,000 to 1 claim 1 ,000 claim 1 ,000.4. The lubricating oil composition according to claim 1 , wherein a molecular weight distribution Mw/Mn of the comb-shaped polymer claim 1 , where Mw represents a weight average molecular weight of the comb-shaped polymer claim 1 , and Mn represents a number average molecular weight of the comb-shaped polymer claim 1 , is 6.00 or less.5. The lubricating oil composition according to claim 1 , wherein the comb-shaped polymer is a polymer comprising at least a ...

SLIDING SPLINE SHAFT DEVICE

A sliding spline shaft device of the present invention includes a male spline and a female spline that is fitted to the male spline in an axially slidable manner, and at least one of the splines has a surface processed layer. The surface processed layer includes an undercoat layer, an intermediate layer containing phosphate, and a topcoat layer containing solid lubricant, in this order. The undercoat layer contains iron nitride and/or iron carbide. Thus, the surface of a base material has high hardness. As a result, microscopic deformation of the sliding surface is reduced, and increase in a real contact area is suppressed, whereby stick-slip is prevented. 17.-. (canceled)8. A sliding spline shaft device for an automobile comprising a male spline and a female spline that is fitted to the male spline in an axially slidable manner ,whereinat least one of the splines has a surface processed layer;the surface processed layer includes,an undercoat layer,an intermediate layer containing a phosphate, anda topcoat layer containing a solid lubricant and a binder resin, in this order; andthe undercoat layer includes a diffusion layer and a compound layer containing an iron nitride, andthe compound layer is porous.9. The sliding spline shaft device for an automobile according to claim 8 , wherein the undercoat layer has Vickers hardness (HV) of 500 HV0.1 or greater.10. The sliding spline shaft device for an automobile according to claim 8 , wherein the undercoat layer is formed only to one of the male spline and the female spline claim 8 , the one has a base material with a lower surface hardness than the other one.11. The sliding spline shaft device for an automobile according to claim 8 , wherein a total average film thickness of the intermediate layer and the topcoat layer is 20 μm or less.12. The sliding spline shaft device for an automobile according to claim 8 , wherein the solid lubricant contains at least one of molybdenum disulfide particles or graphite particles and ...

Multi-Functional Olefin Copolymers and Lubricating Compositions Containing Same

A functionalized polymer for use in a lubricant composition. The functionalized polymer includes a reaction product of a hydrocarbon polymer grafted with an acylating agent that is reacted with both: i) a hydrocarbyl substituted poly(oxyalkylene) amine and/or a poly(oxyalkylene) alcohol and ii) a polyamine. Also disclosed are a lubricating composition containing the functionalized polymer and a method of lubricating and operating an engine employing the lubricating composition that contains the functionalized polymer. The functionalized polymers may be used as viscosity modifiers and/or to provide lubricating oils have a set of properties that lead to a higher predicted fuel economy.

CATECHOL-CONTAINING ADHESIVE HYDROGEL, COMPOSITION FOR PREPARING ADHESIVE HYDROGEL, AND COMPOSITIONS EACH INCLUDING SAID ADHESIVE HYDROGEL

A hydrogel that adheres to the surface of materials is provided by using as constituent elements a water-soluble main chain monomer, crosslinking agent, polymerization initiator, and adhesive monomer having at least a catechol group in a side chain. 1. A composition for preparing adhesive hydrogel includinga water-soluble main chain monomer,a crosslinking agent,a polymerization initiator,an adhesive monomer having a catechol group in a side chain, andwater,wherein the adhesive monomer is added in a proportion of 5% or more to the total number of mol of the main chain monomer and the adhesive monomer,and wherein all of the catechol groups of the adhesive monomer can participate in adhesion to a substrate and the hydrogel has a structure in which the catechol groups are present in the polymer in a free state.2. The composition for preparing adhesive hydrogel according to claim 1 , wherein the adhesive monomer is added in a proportion of 8% or more to the total number of mol of the main chain monomer and the adhesive monomer.3. The composition for preparing adhesive hydrogel according to claim 1 , wherein the catechol group is derived from DOPA or a derivative thereof.4. The composition for preparing adhesive hydrogel according to claim 1 , wherein the water-soluble main chain monomer is a vinyl group-containing monomer.5. The composition for preparing adhesive hydrogel according to claim 1 , further comprising an electrolyte and/or a polar solvent.6. The composition for preparing adhesive hydrogel according to claim 1 , wherein the crosslinking agent is a crosslinking agent capable of introducing a three-dimensional crosslinked structure by polymerizable double bonds.7. An adhesive comprising the composition for preparing adhesive hydrogel according to .8. The adhesive according to claim 7 , which is used as:a one-component adhesive wherein the water-soluble main chain monomer, crosslinking agent, polymerization initiator, and adhesive monomer are included in one ...

FRICTION REDUCER FOR HYDRAULIC FRACTURING

Compositions comprising an acrylamide polymer emulsion and a nonionic surfactant suitable for use as friction reducers for hydraulic fracturing are disclosed. The nonionic surfactants include aralkylated phenol ethoxylates, amine ethoxylates, amidoamine ethoxylates, linear or branched alcohol EO/PO alkoxylates, ethoxylated alcohols, alkylphenol ethoxylates, and EO-capped poly(oxypropylene) block copolymers. Improved hydraulic fracturing processes in which an acrylamide polymer emulsion is used as a friction reducer are also described. In these processes, the surfactant is included in the composition with the acrylamide polymer friction reducer, or it is introduced separately into the process. The performance of low-cost polyacrylamide friction reducers can be boosted with a small proportion of certain readily available nonionic surfactants. The inventive compositions are effective in high-salinity environments, and their performance can sometimes exceed that of more-expensive salt-tolerant friction reducers, thereby reducing fresh water demand and enabling greater utilization of produced water. 1. A composition suitable for use as a friction reducer for hydraulic fracturing , comprising:(a) an acrylamide polymer emulsion; and (i) aralkylated phenol ethoxylates;', {'sub': 12', '22', '12', '22, '(ii) C-Camine ethoxylates or C-Camidoamine ethoxylates;'}, {'sub': 8', '18, '(iii) alkoxylates of linear or branched C-Calcohols, the alkoxylates having 10 to 90 mole % of oxyethylene units and 10 to 90 mole % of oxypropylene units, wherein the mole % values are based on the combined amounts of oxyethylene and oxypropylene units;'}, {'sub': 12', '15, '(iv) ethoxylated C-Calcohols having a calculated HLB value within the range of 13 to 16;'}, {'sub': 8', '16, '(v) alkylphenol ethoxylates having a C-Calkyl group and an average of 8 to 25 oxyethylene units; and'}, '(vi) ethylene oxide-capped poly(oxypropylene) block copolymers having a calculated HLB value within the range of 13 ...

Corrosion inhibitors for fuels and lubricants

The present invention relates to novel uses of corrosion inhibitors in fuels and lubricants.

