404 results about "Soluble polymer" patented technology

The invention belongs to the technical field of biomass composite material processing, and discloses a plant fiber-polymer composite material and a preparation method thereof. The plant fiber-polymer composite material is prepared from the following raw materials in parts by mass through plasticizing extrusion molding: 50 to 88 parts of plant fibers, 0.5 to 8 parts of a biomass cross-linking agent, 0.5 to 5 parts of a low-temperature water-soluble polymer, 10 to 50 parts of water and 0.05 to 3 parts of metal ions, wherein the metal ions and the biomass cross-linking agent form a reversible cross-linked network in the system through coordination; due to the existence of the reversible cross-linked network, the composite material can be plasticized and continuously extruded and molded under the shearing action at the temperature of 20-70 DEG C. The metal ion-biomass cross-linking agent coordination network provides high structural strength in a static state and is reversibly dissociated in a shear field, so that shear-driven plasticizing of a high-viscosity and high-fiber-content system in a low-temperature interval of 20-70 DEG C is realized.

The invention discloses a composite gel particle plugging agent for plugging steam channeling as well as preparation and application of the composite gel particle plugging agent. Belongs to the technical field of oilfield chemistry. The plugging agent disclosed by the invention has a triple combination structure of'rigid inorganic core-elastic gel shell-oil soluble surface layer ', and the elastic gel shell permeates through a cross-linked network and is chemically anchored in a porous structure of the core to form an organic-inorganic interpenetrating interface. The surface modifier is an oil soluble polymer. The plugging agent disclosed by the invention realizes cooperation of rigid support, elastic plugging and flexible selectivity, so that after the plugging agent is aged for 7 days in a steam environment with the temperature of 300 DEG C and the mineralization degree of 20 * 10 < 4 > mg / L, the volume retention rate is greater than or equal to 85%, the single-particle compressive strength is greater than or equal to 1.5 MPa, and the ratio (selectivity index) of the plugging rate to a water-phase channel to the damage rate to an oil-phase channel is greater than or equal to 7.0; the technical problems that an existing plugging agent is prone to failure under the extremely high temperature and high salt, the plugging strength is low, and flexible selectivity is lacked are effectively solved.

The invention discloses a coating for a chemical plating process and a preparation method of the coating, and belongs to the field of three-dimensional precision machining. The coating is arranged on the surface of a base material, and based on the mass percentage of the coating, the coating comprises 55%-85% of a cross-linked product of an epoxy resin AB agent, 1%-5% of nano metal particles and 10%-40% of water-soluble polymers. The coating is adopted for a chemical plating process, the process steps are few, and the binding force between a metal circuit and a base material in the prepared three-dimensional interconnection molding device is excellent.

The present invention aims to provide a composition with higher ability to enhance early strength development compared to conventional compositions. The present invention relates to an aluminosilicate-containing composition containing: an aluminosilicate; and a water-soluble polymer, the aluminosilicate-containing composition further containing at least one of an amine having a molecular weight of not more than 1,000 or a metal compound.

The application provides a preparation method of high-conductivity carbon fiber paper and belongs to the technical field of fuel cells. The method comprises the following steps: step 1, dissolving a water-soluble polymer in water to prepare a dispersion liquid with a certain concentration; step 2, dispersing short-cut carbon fibers with a certain thickness of metal plating layer in the dispersion liquid to prepare a fiber slurry; step 3, performing wet papermaking on the slurry, and performing pressing and drying to prepare a raw paper; and step 4, performing high-temperature hot pressing treatment on the raw paper under a reducing atmosphere and a certain pressure to prepare a primary carbon paper. The prepared carbon paper has an electrical resistivity less than 3 mΩ·cm, a porosity greater than 80%, and a gas permeability greater than 2200 ml·mm / [cm 2 ·h·mm·Aq]. The application improves the electrical conductivity of the carbon paper and the gas permeability of the carbon paper, and the process is simple, and the performance of the fuel cell can be obviously improved.

According to the present invention, a moderately high polishing speed for a specific material and appropriate ratio of polishing speeds between two or more different materials are achieved in polishing using a polishing composition. The present invention relates to a polishing composition comprising abrasive grains, a water-soluble polymer having no alcoholic hydroxyl group in a side chain, a polyvalent carboxylic acid (salt), and an oxidizing agent, and having a pH of less than 6.

