Uv-shielding material based on mg-al layered double hydroxide and its application in anti-ageing asphalt

The present invention relates to a preparation method for a UV-shielding material based on Mg—Al Layered Double Hydroxide. The material with multi-layered overlay structure is made from Mg—Al double hydroxide layers and interlayer carbonate, its molecular composition is: Mg 1-x Al x (OH) 2 (CO 3 ) x/2 .mH 2 O. The inorganic layers of this material can play a physical shielding role against UV, and the metal elements dispersed on the layer as well as the interlayer anion can play a great role in the chemical absorbing. In addition, by controlling the particle size and the amount of the layers, UV light can be effectively shielded by multi-level reflection and absorption of the multi-level layered structure. Therefore, the material with multi-level chemical and physical shielding properties has a good UV barrier effect for the anti-ageing asphalt, and could significantly increase its UV resistance properties.

Preparation of an optical ph sensor based on fluorescein and 1-heptanesulfonic acid sodium co-intercalated layered double hydroxide

This invention relates to the field of preparation technology of optical pH sensor by co-intercalated fluorescein and 1-heptanesulfonic acid sodium into layered double hydroxide. The sensor is composed by conductive materials and the surface LDH films by co-interacted FLU and HES. The synthesis method is: first: synthesis of LDH colloid suspension, subsequently, the FLU and HES co-intercalated LDH colloid solution was prepared following the ion-exchange method, then the thin film of FLU-HES/LDH was spreaded on the surface of the conductive material by electrophoretic deposition, and the oriental pH sensor was synthesized. The advantages of the present invention is: first, the LDH matrix provides chromophore molecules with a confined and stable environment; the novel electrophoretic deposition strategy in this work provides a method for precise control of thickness (ranging from nanometers to micrometers), and the oriental pH sensor show good pH responsive.

SELF-BALANCED HIGH-PRESSURE AND HIGH-SHEAR AUTOCLAVE AND THE APPLICATION IN THE PREPARATION OF LAYERED DOUBLE HYDROXIDES

The present invention belongs to the synthesis technology field of inorganic functional materials, and particularly provides a self-balanced high-pressure and high-shear autoclave and its application in the preparation of layered double hydroxides (LDHs). In this invention, by imbedding the handpiece of emulsification mill into the autoclave, and by taking the motor driving system outside of the autoclave, the pressure of the autoclave can be highly stable by the use of self-balanced seal gland. These characters solve the problem that the typical emulsification mill cannot be used in high-pressure system, and ensure the crystallization under the high-pressure and high-shear conditions. Such autoclave takes the advantages of additional equipment, and eliminates the volume effect in the amplification process. By the use of this new autoclave, the reaction time can be shorten from 24 hours to 2-6 hours, the reaction temperature can be reduced from 180° C. to 140° C. The LDHs products with small particle size and narrow size distribution are obtained. These results are better than those prepared at the laboratory level. 1. A self-balanced high-pressure and high-shear autoclave , wherein: the handpiece of emulsification mill is placed into the autoclave; the top of the autoclave is self-balanced seal gland , which is composed by the self-propelled surge tank with a isolation-type piston and sealing layer; the coupling shaft of the high-shear emulsification mill can get into the autoclave through seal gland; the bottom of the coupling shaft connect the handpiece , which is away from the bottom of the autoclave with ⅕-½ of the whole height; the top of the coupling shaft connect the motor driving system , which is located outside of the autoclave; the coupling shaft is based on sleeve , the outer shaft is based on the connection of dead axis and stator in handpiece , and the inner shaft is based on the connection of rotation axis and rotor in handpiece.2. According to claim ...

