5125 results about "ALLYL SUCROSE" patented technology

The present invention provides a variety of extended polyacrylic acid based binder compositions comprising a low molecular weight polyacrylic acid (typically hypophosphite or sulfite terminated), a crosslinking agent (such as triethanolamine or glycerol) and one or more water soluble materials, such as lignin, low molecular weight starch and soybean protein. The extended binder composition of the present invention provides a lower cost binder composition without degrading the performance and may be selected to alter one or more characteristics of the basic binder composition such binder wetting, emulsion compatibility, dust suppression and wash water flow properties.

A method of improving hydrocarbon recovery from oil sands, oil shale, and petroleum residues includes adding a polymeric or nonpolymeric processing aid capable of sequestering cations, such as the multivalent calcium, magnesium and iron cations. The hydrocarbons are preferably contacted with the processing aid before a primary separation of the hydrocarbons in order to increase bitumen recovery. A processing aid is provided in an effective amount to increase the liberation of the hydrocarbons from inorganic solids, particularly when the source is a poor processing ore. Preferred processing aids include citric acid or a polymeric acid selected from polyacrylic acid, polymethacrylic acid, salts of these acids, partial salts of these acids, and combinations thereof. The processing aids significantly increase the hydrocarbon recovery typically with concentrations less than 50 ppm and the polymeric processing aids can also provide beneficial flocculation of solids in tailings slurry.

The decomposer film product has a polymeric decomposer layer, a cover layer for protecting the decomposer film from the surroundings and a releasable support liner, which is removed prior to use. The polymeric decomposer film contains a water-soluble or water-insoluble polymeric adhesive material and a decomposition accelerator, which acts to decompose an effective ingredient, such as a steroid hormone, of a worn or unused transderamal patch, when the effective ingredient releasing layer of the patch adheres to the polymer film, so that the pharmaceutical effective ingredient comes into contact with the decomposition accelerator by diffusion. The decomposition accelerator includes a chemically oxidizing substance, preferably urea peroxide, manganese (III) acetate or iron (III) citrate. The water-insoluble polymeric adhesive material is preferably an acrylates adhesive. The water-soluble polymeric adhesive material is preferably polyvinyl alcohol, polyvinyl pyrrolidone, a cellulose derivative or a polyacrylic acid.

In a non-aqueous electrolyte secondary battery having a negative electrode containing Si as a negative electrode active material, a binder containing a non-crosslinked polyacrylic acid having a weight-average molecular weight of 300,000 to 3,000,000 is incorporated into a negative electrode molded article that constitutes the negative electrode, so as to prevent electrode decay resulting from expansion and contraction during charge/discharge, as well as to achieve high energy density and improved charge/discharge cycle characteristics.

A composition is disclosed herein comprising from about 0.001% to about 0.4% cyclosporin A, castor oil, and a surfactant selected from the group consisting of alcohol ethoxylates, alcohols, alkyl glycosides, alkyl polyglycosides, alkylphenol ethoxylates, amine oxides, block polymers, carboxylated alcohol or alkylphenol ethoxylates, carboxylic acids/fatty acids, cellulose derivatives, ethoxylated alcohols, ethoxylated alkylphenols, ethoxylated aryl phenols, ethoxylated fatty acids, ethoxylated fatty acids, ethoxylated fatty esters and oils, fatty alcohols, fatty esters, glycol esters, lanolin-based derivatives, lecithin and lecithin derivatives, lignin and lignin derivatives, methyl esters, monoglycerides and derivatives , phosphalipids, polyacrylic acids, polyethylene glycols, polyethylene oxide-polypropylene oxide copolymers, polyethylene oxides, polymeric surfactants, polypropylene oxides, propoxylated alcohols, propoxylated alkyl phenols, propoxylated fatty acids, protein-based surfactants, sarcosine derivatives, silicone-based surfactants, sorbitan derivatives, stearates, sucrose and glucose esters and derivatives, and combinations thereof.

A CMP polishing slurry of the present invention, contains cerium oxide particles, a dispersant, a polycarboxylic acid, a strong acid having a pKa of its first dissociable acidic group at 3.2 or less, and water, the pH of the polishing slurry is 4.0 or more and 7.5 or less, wherein the strong acid is contained 100 to 1,000 ppm or 50 to 1,000 ppm, or the strong acid is a monovalent strong acid contained 50 to 500 ppm or is a bivalent strong acid contained 100 to 1,000 ppm. The preferable polycarboxylic acid is a polyacrylic acid. The present invention allows polishing in the CMP methods of surface-smoothening an interlayer dielectric film, a BPSG film and a shallow-trench-isolation insulation film with high speed operation efficiently and easier process management and cause smaller fluctuation in film thickness due to difference in pattern density.