The invention provides a semi-interpenetrating network polymer plugging agent for drilling fluid and a preparation method and application thereof, and the preparation method comprises the following steps: 1) mixing an oil-soluble monomer A and an oil-soluble polymer B, and completely dissolving the oil-soluble polymer B to obtain an oil phase; 2) mixing an emulsifier A, an emulsifier B, a water-soluble organic monomer C and water to obtain a water phase; 3) mixing 65-70% of the oil phase and the water phase, and emulsifying to obtain an emulsion reaction mixed solution; (4) carrying out heat-preservation polymerization on the emulsion reaction mixed solution and a section of initiator to obtain a polymerized emulsion; and 5) continuously carrying out heat preservation polymerization on the polymerized emulsion, 30-35% of the remaining oil phase, a cross-linking agent and a second-stage initiator to obtain the semi-interpenetrating network polymer plugging agent. The plugging agent has temperature resistance, elastic deformability and cohesiveness, the temperature resistance can reach 180 DEG C, the plugging agent is good in compatibility with oil-based drilling fluid and water-based drilling fluid, the filtration loss reduction and plugging effects are obvious, and the plugging agent can be used for plugging high-temperature strata; and the adhesive wall protection effect is also achieved.

The invention provides a spraying film agent and a preparation method thereof. The spraying film agent comprises a phase A and a phase B, wherein the phase A is uniformly dispersed in the phase B; wherein the phase A is a water-in-oil structure microsphere, and the water-in-oil structure microsphere is formed by wrapping a water-soluble active substance with a surfactant; and the phase B comprises a low-polarity organic solvent and a film-forming agent. On the basis of a reverse micelle technology, a water-soluble active substance is wrapped by a surfactant to form a water-in-oil structure microsphere, in the structure, the hydrophilic end of the surfactant inwards forms a water pool for accommodating the water-soluble active substance, and the hydrophobic end of the surfactant outwards enables the water-soluble active substance to be uniformly dispersed in a low-polarity solvent; therefore, the uniform and stable dispersion of the water-soluble active substance in the low-polarity solvent phase is realized. The contradictions that a traditional water-soluble polymer matrix is slow in film forming and water-soluble active ingredients cannot be stably dispersed in a low-polarity quick-drying solvent are solved.

A photosensitive resin composition contains an alkali-soluble polymer (A), a photosensitizer (B), a crosslinking compound (C) having a crosslinkable group that reacts with a component (D) below by heat, a compound (D) represented by formula (1), and a solvent (E). X11 represents, for example, a nitrogen atom, R11 represents a hydrogen atom or a group represented by formula (2). L21 represents, for example, a single bond, R21 represents, for example, a hydrogen atom, R22 represents a monovalent organic group, and n21 to n23 represent an integer of 0 or more. At least one of three R11's is represented by formula (2), and in at least one group represented by formula (2), n21 is an integer of 1 or more, and at least one R21 is a hydrogen atom.

Provided is a water-soluble sheet-like coloring material in which sheets are less likely to stick to each other, have appropriate self-standing property and flexibility, and can be quickly brought into a uniform state when dissolved in water.A water-soluble sheet-like coloring material including a film-forming water-soluble polymer; a dissolution accelerator; a colorant; and a moisture-retaining agent.

Provided is a water-soluble polymer that has a low viscosity and can withstand use in strongly acidic or powerfully oxidizing environments such as in hydrogen peroxide.　A polymer according to the present invention includes a structural unit represented by formula (1) and has a viscosity of at least 10 mPa·s in a 10 mass% aqueous solution. (In formula (1), m and n are 0 or 1, m+n=1, and R1–R5 represent a hydrogen atom, a C1–8 alkyl group or hydroxyalkyl group, or a phenyl group.)

The present invention relates to a single-layer or multilayer coated polyester film having a transparency of at least 92%, with the polyester film having a first surface and a second surface, in which a permanent anti-fog coating has been applied to at least one of the surfaces of the polyester film and the anti-fog coating includes at least one water-soluble polymer, an inorganic, hydrophilic material and a crosslinker. The water-soluble polymer is a polyvinyl alcohol or a hydrophilic polyvinyl alcohol copolymer. Furthermore, the present invention relates to production processes for the coated polyester film and to energy saving mats in greenhouses produced therefrom.