MOVE OF OBJECT BETWEEN PAGES OF EDITABLE DOCUMENT

Embodiments relate to moving an object between pages of an editable document. An aspect includes determining that the object in an edit page of the editable document has been dragged to a target page thumbnail of the editable document. Another aspect include zooming in the target page thumbnail. Yet another aspect includes moving the object in the zoomed-in target page thumbnail. 1. A method for moving an object between pages of an editable document , comprising:determining that the object in an edit page of the editable document has been dragged to a target page thumbnail of the editable document;zooming in the target page thumbnail; andmoving the object in the zoomed-in target page thumbnail.2. The method according to claim 1 , wherein determining that the object on the edit page of the editable document has been dragged onto a target page thumbnail of the editable document includes:receiving a selection input of the object;receiving a drag input of the selected object;obtaining a current drag position; anddetermining that the current drag position is within a region of the target page thumbnail.3. The method according to claim 2 , wherein determining that the object in the edit page of the editable document has been dragged to a target page thumbnail of the editable document further includes:determining that a hold time period during which the current drag position is within the region of the target page thumbnail exceeds a predetermined time.4. The method according to claim 1 , wherein zooming in the target page thumbnail includes:creating a zoom-in window over the edit page and the target page thumbnail;zooming in the target page thumbnail according to a predetermined percent; andpresenting the zoomed-in target page thumbnail in the zoom-in window.5. The method according to claim 1 , wherein zooming in the target page thumbnail includes:zooming in the target page thumbnail according to a predetermined percent at a position of the target page thumbnail.6. The ...

REAL-TIME COMMUNICATION WITH A CALLER WITHOUT ACCEPTING A CALL

A system and method for facilitating real-time communication with a caller without a user accepting a call, wherein the system or method: receives a notification of the call; obtains information about the user and the caller from one or more data sources; determines the user's temporal status at a given point in time and the caller's identity based on the information; generates a context-specific message based on the user's temporal status and the caller's identity, wherein the message summarizes the user's temporal status; and provides the message to the caller. Alternatively, the message is a generic message, when the caller's identity cannot be determined. 1. A computer-implemented method , comprising: receives a notification of the call;', 'obtains information about the called user and the caller from one or more data sources;', "determines the called user's temporal status and the caller's identity as internal or external based on the information;", "generates a context-specific message based on both the called user's temporal status and the caller's identity, wherein the context-specific message is different depending on whether the caller's identity is determined as external or internal, and summarizes the called user's temporal status; and", 'provides the context-specific message to the caller., 'implementing, on one or more computers, a system for facilitating real-time communication with a caller without a called user accepting a call, wherein the system2. The method of claim 1 , wherein the information about the called user is obtained from the called user's calendar to determine whether there is a scheduled meeting claim 1 , appointment or event.3. The method of claim 1 , wherein the information about the called user is obtained from the called user's instant messaging to determine whether the called user is available claim 1 , busy claim 1 , away claim 1 , in a meeting claim 1 , do not disturb claim 1 , or offline.4. The method of claim 1 , wherein the ...

METHOD FOR PREPARING GRAPHENE BY USING TWO-DIMENSIONAL CONFINED SPACE BETWEEN THE LAYERS OF INORGANIC LAYERED MATERIALS

The present invention relates to a method for preparing graphene using the two-dimensional confined space between the layers of inorganic layered materials. Such method comprises the following steps: mix a soluble salt of a divalent metal ion M, a soluble salt of a trivalent metal ion M′, a soluble salt of a chain alkyl anion A and a carbon source molecule C and dissolve them in deionized and CO-eliminated water to prepare a mixed salt solution; mix the mixed salt solution with an alkali solution under nitrogen protection and subject them to reaction and crystallization under nitrogen, and filter the suspension obtained thereafter and wash the filter cake with deionized water until the pH of the filtrate is 7 to 7.5, and then dry the filter cake to obtain layered double hydroxides with an intercalated structure; under an inert atmosphere or a reducing atmosphere, calcinate the layered double hydroxides with an intercalated structure to provide a calcinated product; add the calcinated product into a hydrochloric acid solution for ultrasonic treatment, and separate the solution by centrifugation and wash the precipitate obtained by centrifugation with deionized water until the pH of the filtrate is 6.5 to 7 to obtain the graphene. 1. A preparation method for graphene , comprising the following steps:{'sup': 2+', '3+', '−, 'sub': '2', '(1) mix a soluble salt of a divalent metal ion M, a soluble salt of a trivalent metal ion M′, a soluble salt of a chain alkyl anion A and a carbon source molecule C and dissolve them in deionized and CO-eliminated water to prepare a mixed salt solution;'} {'br': None, 'sup': 2+', '3+', 'x+', '−, 'sub': 1-x', 'x', '2', 'x', '2, '[MM′(OH)]A.αC.βHO'}, 'mix the mixed salt solution with an alkali solution under nitrogen protection and subject them to reaction and crystallization at 60° C. to 80° C. for 6 to 10 hours under nitrogen, filter the suspension obtained thereafter and wash the filter cake with deionized water until the pH of the ...