Viscosity Modifiers For Improved Fluoroelastomer Seal Performance

A lubricant composition of (a) an oil of lubricating viscosity; (b) a poly(meth)acrylate ester polymer comprising 0.5 to 5 weight percent of amine nitrogen-containing dispersant monomer units and (c) an esterified copolymer with a backbone comprising units derived from (i) an α-olefin monomer of at least about 6 carbon atoms, (ii) an ethylenically unsaturated carboxylic acid or derivative thereof, further containing nitrogen functionality in groups pendant from the copolymer backbone, provides a good combination of seal performance and oxidation resistance. 2. The lubricant composition of wherein the amount of the poly(meth)acrylate polymer (b) is about 2 to about 30 percent by weight and the amount of the esterified copolymer (c) is about 1 to about 45 percent by weight.3. The lubricant composition of wherein the amount of the esterified copolymer (c) is about 10 to about 45 percent by weight.4. The lubricant composition of wherein the total amount of the poly(meth)acrylate ester polymer (b) plus the esterified copolymer (c) is about 3 to about 65 percent by weight.5. The lubricant composition of wherein the total amount of the poly(meth)acrylate ester polymer (b) plus the esterified copolymer (c) is about 15 to 60 or about 25 to about 60 percent by weight.6. The lubricant composition of wherein the poly(meth)acrylate ester polymer (b) further comprises monomer units of one or more C1 to C5 alkyl (meth)acrylates.7. The lubricant composition of wherein the poly(meth)acrylate ester polymer (b) comprises monomer units of C6 to C10 alkyl (meth)acrylates and C12 to C18 alkyl (meth)acrylates.8. The lubricant composition of wherein the poly(meth)acrylate ester polymer (b) comprises monomer units of C12 to C15 alkyl(meth)acrylates.9. The lubricant composition of wherein the poly(meth)acrylate ester copolymer (b) comprises monomer units of dimethylaminopropyl methacrylamide or dimethylaminoethyl methacrylate.10. The lubricant composition of wherein the poly(meth)acrylate ...

METHOD FOR PRODUCING MEDICAL DEVICE AND MEDICAL DEVICE

A method for producing a medical device, and a medical device are provided, and the production method includes a step of heating a device together with a solution containing a polymer having the following repeating unit (A) and the following repeating unit (B), or a step of bringing a device into contact with a heated product of a solution containing a polymer having the following repeating unit (A) and the following repeating unit (B): 1. A method for producing a medical device , the method comprising:heating a device together with a solution comprising a polymer having the following repeating unit (A) and the following repeating unit (B); or (A) hydrophilic repeating unit; and', '(B) a repeating unit having a polyoxyalkylene group in a side chain, the terminal of the side chain comprising an alkyl group having 5 to 30 carbon atoms, an alkanoyl group having 5 to 30 carbon atoms, or an aryl group having 6 to 30 carbon atoms., 'bringing a device into contact with a heated product of a solution comprising a polymer having the following repeating unit (A) and the following repeating unit (B)2. The method for producing a medical device according to claim 1 , wherein the repeating unit (A) is at least one selected from the group consisting of a repeating unit (A-1) having a polyoxyalkylene group in a side chain claim 1 , the terminal of the side chain being composed of a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; a repeating unit (A-2) having an ammonioalkyl phosphate group at the terminal of a side chain; a repeating unit (A-3) having an amide group in a side chain; a repeating unit (A-4) having a heterocyclic ring containing nitrogen and oxygen claim 1 , at the terminal of a side chain; a repeating unit (A-5) having a lactam in a side chain; a repeating unit (A-6) having a betainic group at the terminal of a side chain; an anionic repeating unit (A-7); and a cationic repeating unit (A-8).4. The method for producing a medical device according to claim 1 ...

Viscosity index improver and lubricating oil composition

A viscosity index improver comprising a copolymer having a unit (a) derived from a maleimide monomer and a unit (b) derived from a macromonomer, wherein viscosity measured by the following method is 8000 mPa·s or less. Viscosity measurement method: A solution composed of 78 mass % of a Group III base oil (viscosity index: 122, kinematic viscosity at 40° C.: 19.6 mm 2 /s) on the American Petroleum Institute (API) classification and 22 mass % of the copolymer is measured with a viscometer (TVB-10 manufactured by Toki Sangyo Co., Ltd., rotor: SPINDLE No. M3, rotation speed: 6 rpm) at 25° C.

Friction reducer compositions

A composition for treating an aqueous fluid includes an ionic polyacrylamide and a silicon polyether. The composition can be an oil-in-water emulsion or a water-in-oil emulsion. The ionic polyacrylamide can he an anionic polyacrylamide or a cationic polyacrylamide. The composition can he employed, for example, as a friction reducing additive for water based fracturing fluid, or a drilling mud additive.

CORN SYRUP, AN INVERSION AID FOR WATER-IN-OIL POLYMER EMULSIONS

The present invention generally relates to the method of using corn syrup to improve the inversion properties of water-in-oil (w/o) friction reducing polymers. 1. A method of inverting a water-in-oil emulsion comprising contacting an aqueous liquid with water-in-oil emulsion comprising a polymer and a corn syrup , whereby the water-in-oil emulsion inverts and releases the polymer.2. The method of whereby friction of an aqueous liquid flowing in a pipe is reduced.3. The method of claim 2 , wherein the water-in-oil emulsion further comprises a surfactant claim 2 , a stabilizer claim 2 , or a combination thereof.4. The method of claim 1 , wherein the corn syrup is added to the water-in-oil emulsion at a concentration from about 1 wt. % to about 50 wt. %.5. The method of claim 4 , wherein the corn syrup is added to the water-in-oil emulsion at a concentration from about 5 wt. % to about 25 wt. %.6. The method of claim 1 , wherein the aqueous liquid comprises a high salinity brine claim 1 , water claim 1 , purified water claim 1 , produced water claim 1 , or a combination thereof.7. The method of claim 1 , wherein the polymer is derived from an anionic monomer claim 1 , a cationic monomer claim 1 , a nonionic monomer claim 1 , or a combination thereof.8. The method of claim 7 , wherein the anionic monomer comprises acrylic acid claim 7 , methacrylic acid claim 7 , maleic acid claim 7 , itaconic acid claim 7 , 2-propenoic acid claim 7 , 2-methyl-2-propenoic acid claim 7 , 2-acrylamido-2-methyl propane sulfonic acid claim 7 , sulfopropyl acrylic acid claim 7 , sulphomethylated acrylamide claim 7 , allyl sulphonic acid claim 7 , vinyl sulphonic acid claim 7 , a quaternary salt of acrylic acid claim 7 , a quaternary salt of methacrylic acid claim 7 , acrylamidoglycolic acid claim 7 , -allyloxy-2-hydroxy-1-propanesulfonic acid claim 7 , dialkyl aminoethyl acrylate claim 7 , styrene sulfonic acid claim 7 , 2-acrylamido-2-methylpropane phosphonic acid claim 7 , an acid or salt ...