This invention relates to antifouling composite membranes, their preparation methods, and applications. The preparation method of the antifouling composite membrane includes the following steps: preparing a coating solution by mixing water-soluble polyphenols, protein, a water-soluble polymer containing carboxyl groups, a soluble calcium salt, and water; placing the coating solution on the surface of a separation membrane; then placing the separation membrane with the coating solution in a sealed container containing bicarbonate; and performing heat treatment to form a pre-formed antifouling layer, thereby obtaining a pre-formed antifouling composite membrane. The heat treatment temperature is greater than or equal to the thermal decomposition temperature of the bicarbonate. Finally, the pre-formed antifouling composite membrane is cleaned to form an antifouling layer, resulting in the antifouling composite membrane. The antifouling composite membrane prepared by this method exhibits high stability, high rejection rate, high water flux, and high antifouling performance when applied to water treatment.

This invention relates to edge adhesive for positive electrode sheets, coating compositions, positive electrode sheets, and batteries, belonging to the field of lithium-ion battery technology. The technical problem solved by this invention is to provide an edge adhesive for positive electrode sheets. This edge adhesive comprises an oil-soluble polymer with a flexible polymer as the main chain and a polar polymer as the branch chain. The edge adhesive of this invention has good adhesion to metal foils and a hot-pressing bonding effect on olefin separators. Without changing existing processes and equipment, the edge adhesive composition is simultaneously applied to the edge of the positive electrode sheet during coating, completely avoiding burrs and powder shedding. In the subsequent hot-pressing and shaping of the battery cell, this coating composition can firmly bond the electrode sheet and separator together, maintaining the flatness of the electrode assembly and preventing electrode misalignment during battery vibration, which can reduce the risk of short circuits in the battery cell and improve the overall safety and electrochemical performance of the battery.

This invention discloses a chemical mechanical polishing (CMP) slurry. The raw materials of the CMP slurry include the following components: a water-soluble small molecule containing a morpholine ring, a water-soluble polymer with a main chain or side chain containing polyoxyethylene chains, an abrasive, an alkaline compound, and water. This technical solution can improve the edge collapse phenomenon of silicon wafers while achieving high flatness in the central region of the silicon wafer, thereby improving the overall surface flatness of the silicon wafer and meeting the needs of silicon wafer flatness in production.

A negative electrode (12) according to an embodiment of the present invention comprises: a negative electrode core (40); and a negative electrode mixture layer (41) that is positioned on the negative electrode core (40), the negative electrode mixture layer (41) containing a negative electrode active material (50) and a water-soluble polymer (51). The water-soluble polymer (51) is present such that an amount of 0.50 mass % or more relative to the negative electrode active material (50) is adsorbed onto the negative electrode active material (50), and an amount of 1.05 mass % or less is separated from the negative electrode active material (50). The negative electrode active material (50) includes a carbon material and a silicon-containing material.

The application discloses a water-soluble polymer-based proton-type memristor and a preparation method thereof. The memristor has a sandwich structure and is sequentially composed of a top electrode, an inorganic resistive switching functional layer, an organic resistive switching functional layer and a bottom electrode. The top electrode is a metal active electrode, the bottom electrode is indium tin oxide (ITO), the inorganic resistive switching functional layer is a metal oxide film, and the organic resistive switching functional layer is a doping system composed of a water-soluble polymer and a doping material. The preparation process of the proton-type memristor is reliable and stable. The obtained memristor has the characteristics of high biocompatibility and green environmental protection. The device performance consistency and environmental dependence are improved, and the simulation of bionic synaptic plasticity is greatly improved. The device can be controlled by using a low voltage, has low power consumption, and has a good bidirectional current modulation effect, so that the device provides a possibility for further enriching synaptic functions and designing flexible wearable devices.