A method for efficiently separating magnesium and lithium from salt lake brine and simultaneously preparing high-purity magnesium oxide and battery-grade lithium carbonate

This invention provides a method for efficiently separating magnesium and lithium from salt lake brine, and simultaneously preparing high-purity magnesium oxide and battery-grade lithium carbonate. The detailed processing steps are as follows: (1) adding urea into the brine to dissolve, (2) placing the solution into the reactor for hydrothermal reaction, the magnesium ion will precipitate and enter the solid phase; (3) filtering and drying the production to get the magnesium carbonate solid, while the lithium ion remains in the liquid phase; (4) after directly concentration and precipitation, the battery-grade lithium carbonate can be obtained, while the calcination of solid-phase product results in the high-purity magnesium oxide. In this method, urea is used as the precipitant to separate magnesium and lithium in salt lake without introducing any new metal ion, and the brine solution is not diluted. The solid product is white and fluffy powder, which is easy to filter and separate. The extraction rate of lithium is high than 94%, and the purity of MgO obtained by calcination is higher than 99.5%.

Cognitive responses with electronic messaging

Providing cognitive responses with an electronic message system includes predicting an urgency level corresponding to an electronic message received by the system based on detecting pre-defined features within the message and assigning a classification to the message based on the detected features. The message and corresponding urgency level can be mapped to a response action based on the classification assigned to the message. A notification of the response action and corresponding urgency level can be generated.

Method for extracting magnesium and lithium and producing layered double hydroxide from brine

The present invention relates to a method for extracting magnesium and lithium and also producing layered double hydroxides (LDH) from brine, comprising the steps of: adding an aluminum salt to brine, to prepare a mixed salt solution A for preparing MgAl-LDH; adding an alkaline solution to carry out co-precipitation, followed by crystallization; after the crystallization is complete, performing solid-liquid separation to obtain a solid product of MgAl-LDH and a filtrate; concentrating the filtrate by evaporation to obtain a lithium-rich brine, adding an aluminum salt thereto to prepare a mixed salt solution B for preparing LiAl-LDH; adding the mixed salt solution B to an alkaline solution to carry out precipitation; after the precipitation is complete, performing solid-liquid separation to obtain a solid product of LiAl-LDH and a filtrate; and concentrating the filtrate by evaporation, returning the solution concentrated by evaporation to the lithium-rich brine for recycled use. This method uses mild reaction and simple equipment, has a small loss of Li, can achieve isolation of resources from salt lakes, and can also obtain functional materials having a high added value. 1. A method for extracting magnesium and lithium and also producing layered double hydroxides (LDH) from brine , characterized in that the method comprises the steps of:adding an aluminum salt to brine, to prepare a mixed salt solution A for preparing MgAl-LDH; adding an alkaline solution to carry out co-precipitation, followed by crystallization; after the crystallization is complete, performing solid-liquid separation to obtain a solid product of MgAl-LDH and a filtrate;concentrating the filtrate by evaporation to obtain a lithium-rich brine, adding an aluminum salt thereto to prepare a mixed salt solution B for preparing LiAl-LDH; adding the mixed salt solution B to an alkaline solution to carry out precipitation; after the precipitation is complete, performing solid-liquid separation to obtain ...

Method for Extracting Lithium from Salt Lake Brine and Simultaneously Preparing Aluminum Hydroxide

The present disclosure relates to a method for extracting lithium from salt lake brine and simultaneously preparing aluminum hydroxide. This method includes: a. adding an aluminum salt to the brine to obtain a mixed salt solution A, adding an alkali solution to the mixed salt solution A for co-precipitation reaction, then subjecting to crystallization reaction and solid-liquid separation at the end of the reaction to obtain magnesium-aluminum hydrotalcite solid product and lithium-containing brine, wherein in step a, the alkali solution is an alkali solution free of carbonate ion; b. evaporating and concentrating the lithium-containing brine to obtain a lithium-rich brine, adding an aluminum salt to the lithium-rich brine to obtain a mixed salt solution B, adding an alkali solution dropwise to the mixed salt solution B to perform a co-precipitation reaction and solid-liquid separation after the end of the reaction to obtain a lithium-containing liquid and a lithium-containing layered material filter cake, wherein in step b, the alkali solution is an alkali solution free of carbonate ion; c. dispersing the lithium-containing layered material filter cake in deionized water to form a suspension slurry, then adjusting the pH value of the suspension slurry so as to carry out a lithium deintercalation reaction; d. filtering the slurry obtained after the lithium deintercalation reaction to obtain a lithium-containing solution and aluminum hydroxide filter cake; e. washing the aluminum hydroxide filter cake with deionized water and drying to obtain aluminum hydroxide solid.