LOW PARTICULATE LUBRICIOUS COATING WITH VINYL PYRROLIDONE AND ACIDIC POLYMER-CONTAINING LAYERS

Embodiments of the disclosure include lubricious coatings. In an embodiment the disclosure includes a lubricious coating for a medical device including first and second coated layers. The first coated layer is between the second coated layer and the device surface and includes a vinyl pyrrolidone polymer and a photo reactive group. The second coated layer is in direct contact with the first coated layer and is a top coating that includes an acrylic acid polymer. The second coated layer can optionally include photoreactive groups. The coating was found to have a very low number of particulates (e.g., 10 μm or greater) which is very desirable for in vivo use. 1. A lubricious coating comprising:a first coated layer comprising a vinyl pyrrolidone polymer and photoreactive groups, wherein the photoreactive groups are pendent from the vinyl pyrrolidone polymer or on a first cross-linking agent comprising at least two photoreactive groups, or both; anda second coated layer that is a top coating comprising an acrylic acid polymer, wherein the second coated layer is in direct contact with the first coated layer, wherein the first coated layer is between the second coated layer and a substrate surface.2. The coating of wherein the second coated layer further comprises an acrylamide polymer comprising at least one photo reactive group.3. The coating of wherein the acrylamide polymer comprises acrylamide- claim 2 , sulfonate- claim 2 , and alkylene oxide-containing subunits.4. The coating of claim 2 , wherein the vinyl pyrrolidone polymer and the acrylamide polymer are present in the coating at a weight ratio in the range of approximately 3:1 to 1:3 (wt./wt.) claim 2 , respectively.5. The coating of claim 2 , wherein the acrylic acid polymer and the acrylamide polymer are present in the coating at a weight ratio in the range of approximately 2:1 to 1:2 (wt./wt.) claim 2 , respectively6. The coating of comprising a first or second cross-linking reagent claim 1 , wherein at least ...

LUBRICATING OIL COMPOSITION

Provided is a lubricating oil composition to be used in an internal combustion engine having a sliding mechanism including a piston ring and a liner, the lubricating oil composition including: a base oil; (A) a poly(meth)acrylate; and (B) an organic molybdenum compound, in which: (A) the poly(meth)acrylate contains a polymer (A1) including a repeating unit derived from a (meth)acrylate represented by the following formula (1) and having a mass-average molecular weight of from 1,000 to 500,000; and a content of (B) the organic molybdenum compound in a total amount of the composition is from 0.01 mass % to 0.2 mass % in terms of a molybdenum atom: wherein Rrepresents a hydrogen atom or a methyl group, and X represents a hydrogen atom, a hydrocarbon group having 1 to 60 carbon atoms, or a functional group-containing hydrocarbon group having 1 to 60 carbon atoms.

POLYMERIC-INORGANIC NANOPARTICLE COMPOSITIONS, MANUFACTURING PROCESS THEREOF AND THEIR USE AS LUBRICANT ADDITIVES

The invention relates to polymeric-inorganic nanoparticle compositions and preparation processes thereof. The invention also relates to an additive and lubricant compositions comprising these polymeric-inorganic nanoparticle compositions, as well as to the use of these polymeric-inorganic nanoparticle compositions in an oil lubricant formulation to improve tribological performance, in particular to improve extreme pressure performance and friction reduction on metal parts. 1. A polymeric-inorganic nanoparticle composition , obtained by milling a mixture , the mixture comprising one or more intercalation compound (A) and one or more polymer compound (B) ,{'sub': '2', '(A) wherein the one or more intercalation compound comprises a metal chalcogenide having molecular formula MX, where M is a metallic element selected from the group consisting of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), zirconium (Zr), niobium (Nb), molybdenum (Mo), technetium (Tc), ruthenium (Ru), rhodium (Rh), palladium (Pd), silver (Ag), cadmium (Cd), hafnium (Hf), tantalum (Ta), tungsten (W), rhenium (Re), osmium (Os), iridium (Ir), platinum (Pt), gold (Au), mercury (Hg) and combinations thereof, and X is a chalcogen element selected from the group consisting of sulfur (S), selenium (Se), tellurium (Te), oxygen (0) and combinations thereof; and'} a) one or more functional monomer as component a) selected from the list consisting of:', 'a1) hydroxyalkyl (meth)acrylates;', 'a2) aminoalkyl (meth)acrylates and aminoalkyl (meth)acrylamides;', 'a3) nitriles of (meth)acrylic acid and other nitrogen-containing (meth)acrylates;', 'a4) aryl (meth)acrylates, where the acryl residue in each case can be unsubstituted or substituted up to four times;', 'a5) carbonyl-containing (meth)acrylates;', 'a6) (meth)acrylates of ether alcohols;', 'a7) (meth)acrylates of halogenated alcohols;', 'a8) oxiranyl (meth)acrylate;', 'a9) phosphorus-, ...

LUBRICATING OIL COMPOSITION COMPRISING DISPERSANT COMB POLYMERS

Selected comb polymers contain specified amounts of macromonomer and nitrogen-containing (meth)acrylates. Lubricant compositions can contain such comb polymers. The selected comb polymers can be used as solubilizers in lubricant compositions, especially in engine oil (EO) compositions. 1: A polyalkyl(meth)acrylate based comb polymer , consisting of the following monomers in polymerized form:(a) 10% to 20% by weight of an ester of (meth)acrylic acid and a hydroxylated hydrogenated polybutadiene;(b) 0% to 1% by weight of methyl methacrylate;(c) 60% to 75% by weight of n-butyl methacrylate;{'sub': '10-15', '(d) 10% to 20% by weight of Calkyl methacrylates, preferably;'}(e) 0% to 1% by weight of at least one styrene monomer; and(f) 0.5 to 3% by weight of at least one nitrogen-containing (meth)acrylate selected from the group consisting of aminoalkyl (meth)acrylates, aminoalkyl (meth)acrylamides, and mixtures thereof.2: The polyalkyl(meth)acrylate based comb polymer according to claim 1 , consisting of the following monomers in polymerized form:(a) 14% to 16% by weight of an ester of (meth)acrylic acid and a hydroxylated hydrogenated polybutadiene;(b) 0% to 1% by weight of methyl methacrylate;(c) 65% to 70% by weight of n-butyl methacrylate;{'sub': '10-15', '(d) 14% to 17% by weight of Calkyl methacrylates;'}(e) 0% to 1% by weight of at least one styrene monomer; and(f) 0.5% to 3% by weight of at least one nitrogen-containing (meth)acrylate selected from the group consisting of N,N-dimethylaminoethyl methacrylate and N,N-dimethylaminopropyl methacrylamide.3: The polyalkyl(meth)acrylate based comb polymer according to claim 1 , wherein a weigh average molecular weight Mw is in the range of 200 claim 1 ,000 to 500 claim 1 ,000 g/mol.4: The polyalkyl(meth)acrylate based comb polymer according to claim 1 , wherein the hydroxylated hydrogenated polybutadiene of component (a) has a number-average molecular weight Min the range of 4 claim 1 ,000 to 6 claim 1 ,000 g/mol.5: The ...