The invention belongs to the technical field of micro-nano machining, and particularly relates to a hollow metal nano array and a preparation method and application thereof. According to the invention, a regular polymer nano array is prepared based on an ultraviolet light curing nano imprinting technology and a plasma etching technology; then metal evaporation is carried out in combination with an electron beam evaporation dip angle evaporation process, so that the surface of the polymer nano array is partially coated with metal, and a polymer / metal composite nano array with a notch is obtained; and dissolving by using a solvent to remove the water-soluble polymer nano-columns in the polymer / metal nano-array with the notches, so as to prepare the large-area hollow metal nano-array of which the morphology, the size and the period can be flexibly designed. Sulfydryl benzaldehyde molecules are fixed on the surface of the hollow metal nano array to form an SERS (Surface Enhanced Raman Scattering) substrate which is used for detecting hydrazine hydrate. The SERS substrate prepared on the basis of the hollow metal nano array shows high sensitivity, specificity, repeatability and stability.

The present invention provides a heat damage inhibitor composition for hair that suppresses heat-induced damage to the hair and maintains smooth texture and manageability even after heat treatment. [Solution] A heat damage inhibitor composition for hair, comprising (A) an arginine derivative represented by general formula (1) and (B) an anionic water-soluble polymer, wherein the weight blending ratio ((A) component / (B) component) is 0.5 to 10.0. TIFF2026049878000009.tif3864 (In general formula (1), M is a hydrogen atom, an alkali metal, an alkaline earth metal, or an alkanolamine such as monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, or triisopropanolamine.)

Provided are: an ink that contains a pigment, water, a water-soluble organic solvent having a boiling point of 200°C or lower, a water-soluble polymer A which contains an acid group, and a water-soluble polymer B which contains an ethylene oxide group and does not contain an acid group, the amount of the water-soluble organic solvent having a boiling point of 200°C or lower being 5-20 mass% relative to the total amount of the ink, the total amount of the water-soluble polymer A and the water-soluble polymer B being 3-8 mass% relative to the total amount of the ink, and the water-soluble polymer A and the water-soluble polymer B both being free within the ink without being adsorbed to the pigment; and the use of the aforementioned ink.

The present application relates to the technical field of water-soluble polymer emulsion, in particular to a composite anion modified polyacrylate flocculant emulsion, a preparation method and application thereof.The preparation method comprises (1) water phase preparation, (2) oil phase preparation, (3) mixed emulsification, (4) inverse emulsion polymerization, (5) emulsion monomer modification, and (6) emulsion post-treatment.The composite anion modified polyacrylate flocculant emulsion can be used in the red mud settling and washing process.The present application increases flocculation, adds polymerization aids, structural functional monomers and emulsion monomer modification processes, maximizes the content of active components, enriches the monomer functional groups, makes the molecular weight of long-chain molecules of the flocculant larger, enhances the bridging capacity and electrical neutralization performance, and improves the applicability of low aluminum-silicon ratio diaspore and the economy of alumina production.

The application discloses a high-water-solubility florfenicol powder and a preparation method thereof, and belongs to the technical field of veterinary drug preparations. The powder is prepared from florfenicol, a water-soluble polymer carrier, tetraethyl orthosilicate or a mixture of the tetraethyl orthosilicate and methyl triethoxysilane and a C2-C6 organic polyacid containing polyhydroxy and polycarboxyl groups as raw materials through in-situ sol-gel spray drying one-step method. In the preparation, the controllable hydrolysis and condensation of organosilane and the in-situ esterification cross-linking of the organic polyacid are used to synergistically assemble and build an organic-inorganic hybrid network skeleton, and the amorphous florfenicol is anchored in the network skeleton. The product has both instant and moisture-proof properties. The method is simple in process, and the raw and auxiliary materials are safe and easy to obtain, so the method is suitable for industrial production and solves the problem that traditional solid dispersions are easy to absorb moisture and form lumps.

The purpose of the present invention is to provide a composition which is for use in hydraulic materials and attains excellent storage stability. An aluminosilicate-containing composition according to the present invention contains an aluminosilicate, wherein the aluminosilicate is one obtained by reacting an aluminum-containing compound with a silicon-containing compound at a temperature of 30°C or higher in the presence of a water-soluble polymer having at least one functional group selected from among a carboxyl group, a phosphoric acid group, a sulfonic acid group, salts of these, and phosphoric ester groups.