The application relates to the particulate water absorbing agent of the present invention composed primarily of a polyacrylic acid- or polyacrylate-based water absorbing resin and containing a chelating agent and a phosphorous compound. Accordingly, the particulate water absorbing agent composed primarily of a water absorbing resin achieves both excellent water absorbing properties and anti-coloring effect which would normally be incompatible. A particulate water absorbing agent for absorbent core is provided that is suitable for actual use.

The invention relates to a phase transition temperature adjusting cup, which comprises a cup body outer casing, a cup body inner casing and a top cover, and the composite phase transition material is filled between the inner casing and the outer casing. The composite phase transition material comprises phase transition material, a nucleating agent, heat conduction filling material and a thickening agent. The phase transition material is selected from one or more of sodium acetate trihydrate, sodium thiosulfate pentahydrate, twelve disodium hydrogen phosphate, sodium sulfate decahydrate and decahydrate. <{EN4}>The nucleating agent is selected from one or more of borax, sodium phosphate dibasic anhydrous, diatomaceous earth, silica, sodium silicate, eight water strontium hydroxide, hexahydrate chloride strontium. <{EN5}>The heat conduction filling material is selected from one or more of graphite, carbon nanotube, expanded graphite, carbon fiber, graphene, three-dimensional graphite foam, silicon carbide, copper powder. <{EN6}>The thickening agent is selected from one of polyacrylic acid emulsion or carboxymethylcellulose sodium. <{EN7}>Compared with existing temperature adjusting cups, the phase transition temperature adjusting cup of the present invention has the advantages of rapid cooling, simple structure convenient operation, 3-4 hours of comfort temperature zone, and not being restricted from external environment.

A substantially anhydrous gel useful for bleaching teeth comprising: (i) at least 25% by weight of organic polyol; (ii) less than 3% by weight polyacrylic acid thickening agent; (iii) at least 10% by weight carbamide peroxide (or a chemically equivalent amount of another bleaching agent, such as 3% by weight hydrogen peroxide); (iv) neutralizing agent; (v) chelating agents; (vi) desensitizing agent; and (vii) miscellaneous ingredients such as Cirtoxain(R) and flavorants. The organic polyol is preferably glycerin. The polyacrylic acid thickening agent is preferably a carbomer. The desensitizing agent is preferably potassium nitrate, strontium chloride, potassium citrate, strontium nitrate, or a similarly effective alkali or alkaline earth metal salt of an organic or inorganic acid.

The invention described herein relates to methods for reducing and/or stopping bleeding or fluid loss from open wound, denuded tissue, or burned skin, comprising the step of applying to the open wound, denuded tissue or burned skin a gel-forming composition comprising at least one of the following compositions: a polyacrylic acid having the structural formula [CH₂═CHCO₂H]_n, where n is between 10,000 and 70,000; a polyacrylic acid and a desiccated water soluble organic or inorganic base; polyacrylic acid and a desiccated poorly soluble basic salt, and a polyvinyl alcohol having the structural formula of [CH₂═CHOH]_n, where n is between 15,000 and 150,000. When the gel-forming composition is applied to the open wound, denuded tissue, or burned skin, its ions react therein in the presence of water from blood or body fluid therein to form an aqueous gel or mucilage having sufficient viscosity and adhesiveness to cover and adhere to the open wound, denuded tissue, or burned skin so that bleeding or fluid loss is thereby reduced and/or stopped.

A CO₂-facilitated transport membrane of excellent carbon dioxide permeability and CO₂/H₂ selectivity, which can be applied to a CO₂ permeable membrane reactor, is stably provided. The CO₂-facilitated transport membrane is formed such that a gel layer 1 obtained by adding cesium carbonate to a polyvinyl alcohol-polyacrylic acid copolymer gel membrane is supported by a hydrophilic porous membrane 2. More preferably, a gel layer supported by a hydrophilic porous membrane 2 is coated with hydrophilic porous membranes 3 and 4.

The invention discloses a low-density aerogel composite material and block-shaped low-density gel insulating composite material through packing the low-density aerogel composite material, which comprises the following steps: utilizing high-polymerization degree polyacrylic acid as porous nanometer silica reinforced frame to make the silica gel and composite material with certain elasticity and contractility; inhibiting crack during gel preparing course and hyper-critical drying course effectively; adopting packing slurry with alumina, titania, carborundum, hollow glass microball or ferroferric oxide and soluble silicate, organosilicon resin or silica gel to pack the surface of large block of silica aerogel; sintering the packed aerogel composite material at 650-700 deg. c; using the material under 1000 deg. c at most.