Methods of Applying a Hydrophilic Coating to a Substrate, and Substrates Having a Hydrophilic Coating

This invention relates to methods of applying to a substrate a hydrophilic coating that becomes lubricious when activated with water or water vapor, and to substrates having such a hydrophilic coating. 1providing a substrate having a surface that is comprised at least in part of a water-swellable material; and,contacting the substrate surface with a solution comprising at least one of (i) a water-soluble polymer capable of being cross-linked to form a cross-linked, lubricious, hydrophilic coating and (ii) a water-soluble monomer capable of being polymerized to form a cross-linked, lubricious, hydrophilic coating.. A method of applying a hydrophilic coating to a substrate surface, comprising: This application is a continuation of U.S. patent application Ser. No. 14/886,901, filed Oct. 19, 2015, which is a continuation of U.S. patent application Ser. No. 13/748,842, filed Jan. 24, 2013, which is a continuation of U.S. patent application Ser. No. 13/243,942, filed Sep. 23, 2011, now U.S. Pat. No. 8,377,559, which is a division of U.S. patent application Ser. No. 11/699,663, filed Jan. 30, 2007, now U.S. Pat. No. 8,053,030, which claims the benefit of U.S. Provisional Application No. 60/764,151, filed Feb. 1, 2006, all of the above of which are incorporated by reference.This invention relates to methods of applying to a substrate a hydrophilic coating that becomes lubricious when activated with water or water vapor, and to substrates having such a hydrophilic coating.In the medical field, and in other fields as well, there has developed a need for substrates with surfaces that become lubricious upon contact with water. A main use of lubricious materials involves catheters, catheter guide wires, and other medical devices that are meant to be inserted into the body. The lubricious nature of such materials allows the insertion (and subsequent removal) of a catheter or other medical device to be accomplished with minimum resistance, thereby reducing discomfort and possible ...

Adhesives comprising copolymers of macromonomers and unsaturated acids or anhydrides

This invention relates to an adhesive composition comprising a copolymer comprising units derived from one or more macromonomers and an unsaturated acid or an unsaturated anhydride wherein the weight average molecular weight of the copolymer is at least twice the weight average molecular weight of the macromonomer, the melt index of the copolymer is 1 dg/min or more, and wherein the macromonomer: (1) has a weight average molecular weight between 500 and 100,000; (2) has at least 30% terminal unsaturation; and (3) comprises a copolymer of ethylene and at least one α-olefin, and/or a copolymer of propylene and ethylene or an α-olefin.

Polar monomer containing copolymers derived from olefins useful as lubricant and useful as lubricant and fuel oil additivies process for preparation of such copolymers and additives and use thereof

Polar monomer-containing copolymers derived from at least one α, β unsaturated carbonyl compound, such as alkyl acrylates and one or more olefins, such olefins including ethylene and C 3 -C 20 α-olefins such as propylene and 1-butene, which copolymers have (a) an average ethylene sequence length, ESL, of from about 1.0 to less than about 3.0; (b) an average of at least 5 branches per 100 carbon atoms of the copolymer chains comprising the copolymer; (c) at least about 50% of said branches being methyl and/or ethyl branches; (d) substantially all of said incorporated polar monomer is present at the terminal position of said branches; (e) at least about 30% of said copolymer chains terminated with a vinyl or vinylene group; (f) a number average molecular weight, Mn, of from about 300 to about 15,000 when the copolymer is intended for dispersant or wax crystal modifier uses and up to about 500,000 where intended for viscosity modifier uses; and (g) substantial solubility in hydrocarbon and/or synthetic base oil. The copolymers are produced using late-transition-metal catalyst systems and, as an olefin monomer source other than ethylene preferably inexpensive, highly dilute refinery or steam cracker feed streams that have undergone only limited clean-up steps. Fuel and lubricating oil additives, particularly dispersants, wax crystal modifiers and flow improvers, are produced. Where functionalization and derivatization of these copolymers is required for such additives it is facilitated by the olefinic structures available in the copolymer chains.

Polar monomer containing copolymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such copolymers and additives and use thereof

Polar monomer-containing copolymers derived from at least one α, β unsaturated carbonyl compound, such as alkyl acrylates and one or more olefins, such olefins including ethylene and C 3 -C 20 α-olefins such as propylene and 1-butene, which copolymers have (a) an average ethylene sequence length, ESL, of from about 1.0 to less than about 3.0; (b) an average of at least 5 branches per 100 carbon atoms of the copolymer chains comprising the copolymer; (c) at least about 50% of said branches being methyl and/or ethyl branches; (d) substantially all of said incorporated polar monomer is present at the terminal position of said branches; (e) at least about 30% of said copolymer chains terminated with a vinyl or vinylene group; (f) a number average molecular weight, Mn, of from about 300 to about 15,000 when the copolymer is intended for dipersant or wax crystal modifier uses and up to about 500,000 where intended for viscosity modifier uses; and (g) substantial solubility in hydrocarbon and/or synthetic base oil. The copolymers are produced using late-transition-metal catalyst systems and, as an olefin monomer source other than ethylene preferably inexpensive, highly dilute refinery or steam cracker feed streams that have undergone only limited clean-up steps. Fuel and lubricating oil additives, are produced. Where functionalization and derivatization of these copolymers is required for such additives it is facilitated by the olefinic structures available in the copolymer chains.

Copolymers of ethylene α-olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuels

A copolymer comprising units of an unsaturated dicarboxylic monomer and an ethylene α-olefin macromer is disclosed. The macromer is an unsaturated ethylene α-olefin polymer comprising units of from ethylene and at least one α-olefin represented by the formula CH 2 ═CHR a , wherein R a is a C 1 to C 18 linear alkyl group or a C 3 to C 18 branched alkyl group; the ethylene α-olefin polymer has a number average molecular weight of from about 500 to about 100,000; and at least about 30% of the unsaturation in the ethylene α-olefin polymer is terminal vinylidene. The copolymer has a carbon-carbon backbone and contains succinic groups and hydrocarbyl groups. The copolymer can be derivatized by reaction with nucleophilic reactants including monoamines, polyamines, monoalcohols, polyols, amino alcohols, reactant metal compounds and mixtures thereof. The derivatized copolymers can be post-treated (e.g., borated) with one or more post-treating agents (e.g., boric acid). The copolymer, its derivatives, and post-treated derivatives are useful as additives (e.g., dispersants and viscosity index improvers) in fuels and in lubricating oils.

Fluoroethylene compounds

Dispersant viscosity index improvers

A process is provided according to the present invention comprising the steps of: functionalizing a base polymer by grafting alpha-beta unsaturated carboxylic acid, anhydride or ester to a base polymer, the base polymer being selected from the group of hydrogenated polymer of a conjugated diolefin and a copolymer of conjugated diolefins and monoalkenyl arenes, the grafting being performed in a blending device capable of imparting high mechanical energy and in the presence of 3 to 15 percent by weight, based on base polymer, of a suitable diluent oil; reacting the functionalized polymer with an amine; and recovering an animated polymer. This process results in a lower level of scission, crosslinking and coupling than processes which are essentially oil free. The product of this process is an excellent lubricating oil viscosity index improver and additionally has dispersant characteristics.

Process for the preparation of dispersant viscosity index improvers

Formulation of a metal working fluid

This invention relates to a composition that is a novel improvement of non-oil containing metal working fluids, also known as synthetic metal working fluids. The invention is a non-oil containing metalworking lubricant composition, having an engineered particle size of greater than 200 nanometers upon dilution. The expansive particle size results in a substantial increase in lubricity, suitable for the heavy-duty operations previously attainable only with oil-containing products. Additionally, this non-oil containing metalworking lubricant incorporates the best of the positive attributes of oil-containing products into its composition, including excellent corrosion inhibition and heavy-duty operation capable lubricity.