METHOD AND APPARATUS FOR DE-INTERLACING TELEVISION SIGNAL

Method and apparatus for de-interlacing a television signal are provided. The method includes: determining whether a pixel to be interpolated is in a strictly static mode; if it is in the strictly static mode, obtaining a pixel value of a first pixel in a previous field which corresponds to the pixel to be interpolated, and setting a pixel value of the pixel to be interpolated to be equal to the pixel value of the first pixel; if it is not in the strictly static mode, determining gradient bands along a plurality of directions by taking the pixel to be interpolated as a center, determining a direction of the pixel to be interpolated based on the gradient bands, and setting the pixel value of the pixel to be interpolated by interpolation based on the direction. Accuracy of the pixel value of the pixel to be interpolated may be improved. 1. A method for de-interlacing a television signal , comprising:determining whether a pixel to be interpolated is in a strictly static mode;if it is determined that the pixel to be interpolated is in the strictly static mode, obtaining a pixel value of a first pixel in a previous field which corresponds to the pixel to be interpolated, and setting a pixel value of the pixel to be interpolated to be equal to the pixel value of the first pixel in the previous field; andif it is determined that the pixel to be interpolated is not in the strictly static mode, determining gradient bands along a plurality of directions by taking the pixel to be interpolated as a center, determining a direction of the pixel to be interpolated based on the gradient bands, and setting the pixel value of the pixel to be interpolated by interpolation based on the direction,wherein the method further comprises: before the direction of the pixel to be interpolated is determined based on the gradient bands, performing downsampling to the gradient bands along the plurality of directions to obtain simplified gradient bands along the plurality of directions.2. The ...

Accessing window of remote desktop application

This disclosure relates to a method, system, and computer program product for accessing remote desktop applications. In one implementation, a computer-implement method is provided. According to the method, a split view of a window of an application running on a host device is determined at the host device, wherein the split view comprises a plurality of sub-windows, and each of the sub-windows provides a view of a portion of the window. Information about the sub-windows is sent to a client device in communication with the host device. Frame buffer data of at least one of the sub-windows is transmitted to the client device in response to receiving a selection of the at least one sub-window from the client device.

A package method of anion supermolecule intercalation structured material

The present invention discloses a package method of anion supermolecule intercalation structured material. According to the principle of the synthesizing of LDHs laminar-column material, the anion of guest molecules are packaged between hydrotalcites, to obtain the supermelocule structured laminar-column material, by selecting special guest molecules and employing back-mixing depositing intercalation package method, and by controlling the density of ions, the kinds of cations and the kinds of guests in the laminars. This method doesn't employ N2 as shielding gas, and it is more simple to be operated, the obtained crystal is more unity, the structure is more concord, and the guests of the interlaminar are pure. This method overcomes the problems encountered by the prior intercalated package method, such as having many amorphous phases, employing N2 as shielding gas, and the obtained interlaminar guests are not pure.

Use of supported nanoscale mgo as disinfecting material

MgO is supported on the surface of A1203 and dispersed highly on it such that the particle size of MgO is nanosize(4-11nm) according to the present invention. The supported MgO has disinfecting effect, when it has MgO loading between 18% and 25%, it can kill above 99.9% Bacillus subtilis var.niger spores or Staphylococcus aureus after 24h, thereby meeting the requirement of disinfecting agent. Compared to other disinfecting agent, the supported nanoscale Mg0 disinfecting material has advantages such as colorless, nontoxic, simple disinfecting conditions, high disinfecting efficiency and so on. The method for preparation of supported nanoscale Mg0 according to the invention is simple and suitable for large-scale production.

Magnetic superfine solid acid catalyst with double shell structure and process for preparing

The present invention relates to the magnetic superfine solid acid catalyst with double shell structure and the process for preparing it. The properties of structure for catalyst is that the magnetic nucleus surface is covered by carrier with high specific surface area and hence forms carrier with magnetic nucleus on which there is a layer of strong acid solid acid. This catalyst is prepared by coating the surface of magnetic nucleus Fe3O4, Co-Fe3O4, Mn-Fe3O4 or Ni-Fe3O4 with carrier having high specific surface area, such as SiO2, ZrO2, Al2O3, TiO2, etc. by using sol-gel method, followed by dispersing strong acid solid acid Zr(SO4)2, SO42- -ZrO2, etc. into the surface of carrier with magnetism by using impregnation method. Such solid acid catalyst with double shell structure is mainly used to acid catalystic reaction, which has the advantage of having magnetism and high activity.