The present invention relates to a fracturing fluid comprising at least one propane and at least one water-soluble polymer obtained from the crystalline form of 2-acrylamido-2-methylpropanesulfonate sodium salt ATBS.Na. The present invention also relates to a method for preparing the fluid and a method of hydraulic fracturing using the fluid.

The object of the present invention is to provide an oil-in-water emulsion cosmetic for mist spray that has excellent SPF boosting effect, good stability, and a fresh, non-sticky feel. [Solution] The present invention relates to an oil-in-water emulsion cosmetic composition for mist spray, comprising an aqueous clay mineral together with an ultraviolet absorber, wherein the aqueous clay mineral content is 1.0% to 5%, and which does not contain a water-soluble polymer or an ultraviolet scattering agent.

Provided are: a method for producing a water-soluble polymer, the method making it possible to produce a water-soluble polymer under mild conditions from an adhesive as waste; a method for producing a water-absorbent polymer, the method making it possible to produce a water-absorbent polymer under mild conditions from an adhesive; a water-soluble polymer that can be produced from an adhesive; and a water-absorbent polymer that can be produced from an adhesive. The method for producing a water-soluble polymer according to an embodiment of the present invention includes bringing an adhesive treatment solution including a liquid having a Hansen solubility parameter of 31 or less and an alkali compound, the concentration of alkali compound in the adhesive treatment solution being 0.001-20 wt%, into contact with an adhesive.

The invention discloses a preparation method for a microchannel in a ceramic component, and belongs to the technical field of microchannel ceramics, and the preparation method comprises the following steps: S1, constructing a sacrificial template: constructing a three-dimensional sacrificial template by using a soluble polymer material according to the shape of the microchannel prepared in the ceramic component; s2, coating a sacrificial template: firstly preparing ceramic slurry used for manufacturing a ceramic part, embedding the sacrificial template into the ceramic slurry, and coating the sacrificial template with the ceramic slurry and forming the sacrificial template; s3, forming a microchannel, drying at low temperature to obtain a green body, and dissolving the sacrificial template with a chemical solvent to form the microchannel; and S4, degreasing and sintering: heating the green body with the micro-channel and then degreasing, and continuously heating and sintering after degreasing to obtain the ceramic component with the micro-channel. The structure precision of the prepared micro-channel can reach the micron level, the inner wall of the prepared micro-channel is smooth, and the manufacturing process is simple.

Provided is a secondary battery capable of suppressing the occurrence of wrinkles and cracks in a protective layer. The lithium ion secondary battery is characterized in that the positive electrode comprises a positive electrode core material and a positive electrode mixture layer arranged on the positive electrode core material, one side end part of the positive electrode core material is provided with a positive electrode core material exposed part in which the positive electrode mixture layer is not arranged, and a protective layer containing a water-insoluble polymer and an inorganic filler is arranged on the positive electrode core material exposed part. The protective layer has: a first protective layer disposed in a region facing the negative electrode with a separator interposed therebetween in the exposed positive electrode core part; and a second protective layer disposed in a region of the exposed portion of the positive electrode core material that is farther from the positive electrode mixture layer than in a region in which the first protective layer is disposed, the mass ratio of the inorganic filler in the first protective layer being greater than the mass ratio of the inorganic filler in the second protective layer. The mass ratio of the water-insoluble polymer in the second protective layer is greater than the mass ratio of the water-insoluble polymer in the first protective layer.

Described herein are methods and systems for increasing the injectivity of wells used to inject water or water containing various chemicals such as water-soluble polymers for the purpose of increasing the recovery of hydrocarbons such as crude oil from a hydrocarbon-bearing formation. Injectivity often decreases because of adverse reactions or plugging at or near the wellbore. The treatment procedure involves injecting reducing agents (e.g., sulfite or metabisulfite salts) dissolved in water or water containing other chemicals such as polymers.

Polishing compositions and methods are provided which enable barrier polishing with improved flatness for patterned substrates comprising copper, tantalum, and TEOS. Provided are polishing compositions comprising: an abrasive with a mean particle size (MPS) of 100 nm to 150 nm; a phosphate surfactant; an electronic conductivity (EC) controller; an organic acid; and a water-soluble polymer, wherein a ratio of a concentration of the abrasive to a concentration of the phosphate surfactant is greater than or equal to 50 and less than or equal to 1040.