Processes of preparing oligomers

This invention relates to novel oligomers of 1-alkenes and derivatives of acrylic acids, to methods of making the oligomers, and to compositions which comprise the oligomers.

Lubricating oil additives

Dispersency oil additives

Process for preparing continuously variable-composition copolymers

Gel-free alpha-olefin dispersant additives useful in oleaginous compositions

Gel-free dispersant additives for lubricating and fuel oil compositions comprise at least one adduct of (A) .alpha.-olefin homopolymer or interpolymer of 700 to 10,000 number average molecular weight, free radically grafted with an average of from about 0.5 to about 5 carboxylic acid producing moieties per polymer chain, and (B) at least one non-aromatic nucleophilic post-treating reactant selected from (i) amine compounds containing only a single reactive amino group per molecule, (ii) alcohol compounds containing only a single hydroxy group per molecule, (iii) polyamine compounds containing at least two reactive amino groups per molecule, (iv) polyol compounds containing at least two reactive hydroxy groups per molecule, (v) aminoalcohol compounds containing at least one reactive amino group and at least one reactive hydroxy group per molecule, and (vi) mixtures of (i) to (v): provided that when said post-treating reactant includes one or more of (iii), (iv) or (v), the reaction between (A) and (B) is conducted in the presence of sufficient chain-stopping or end-capping co-reactant (C) to ensure that the grafted and post-reacted product mixture is gel-free.

Substantially linear ethylene/alpha-olefin polymers as viscosity index improvers or gelling agents

Multifunctional viscosity index improver

Hydrocarbon polymers such as ethylene copolymers may be reacted with unsaturated nitrogen-containing monomers or unsaturated carboxylic acids in a synthetic hydrocarbon lubricating oil in the presence of a free radical initiator such as a peroxide. The copolymer grafted directly with the nitrogen-containing monomers may be utilized as an additive for oil compositions, particularly lubricating oil compositions as a V.I.-dispersant additive. The polymer reacted with carboxylic acid may be further reacted with amines or amino-alcohols to also form a multifunctional V.I.-dispersant additive.

System, composition and method of application of same for reducing the coefficient of friction and required pulling force during installation of wire or cable

A composition and method for reducing the coefficient of friction and required pulling force of a wire or cable are provided. A composition of aqueous emulsion is provided that is environmentally friendly, halogen free and solvent free. The composition is compatible with various types of insulating materials and may be applied after the wire or cable is cooled and also by spraying or submerging the wire or cable in a bath. The composition contains lubricating agents that provide lower coefficient of friction for wire or cable installation and continuous wire or cable surface lubrication thereafter.

Viscosity index improver

Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains. The degraded copolymers are useful as viscosity index improvers for oils.

Continuous process for production of functionalized olefins

A continuous process for functionalizing olefins, especially polymer olefins in a CSTR or pipe reactor. Esters are preferably produced by continuous reaction of the olefin with carbon monoxide and a nucleophilic trapping agent. The liquid-filled pipe reactor operates in plug flow with static mixers and the CSTR is operated in the substantial absence of air at constant liquid level.

Functionalization of polymers based on Koch chemistry and derivatives thereof

A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least ethylenic double bond per polymer chain, with carbon monoxide and a nucleophilic trapping agent. The invention includes functionalized polymer, derivatives thereof and methods of making the same.

Viscosity index improver

Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains. The degraded copolymers are useful as viscosity index improvers for oils.

Viscosity improver grafted with unsaturated acylating agent and an aryloxyalylkene monoamine

Disclosed is an oil-soluble lubricating oil additive composition, suitable for use as a dispersant viscosity index improver in lubricating oils; prepared by the process which comprises reacting a hydrocarbon polymer having a number average molecular weight (M n ) between about 7,000 and about 500,000 wherein the polymer backbone has been functionalized with an ethylenically unsaturated acylating agent and an aryloxy-alkylene amine.

Viscosity improver grafted with unsaturated acylating agent and an aryloxyalylkene monoamine

Disclosed is an oil-soluble lubricating oil additive composition, suitable for use as a dispersant viscosity index improver in lubricating oils; prepared by the process which comprises reacting a hydrocarbon polymer having a number average molecular weight (M n ) between about 7,000 and about 500,000 wherein the polymer backbone has been functionalized with an ethylenically unsaturated acylating agent and an aryloxy-alkylene amine.

Lubricating oil compositions containing copolymers of olefins or of olefins and non-conjugated dienes with unsaturated derivatives of cyclic imides

Novel amorphous copolymers of mono-olefins or of mono-olefins and non-conjugated dienes with unsaturated derivatives of imides, are disclosed. These copolymers containing from 99.9 to 80% by weight of non-polar units derived from at least two mono-olefins containing 2 to 18 carbon atoms, particularly ethylene and propene or ethylene and butene-1, and possibly one or more non-conjugated dienes, and from 0.1 to 20% units derived from an amide having the formula: ##STR1## wherein: Z is an alkenyl radical containing 2 to 16 carbon atoms, and A designates a saturated or unsaturated divalent hydrocarbon radical which contains 2 to 12 carbon atoms and which may possibly carry amino, halogeno or carboxyl groups. Some of said copolymers may be used as polymer additives in lubricating compounds to improve their viscosity index and to disperse the slurry which they may contain.

Substantially linear ethylene/alpha-olefin polymers as viscosity index improvers or gelling agents

Substantially linear ethylene polymers, such as ethylene/octene copolymers and ethylene/propylene/diene modified polymers, when added in a viscosity modifying amount to an oleaginous material, such as a lubricating oil, provides the material with a viscosity index that exceeds that of the material alone. The substantially linear ethylene polymers, prepared by constrained geometry catalysis, may be grafted with one or more unsaturated organic compounds, such as maleic anhydride, that contain ethylenic unsaturation. The grafted polymer may be further functionalized by reactions with, for example, an alcohol or an amine compound. The substantially linear ethylene polymers, when subjected to shearing action either before or after addition to an oleaginous material, improve shear stability of the oleaginous material. The substantially li near ethylene polymers, whether grafted, grafted and further reacted or not, also work as a thickening agent for compositions such as those used in greases, cable filling coumpounds and cosmetics. In addition, the substantially linear ethylene polymers provide effective results when blended with other components of conventional oleaginous material compositions.

Adhesives comprising copolymers of macromonomers and unsaturated acids or anhydrides

This invention relates to an adhesive composition comprising a copolymer comprising units derived from one or more macromonomers and an unsaturated acid or an unsaturated anhydride wherein the weight average molecular weight of the copolymer is at least twice the weight average molecular weight of the macromonomer, the melt index of the copolymer is 1dg/min or more, and wherein the macromonomer: (1) has a weight average molecular weight between 500 and 100,000; (2) has at least 30 % terminal unsaturation; and (3) comprises a copolymer of ethylene and at least one α-olefin, and/or a copolymer of propylene and ethylene or an α-olefin.