Method and apparatus for de-interlacing television signal

Method and apparatus for de-interlacing a television signal are provided. The method includes: determining whether a pixel to be interpolated is in a strictly static mode; if it is in the strictly static mode, obtaining a pixel value of a first pixel in a previous field which corresponds to the pixel to be interpolated, and setting a pixel value of the pixel to be interpolated to be equal to the pixel value of the first pixel; if it is not in the strictly static mode, determining gradient bands along a plurality of directions by taking the pixel to be interpolated as a center, determining a direction of the pixel to be interpolated based on the gradient bands, and setting the pixel value of the pixel to be interpolated by interpolation based on the direction. Accuracy of the pixel value of the pixel to be interpolated may be improved.

Blood collection system and automatic blood collection device

A blood collection system including an automatic blood collection device and a blood collection constraint and detection device is disclosed. The automatic blood collection device provides a clamping subsystem, a translation subsystem, and a rotation subsystem that allows a device of the present disclosure to automatically collect a blood sample within a plurality of blood collection containers. The device of the present disclosure frees the hands of a nurse or medical practitioner after a patient's vein or artery is successfully pierced so that the nurse or medical practitioner can focus on taking care of a patient's needle side to manage blood collection.

A highly oriented, layered metal double hydroxides film and its preparing method

The present invention relates to a highly oriented, layered metal double hydroxides (LDHs) and its biomimetic synthesis method. The film of LDHs is grown on polymer substrate, and its general formula is [M2 1-xM3+x (OH) 2] x+(CO3 2-) x/2 . y H2O. The crystal face (001) (or the crystal face ab) of the film of LDHs is perpendicular to the surface of the substrate, and the film is highly oriented and compact, and the thickness of the film is between 0.5 µ m and 5 µ m. The preparing method of the film comprises: horizontally suspending the surface sulfonated polymer material as substrate of the film in the solution containing urea and corresponding metal salts; controlling the decomposition rate of urea by controlling the reaction temperature and time so as to control the release of the anion; making LDHs to be nucleated on the substrate and grown with orientation; then the film of the present invention is obtained. The problems that the film of LDHs is only deposited on inorganic substrate in the past and the orientation of the LDHs crystal in the film is poor are solved.

Method for preparing graphene by using two-dimensional confined space between the layers of inorganic layered materials

The present invention relates to a method for preparing graphene using the two-dimensional confined space between the layers of inorganic layered materials. Such method comprises the following steps: mix a soluble salt of a divalent metal ion M 2+ , a soluble salt of a trivalent metal ion M′ 3+ , a soluble salt of a chain alkyl anion A − and a carbon source molecule C and dissolve them in deionized and CO 2 -eliminated water to prepare a mixed salt solution; mix the mixed salt solution with an alkali solution under nitrogen protection and subject them to reaction and crystallization under nitrogen, and filter the suspension obtained thereafter and wash the filter cake with deionized water until the pH of the filtrate is 7 to 7.5, and then dry the filter cake to obtain layered double hydroxides with an intercalated structure; under an inert atmosphere or a reducing atmosphere, calcinate the layered double hydroxides with an intercalated structure to provide a calcinated product; add the calcinated product into a hydrochloric acid solution for ultrasonic treatment, and separate the solution by centrifugation and wash the precipitate obtained by centrifugation with deionized water until the pH of the filtrate is 6.5 to 7 to obtain the graphene.

A anionic laminar material immobilized enzyme and preparation method thereof

A microsphere of layered double hydroxide and method for preparing the same

Disclosed are a microsphere of layered double hydroxide and method for preparing the same. The method comprises the steps of preparing particles of layered double hydroxide (hydrotalcite-like compound) having a nano-sized or submicron-sized particle size, making the hydrotalcite-like compound into a slurry with an amount of solid content, adding appropriate binders to the slurry so as to obtain a colloidal slurry suitable for spray drying, and granulating and drying the colloidal slurry with a rotary spray dryer, thereby obtaining the microspheres having a particle size of 5-100 μm, a bulk density of 0.4-0.8 g/cm3, a specific surface area of 40-150 m2/g, a pore volume of 0.1-0.8 cm3/g and most probable pore size of 2-40 nm. The microspheres can be directly used to fields of catalysis and separation without shaping due to its spherical shape and its pore size distribution that is within the scope of mesopores, and can reduce the resistance of mass transfer and the deposition of carbon.