Verfahren zur Herstellung von öllöslichen aeylierten Aminen

Extreme-pressure mixed metal borate lubricant

Mixed metal borate lubricant: A. REACT BORIC ACID WITH ALKALINE EARTH METAL CARBONATE OVERBASED METAL SULFONATE IN A LUBRICATING OIL OR GREASE MEDIUM TO FORM AN INTERMEDIATE B. REACT ALKALI METAL BASE WITH INTERMEDIATE TO FORM MIXED ALKALI AND ALKALINE EARTH METAL BORATE DISPERSION.

Water-dispersible hydrophobic thickening agent

A water-soluble thicking agent comprises (1) a soluble polymer having pendant hydrophobic groups, obtained by copolymerization of a soluble vinyl compound (e.g. amides, carboxylic acids, quat. salts, sulphoalkyl alkenoates, aminoalkyl, and vinylaryl sulphonates) with a water-insoluble vinyl compound having a hydrophobic group with at least 8C'S; (2) a water-dispersible nonionic surfactant with hydrophobic groups; and (3) water-soluble inorganic salts, preferably NaCl and/or KCl (0.1-15 wt. %) Ca and/or Mg salts (0.01-10 wt.%). These compositions are used in the oil recovery process for the control of fluid mobility, as fracturing fluids and drilling muds, and or hydraulics and lubricants.

Dispersant and dispersant viscosity index improvers from selectively hydrogenated aryl-substituted olefin containing diene copolymers

The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances include a copolymer of two different conjugated dienes and an aryl-substituted olefin. The polymers are selectively hydrogenated to produce polymers which have highly controlled amounts of unsaturation, permitting highly selective functionalization. Also provided are lubricant fluids, such as mineral and synthetic oils, which have been modified in their dispersancy and/or viscometric properties by means of the dispersant substances of the invention. Also provided are methods of modifying the dispersancy and/or viscometric properties of lubricating fluids such as mineral and synthetic lubricating oils. The dispersant substances may also include a carrier fluid to provide dispersant concentrates.

聚合物作为燃料和润滑剂的添加剂

本发明涉及用于燃料和润滑剂的腐蚀抑制剂。本发明也涉及腐蚀抑制剂在燃料和润滑剂中的用途。

Corrosion inhibitors for fuels and lubricants

FIELD: chemistry.SUBSTANCE: invention relates to novel applications of corrosion inhibitors in fuels and lubricants. As corrosion inhibitors in diesel and carb fuel containing at least 0.1 part per million of alkali and/or alkali-earth metals and/or zinc, which are selected from a group consisting of sodium, zinc, magnesium and calcium, copolymers are used. Copolymers are obtained by reacting maleic anhydride and at least one α-olefin with 16–28 carbon atoms. Then, optionally, second reaction stage of partial or complete hydrolysis of anhydride functional groups contained in obtained at first reaction stage copolymer is carried out. Second reaction stage is carried out at least if the copolymer obtained at the first reaction stage does not contain free carboxylic acid functional groups. Copolymer has weight-average molecular weight M(determined by gel permeation chromatography with tetrahydrofuran and polystyrene as standard) 1500–4000 g/mol. Copolymers retain activity and do not precipitate in the presence of calcium.EFFECT: corrosion inhibitors have high compatibility with calcium ions and retain the action typical for corrosion inhibitors.5 cl, 1 dwg, 7 tbl, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 689 799 C2 (51) МПК C10L 10/04 (2006.01) C08L 1/14 (2006.01) C10L 1/16 (2006.01) C10L 1/196 (2006.01) C08F 222/06 (2006.01) C08F 210/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C10L 1/146 (2019.02); C10L 1/1641 (2019.02); C08F 210/14 (2019.02); C08F 222/06 (2019.02); C10L 1/1963 (2019.02); C10L 1/1966 (2019.02) (21)(22) Заявка: 2016134922, 29.01.2015 29.01.2015 Дата регистрации: 29.05.2019 (73) Патентообладатель(и): БАСФ СЕ (DE) 29.01.2014 EP 14152991.7; 04.12.2014 EP PCT/EP2014/076622; 16.12.2014 EP 14198266.0 (56) Список документов, цитированных в отчете о поиске: EP 0307815 A1, 22.03.1989. WO (43) Дата публикации заявки: 05.03.2018 Бюл. № 7 (85) Дата начала рассмотрения заявки PCT на ...

Method for producing a liquid polymer composition and the use of this composition

The invention relates to a method for producing a liquid polymer composition, whereby ethylenically unsaturated monomers are polymerized using initiators, which have a transferable atom group, and using one or more catalysts, which comprise(s) at least one transition metal. This polymerization is carried out in the presence of ligands, which can form a coordination compound with the metallic catalyst(s). In addition, the catalyst is oxidized after polymerization, and the catalyst is then separated out by filtering. The composition has a solvent with a dielectric constant less than or equal to 4.

用于燃料和润滑剂的缓蚀剂

本发明涉及用于燃料和润滑剂的缓蚀剂。本发明还涉及缓蚀剂在燃料和润滑剂中的用途。

Polymers as additives for fuels and lubricants

FIELD: chemistry.SUBSTANCE: use of copolymers, having on average: at least four acid groups per polymer chain, wherein the acid groups are carboxyl groups, the ratio of carbon atoms to the acid group ranges from 7 to 35 and the acid number ranges from 80 to 320 mg KOH/g, determined by potentiographic titration with 0.5 molar aqueous hydrochloric acid after three-hour heating in 0.5 molar ethanolic potassium hydroxide solution; as a fuel additive for reducing fuel consumption by direct injection diesel engines and to minimise power loss in direct injection diesel engines, as an additive to diesel fuels for reducing and / or preventing deposits in feed systems and / or as a petrol additive for reducing deposits in the inlet system of a direct injection and spark ignition (DISI) petrol engine and port fuel injector (PFI) petrol engine, copolymers have solubility in toluene at 20 °C of at least 5 g/100 ml.EFFECT: technical result consists in the use of said copolymers as fuel additives to reduce fuel consumption, to minimise power loss and to reduce and / or prevent deposits.13 cl, 1 dwg, 2 tbl, 12 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 685 271 C2 (51) МПК C10M 145/12 (2006.01) C10L 1/14 (2006.01) C10L 1/16 (2006.01) C10L 1/196 (2006.01) C10L 10/04 (2006.01) C10L 10/18 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ C10M 145/16 (2006.01) C10M 171/00 (2006.01) (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08F 210/14 (2019.02); C08F 222/06 (2019.02); C10L 1/146 (2019.02); C10L 1/1641 (2019.02); C10L 1/188 (2019.02); C10L 1/1883 (2019.02); C10L 1/1963 (2019.02); C10L 1/1966 (2019.02); C10L 1/1973 (2019.02); C10L 1/1976 (2019.02); C10L 10/04 (2019.02); C10L 10/06 (2019.02); C10L 10/18 (2019.02); C10M 129/34 (2019.02); C10M 129/72 (2019.02); C10M 129/92 (2019.02); C10M 145/12 (2019.02); C10M 145/16 (2019.02); C10M 159/005 (2019.02); C10M 171/00 (2019.02) (24) Дата начала отсчета срока действия патента: Дата регистрации: 17.04.2019 Приоритет(ы): (30) ...

含纤维的干润滑剂以及使用该干润滑剂的方法

一种干润滑剂，其含有至少50重量%的纤维，该纤维具有50nm～10μm的直径和为直径至少5倍的长度。

Reaction product of high molecular weight succinic acids and succinic anhydrides with an ethylene poly- amine

Dispersency oil additives

Process which comprises reacting a carboxylic intermediate with an amine

Lubricants and fuels containing improved acylated nitrogen additives

Lubricants containing oil-soluble graft polymers derived from degraded ethylene-propylene interpolymers

GRAFT POLYMERS ARE PREPARED FROM VARIOUS POLYMERIZABLE UNSATURATED MONOMERS AND AN OXIDIZED, DEGRADED INTERPOLYMER OF ETHYLENE AND PROPYLENE. THESE POLYMERS ARE USEFUL AS VISCOSITY INDEX IMPROVES, DISPERSANTS AND POUR POINT DEPRESSANTS FOR FUELS AND LUBRICANTS.

Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants

Compositions useful as lubricant and fuel dispersants are prepared by reacting an intermediate (A) of the formulae ##STR1## wherein each R is hydrogen or a lower hydrocarbon-based group, Ar is an aromatic moiety having at least one aliphatic substituent of at least 6 carbon atoms and x is 1 to about 10, with an amino compound (B) which contains one or more amino groups having hydrogen bonded directly to an amino nitrogen.

Metal-containing lubricant compositions

A metal-containing lubricant composition containing an overbased copper metal-containing compound is disclosed which improves high speed, high temperature operation of gasoline and diesel engines. The overbased copper metal-containing compound acts as a dispersant/detergent and oxidation and corrosion inhibitor and avoids the acceleration of wear rates typical of many copper compounds.

Oil soluble acrylated nitrogen compounds having a polar acyl, acylimidoyl or acyloxy group with a nitrogen atom attached directly thereto

Derivatives of succinic acids and nitrogen compounds

Batch Koch carbonylation process

A rapid, batch Koch carbonylation/functionalization reaction of at least one polymer olefin, carbon monoxide, and an aliphatic or aryl alcohol in the presence of an acid catalyst with either an alcohol:polymer olefin mole ratio ≧1:1, or an acid catalyst:polymer olefin mole ratio ≧0.9:1, or both, and recovering at least 80% functionalized polymer which is predominantly ester.

Применение гребневидных полимеров в качестве противоусталостных присадок

Настоящее изобретение относится к гребневидным полимерам и их применению в качестве противоусталостных присадок к смазочным маслам. Описано применение гребневидных полимеров, содержащих в основной цепи повторяющиеся звенья, которые являются производными основанных на алкенах с 2-10 атомами углерода и/или алкадиенах с 4-10 атомами углерода макромономеров с молекулярной массой по меньшей мере 500 г/моль, и повторяющиеся звенья, которые являются производными низкомолекулярных мономеров с молекулярной массой менее 500 г/моль, выбранными из группы, включающей алкил(мет)акрилаты с 1-30 атомами углерода в спиртовом остатке, аликилстирольные мономеры с 8-17 атомами углерода, сложные виниловые эфиры с 1-11 атомами углерода в ацильной группе, простые виниловые эфиры с 1-30 атомами углерода в спиртовом остатке, (ди)алкилфумараты с 1-30 атомами углерода в спиртовом остатке и (ди)алкилмалеаты с 1-30 атомами углерода в спиртовом остатке, в качестве противоусталостных присадок в смазочных материалах, представляющих собой трансмиссионное масло, моторное масло или гидравлическое масло. Также описан гребневидный полимер, содержащий в основной цепи повторяющиеся звенья, которые являются производными основанных на алкенах с 2-10 атомами углерода и/или алкадиенах с 4-10 атомами углерода макромономеров с молекулярной массой по меньшей мере 500 г/моль, и повторяющиеся звенья, которые являются производными низкомолекулярных мономеров с молекулярной массой менее 500 г/моль, которые являются производными алкил(мет)акрилатов с 8-30 атомами углерода в спиртовом остатке, и обладает полярностью по тетрагидрофурану, составляющей по меньшей мере 50%, и характеристической вязкостью от 15 до 50 мл/г. Описан гребневидный полимер, содержащий в основной цепи повторяющиеся звенья макромономеров, являющиеся производными основанных на алкенах с 2-10 атомами углерода и/или алкадиенах с 4-10 атомами углерода, с молекулярной массой по меньшей мере 500 г/моль, и по меньшей мере 10% масс. повторяющихся звеньев ...

Полимеры, функционализированные реакцией коха, и их производные

Функционализированный по Коху продукт, который является продуктом реакции по меньшей мере одного полимера со среднечисленной молекулярной массой по крайней мере 500 и по меньшей мере с одной этиленовой двойной связью на каждую полимерную цепь, с моноокисью углерода и нуклеофилулавливающим агентом. В объем изобретения включены функционализированный полимер, его производные и способы их получения.

Visosity index improver

Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains. The degraded copolymers are useful as viscosity index improvers for oils.

Sheared polymer blends and process for their preparation

A blend and a process for producing that blend in which a high ethylene content ethylene-propylene polymer and a lower ethylene content ethylene-propylene polymer are subjected to simultaneous blending and shearing to reduce their molecular weights and molecular weight distribution. The sheared blend of polymers can function as a shear stable dispersant viscosity index improver with improved lower temperature properties or the hydrocarbon base for multifunctional for viscosity index improvers, motor fuel additives or polymeric dispersants.

Viscosity index improver and dispersant useful in oil compositions

Gel-free α-olefin dispersant additives useful in oleaginous compositions

Gel-free dispersant additives for lubricating and fuel oil compositions comprise at least one adduct of (A) α-olefin homopolymer or interpolymer of 700 to 10,000 number average molecular weight, free radically grafted with an average of from about 0.5 to about 5 carboxylic acid producing moieties per polymer chain, and (B) at least one non-aromatic nucleophilic post-treating reactant selected from (i) amine compounds containing only a single reactive amino group per molecule, (ii) alcohol compounds containing only a single hydroxy group per molecule, (iii) polyamine compounds containing at least two reactive amino groups per molecule, (iv) polyol compounds containing at least two reactive hydroxy groups per molecule, (v) aminoalcohol compounds containing at least one reactive amino group and at least one reactive hydroxy group per molecule, and (vi) mixtures of (i) to (v); provided that when said post-treating reactant includes one or more of (iii), (iv) or (v), the reaction between (A) and (B) is conducted in the presence of sufficient chain-stopping or end-capping co-reactant (C) to ensure that the grafted and post-reacted product mixture is gel-free.

Gel-free alpha-olefin dispersant additives useful in oleaginous compositions

Gel-free dispersant additives for lubricating and fuel oil compositions comprise at least one adduct of (A) α-olefin homopolymer or interpolymer of 700 to 10,000 number average molecular weight, free radically grafted with an average of from about 0.5 to about 5 carboxylic acid producing moieties per polymer chain, and (B) at least one non-aromatic nucleophilic post-treating reactant selected from (i) amine compounds containing only a single reactive amino group per molecule, (ii) alcohol compounds containing only a single hydroxy group per molecule, (iii) polyamine compounds containing at least two reactive amino groups per molecule, (iv) polyol compounds containing at least two reactive hydroxy groups per molecule, (v) aminoalcohol compounds containing at least one reactive amino group and at least one reactive hydroxy group per molecule, and (vi) mixtures of (i) to (v); provided that when said post-treating reactant includes one or more of (iii), (iv) or (v), the reaction between (A) and (B) is conducted in the presence of sufficient chain-stopping or end-capping co-reactant (C) to ensure that the grafted and post-reacted product mixture is gel-free.