Procede de preparation de film mince transparent fortement oriente a double couche d'hydroxyde

Hydrotalcite du type a radical nitrate dote de photochromisme et procede de preparation correspondant

Procédé de préparation d'un nanoréacteur à structure supermoléculaire

Benzocarbazole-intercalated layered double hydroxides composite luminescent material and its preparation method

The present invention discloses a benzocarbazole-intercalated layered double hydroxides (LDHs) composite luminescent material and its preparation method. The detailed procedure comprises preparing divalent and trivalent metal cation solution A and glycol solution B of sodium 2-hydroxy benzo[a]carbazole-3-carboxylate, mixing the solutions A and B to obtain solution C, slowly adding the prepared NaOH solution dropwise into the solution C, regulating pH of the resultant after dropwise addition to obtain slurry D, allowing the slurry D to react under water bath or microwave temperature-controlled heating condition, centrifuging and washing the obtained product, and drying in vacuum to obtain 2-hydroxy benzo[a]carbazole-3-carboxylate anion intercalated LDHs composite material. The method implements the immobilization of sodium 2-hydroxy benzo[a]carbazole-3-carboxylate, effectively improves thermal stability of the luminescent dye molecules, and reduces fluorescence quenching caused by aggregation of the dye molecules.

Catalyseur pour la croissance de nanotubes de carbone et procede de preparation associe

Complexe d'hydroxyde double en couche inséré par dipeptiven et son procédé d'élaboration

Catalyseur structure a hydrotalcite utilisant al comme substrat et son procede de preparation

Formulation de glycophosphate a liberation lente a structure supermoleculaire, et procede de preparation correspondant

Method for preparation of magnetic spinel ferrites from layered double hydroxide precursors

The invention describes a method of preparing magnetic ferrites from layered precursors in which Fe 2+ is first introduced into the layers of layered double hydroxides (LDHs) in order to prepare Me-Fe 2+ —Fe 3+ LDHs, and then by utilizing the easily oxidized nature of Fe 2+ , binary or multi-component ferrite materials containing Fe 3+ in a single crystalline phase can be prepared. Values of the saturation magnetization of ferrites prepared by the method are significantly increased compared with ferrites prepared by traditional methods. Because the metal elements in the layered precursor have the characteristics of a high degree of dispersion, high activity and small particle size (average particle size 40-200 nm), no milling is required before calcination, thus simplifying the production process, shortening the production period, reducing capital investment in equipment and economizing on energy costs. In addition, the method does not corrode production equipment and does not pollute the environment.

Procede du non-equilibre permettant la preparation d'un oxyde de metal composite de bishydroxy de type ma-al

Captopril a ciblage magnetique et liberation lente et procede pour le preparer

A superfine flame retardant agent having smoke suppression and method of the same

Method for preparation of magnetic spinel ferrites from layered double hydroxide precursors

The invention describes a method of preparing magnetic ferrites from layered precursors in which Fe 2+ is first introduced into the layers of layered double hydroxides (LDHs) in order to prepare Me-Fe 2+ —Fe 3+ LDHs, and then by utilizing the easily oxidized nature of Fe 2+ , binary or multi-component ferrite materials containing Fe 3+ in a single crystalline phase can be prepared. Values of the saturation magnetization of ferrites prepared by the method are significantly increased compared with ferrites prepared by traditional methods. Because the metal elements in the layered precursor have the characteristics of a high degree of dispersion, high activity and small particle size (average particle size 40-200 nm), no milling is required before calcination, thus simplifying the production process, shortening the production period, reducing capital investment in equipment and economizing on energy costs. In addition, the method does not corrode production equipment and does not pollute the environment.