Composicion apropiada como aditivo dispersante/mejorador de la viscosidad de aceites y composiciones lubricantes, que contienen dicho aditivo y procedimiento para preparar dicha composicion.

COMPOSICION ADITIVO DISPERSANTE/MEJORADOR DE LA VISCOSIDAD DE ACEITES LUBRICANTES, PRODUCTO DE REACCION DE UN AGENTE DE ACILACION (D) CON AMINAS PRIMARIAS, SIENDO (D) EL PRODUCTO DE REACCION PREVIA DE COPOLIMEROS EN BLOQUES HIDROGENADOS (A) Y DE ACIDOS DICARBOXILICOS ALFA-BETA ETILENICAMENTE NO SATURADOS (B) SUS SALES Y ANHIDRIDOS, EN PRESENCIA DE INICIADORES DE RADICALES LIBRES (C); EN DONDE LAS POLIAMINAS TIENEN FORMULA (F) EN LA QUE N ES UN NUMERO DE 1 A 10 Y R'' ES HIDROGENO O HIDROCARBILO O ALQUILENO Y DICHOS ACIDOS MONOFUNCIONALES (G) CON ACIDOS ALCANOICOS Y ACIDOS ALCANO-DICARBOXILICOS QUE FORMAN IMIDAS, EN REACCION SIMULTANEA O SECUENCIADA.

Method for producing a liquid polymer composition and the use of this composition

The invention concerns a method for preparation of a liquid polymer composition, where ethylenically unsaturated monomers are polymerized by means of initiators that have a transferable atomic group, and one or more catalysts that contain at least one transition metal, in the presence of ligands that can form a coordination compound with the metallic catalysts, the catalyst is oxidized after the polymerization and then the catalyst is separated by filtration, where the composition contains a solvent with a dielectric constant less than or equal to 4.

Functionalization of polymers based on Koch chemistry and derivatives thereof

A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least one ethylenic double bond per polymer chain, with carbon monoxide and a nucleophilic trapping agent. The invention includes functionalized polymer, derivatives thereof and methods of making the same.

Derivatives of polyamines with one primary amine and secondary of tertiary amines

A dispersant derivatized from a functionalized hydrocarbon and a polyamine having one primary amine and 1-10, preferably 3-8 secondary or tertiary amines; preferably where said functionalized hydrocarbon is a Koch-derived hydrocarbon.

Functionalization of polymers based on Koch chemistry and derivatives thereof

A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least ethylenic double bond per polymer chain, with carbon monoxide and a nucleophilic trapping agent. The invention includes functionalized polymer, derivatives thereof and methods of making the same.

Functionalization of polymers based on Koch chemistry and derivatives thereof

A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least ethylenic double bond per polymer chain, with carbon monoxide and a nucleophilic trapping agent. The invention includes functionalized polymer, derivatives thereof and methods of making the same.

Functionalization of polymers based on Koch chemistry and derivatives thereof

A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least one ethylenic double bond per polymer chain, with carbon monoxide and a nucleophilic trapping agent. The invention includes functionalized polymer, derivatives thereof and methods of making the same.

Method of synthesis of modified thermoelastoplastic

FIELD: modified polymers used as oil addition agents. SUBSTANCE: method is carried out by interaction of diene copolymer with maleic anhydride in the presence of radical initiating agent, at heating in organic solvent medium followed by amination of prepared product. Diene copolymer is star-like polymer containing polydivinylbenzene nucleus and 4-25 hydrogenated polyisoprenic chains (mean molecular mass of every chain is 35000). To the star-like polymer treated with 1-2 wt.-% maleic anhydride the following compounds were added: 3.8-29.8 wt.-% polyisobutenyl-substituted maleic anhydride and 0.38-6.0 wt.-% diethylenetri-, triethylenetetra- or tetraethylenepentamine, or product of interaction of polyisobutenyl-substituted maleic anhydride with amine indicated. EFFECT: improved method of synthesis. 4 tbl $553 950с ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (51) МПК ВИ “” 2 058 334 Сл С 08 Е 279/02, 8/32, С 10 М 143/12//С 10 М 60:00 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 4742200/04, 11.10.1989 (30) Приоритет: 13.10.1988 СВ 8824037 (46) Дата публикации: 20.04.1996 (56) Ссылки: 1. Патент США М 3.772.196, кл. 252-32.7, 1913. 2. Термоэластопласты./]од ред.В.Моисеева, 1985, М.: Химия, с.108. (71) Заявитель: Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (МЕ) (72) Изобретатель: Ари Ван Зон[М|И], Герарда Якоба Клавер[МИ] (73) Патентообладатель: Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (МЕ) (54) СПОСОБ ПОЛУЧЕНИЯ МОДИФИЦИРОВАННОГО ТЕРМОЭЛАСТОПЛАСТА (57) Реферат: Использование: для получения модифицированных полимеров, используемых в качестве присадок масел. Сущность: способ ведут путем взаимодействия диенового сополимера при нагревании В среде органического растворителя с последующим аминированием полученного продукта. В качестве диенового сополимера используют — звездообразный полимер, содержащий полидивинилбензольное ядро и 4 - 25 гидрированных полиизопреновых луча со среднечисленной молекулярной массой каждого луча, равной 35000, ...

聚合物作为燃料和润滑剂的添加剂

本发明涉及用于燃料和润滑剂的腐蚀抑制剂。本发明也涉及腐蚀抑制剂在燃料和润滑剂中的用途。

Polymers as additives for fuels and lubricants

본 발명은 연료 및 윤활제를 위한 부식 저해제에 관한 것이다. 본 발명은 또한 연료 및 윤활제에서의 부식 저해제의 용도에 관한 것이다. The present invention relates to corrosion inhibitors for fuels and lubricants. The present invention also relates to the use of corrosion inhibitors in fuels and lubricants.

一种齿轮油添加剂、齿轮润滑油及其制备方法与应用

本发明属于润滑剂领域，具体涉及一种齿轮油添加剂、齿轮润滑油及其制备方法与应用。所述的齿轮油添加剂，包含如下按质量份计的组分：纳米级铜粉1～3份、纳米级二氧化硅2～5份、纳米级氧化铝3～6份、纳米级石墨2～5份、微米级氧化铅1～4份和微米级二硫化钼3～6份。本发明还提供了一种包含上述齿轮油添加剂的齿轮润滑油，该齿轮润滑油不仅可以降低摩擦副的启动磨损及边界润滑状态下的硬摩擦，还对齿轮啮合面上的凹坑或凸起进行机械微修复和抛光，可以使齿轮齿面硬度值提高15％左右，啮合面粗糙度Ra的值降低5～10％，振动噪声降低6～11％。

Process for the preparation of branched polymers