Ignifugeant surfin supprimant la fumee et son procede de preparation

Acide 5-aminosalicylique de type a liberation lente dans une structure intercalee magnetique et son procede de preparation

Preparation method of composite luminescent thin film of sulfonated poly (p-phenylene) and layered double hydroxides

The present invention provide a preparation method of composite blue luminescent thin film of sulfonated poly(p-phenylene) (i.e. poly[2,5-bis(3-sulfonatopropoxy)-1,4-phenylene-alt-1,4-phenylene]) and LDHs (Layered Double Hydroxides). The preparation method comprises following steps: preparing delaminated LDHs colloidal solution using formamide solvent, preparing sulfonated poly(p-phenylene) aqueous solution, performing alternate assembling on hydrophilically treated substrate in the two solutions to give the composite thin film of sulfonated poly(p-phenylene)/LDHs multilayer. The present invention has the advantages of simple preparation process, and film thickness controllable at nanoscale precision; the invention also achieves the immobilization of luminescent polymer via restricted space among LDHs layers and host-guest interaction, effectively improves thermal stability, and reduces fluorescence quenching caused by aggregation.

Preparation method of composite luminescent thin film of sulfonated poly (p-phenylene) and layered double hydroxides

A preparation method of composite blue luminescent thin film of sulfonated poly(p-phenylene) (i.e. poly[2,5-bis(3-sulfonatopropoxy)-1,4-phenylene-alt-1,4-phenylene]) and LDHs (Layered Double Hydroxides) is disclosed. The preparation method comprises the following steps: preparing delaminated LDHs colloidal solution using formamide solvent, preparing sulfonated poly(p-phenylene) aqueous solution, and performing alternate assembling on hydrophilically treated substrate in the two solutions to give the composite thin film of sulfonated poly(p-phenylene)/LDHs multilayer. The preparation method has the advantages of simple preparation process, and film thickness controllable at nanoscale precision, in addition, this method also achieves the immobilization of luminescent polymer via restricted space among LDHs layers and host-guest interaction, effectively improves thermal stability, and reduces fluorescence quenching caused by aggregation.

Composite Hydrophilic Membrane Electrode, Membrane Capacitor Cell, Preparation Method and use Thereof

The present disclosure provides a composite hydrophilic membrane electrode, a membrane capacitor cell, a preparation method and use thereof. The method for preparing the composite hydrophilic membrane electrode includes: mixing Li 2 CO 3 with TiO 2 evenly to obtain a mixture, and baking the mixture to obtain a Li 2 TiO 3 precursor; mixing the Li 2 TiO 3 precursor with graphene oxide evenly to obtain a Li 2 TiO 3 /graphene oxide composite material; calcining the Li 2 TiO 3 /graphene oxide composite material to obtain a Li 2 TiO 3 /reduced graphene oxide composite material; modifying the Li 2 TiO 3 /reduced graphene oxide composite material with tannic acid to obtain a modified active electrode material; and mixing the modified active electrode material with a solvent to obtain an active electrode slurry, applying the active electrode slurry onto a titanium plate, and baking the active electrode slurry to obtain the composite hydrophilic membrane electrode.

Procédé utilisant l'hydrotalcite pour séparer les isomères d'acide hydroxybenzoïque

Procede de preparation de nanoparticules de spinelle avec une grande surface specifique par l'intermediaire de precurseurs lamellaires

Move of object between pages of editable document

Embodiments relate to moving an object between pages of an editable document. An aspect includes determining that the object in an edit page of the editable document has been dragged to a target page thumbnail of the editable document. Another aspect include zooming in the target page thumbnail. Yet another aspect includes moving the object in the zoomed-in target page thumbnail.

Self-balanced high-pressure and high-shear autoclave and the application in the preparation of layered double hydroxides

The present invention belongs to the synthesis technology field of inorganic functional materials, and particularly provides a self-balanced high-pressure and high-shear autoclave and its application in the preparation of layered double hydroxides (LDHs). In this invention, by imbedding the handpiece of emulsification mill into the autoclave, and by taking the motor driving system outside of the autoclave, the pressure of the autoclave can be highly stable by the use of self-balanced seal gland. These characters solve the problem that the typical emulsification mill cannot be used in high-pressure system, and ensure the crystallization under the high-pressure and high-shear conditions. Such autoclave takes the advantages of additional equipment, and eliminates the volume effect in the amplification process. By the use of this new autoclave, the reaction time can be shorten from 24 hours to 2-6 hours, the reaction temperature can be reduced from 180° C. to 140° C. The LDHs products with small particle size and narrow size distribution are obtained. These results are better than those prepared at the laboratory level.