The invention belongs to the field of coatings, and particularly relates to a polyurethane/polyacrylate copolymer modified by organic fluoride and an ultraviolet curing coating prepared by the polyurethane/polyacrylate copolymer. A method for preparing the polyurethane/polyacrylate copolymer modified by organic fluoride comprises the following steps: 1), preparing a polyurethane prepolymer modified by organic fluoride; 2), preparing a (methyl) acrylate prepolymer; and 3), preparing the polyurethane/polyacrylate copolymer modified by organic fluoride. A method for preparing an ultraviolet curing agent by taking the polyurethane/polyacrylate copolymer modified by organic fluoride as a raw material comprises the steps that taking 100-107 parts of polyurethane/polyacrylate, 50-68 parts of an reactive diluent, 13-18 parts of a photoinitiator and 8-16 parts of an auxiliary; stirring fully for 5-15 minutes until all the materials are mixed uniformly; and obtaining the polyurethane/polyacrylate copolymer modified by organic fluoride and the ultraviolet curing coating prepared by the polyurethane/polyacrylate copolymer.

The invention relates to a preparation method of inverse opal hydrogel photonic crystal with double layer hybridized structure. The preparation method has the advantages that: the raw materials are polyacrylic acid and polyacrylamide which are available, and the preparation method includes two filling gather steps and is simple and practicable; and the polyacrylic acid and polyacrylamide respectively contains carboxyl and amide functional group, thus simultaneously realizing pH and solvent sense response, and the polyacrylamide can be used as internal parameter reference to monitor pH responsecondition when not responding to pH in solution with pH value less than 8.

A particulate water absorbing agent includes a polyacrylic acid (salt) water absorbent resin as a main component, wherein the water absorbent resin includes α-hydroxycarboxylic acid (salt), and the absorbing agent satisfies a specific particle size distribution and a specific water absorbing performance, thereby solving the conventional problems. Further, a production method of the water absorbing agent is characterized in that α-hydroxycarboxylic acid (salt) is added to (a) a monomer aqueous solution whose main component is acrylic acid (salt) and which is being cross-linked and polymerized or (b) a hydrogel polymer after the polymerization. As a result, in the particulate water absorbing agent containing the water absorbent resin as a main component, it is possible to realize both excellent water absorbing performance and excellent coloring prevention effect. Further, it is possible to provide an absorbing article particulate water absorbing agent which is suitable for practical use.

The invention provides a polymeric hydrogel grafted on fibers by calcium ion crosslinking and a preparation method thereof. The polymeric hydrogel comprises the following components in percentage by mass: 3-8% of sodium polyacrylate grafted fiber, 0.96-4% of sodium alginate, 0-2% of water-solubility polymeric additive, 0.96-8% of calcium chloride and 75-95% of deionized water. The preparation method comprises the following steps: grafting polyacrylic acid on fibers by ultraviolet radiation; neutralizing with sodium hydroxide to obtain sodium polyacrylate-grafted fibers; soaking sodium polyacrylate-grafted fibers in an aqueous sodium alginate solution; taking out and scraping off the superabundant adherent viscous solution; and crosslinking in an aqueous calcium chloride solution to obtain the calcium alginate hydrogel grafted on the fibers. The preparation method is simple to operate, and the prepared polymeric hydrogel grafted on fibers has application prospects in the fields of adsorption separation, drug control and release, immobilized enzyme, tissue engineering and the like.

The CMP polishing liquid of the invention is used by mixing a first solution and a second solution, the first solution comprises cerium-based abrasive grains, a dispersant and water, the second solution comprises a polyacrylic acid compound, a surfactant, a pH regulator, a phosphoric acid compound and water, the pH of the second solution is 6.5 or higher, and the first solution and second solution are mixed so that the phosphoric acid compound content is within a prescribed range. The CMP polishing liquid of the invention comprises cerium-based abrasive grains, a dispersant, a polyacrylic acid compound, a surfactant, a pH regulator, a phosphoric acid compound and water, with the phosphoric acid compound content being within a prescribed range.

A CMP method for polishing a phase change alloy on a substrate surface including positioning the substrate comprising a phase change alloy material on a platen containing a polishing pad and delivering a polishing slurry to the polishing pad. The polishing slurry includes colloidal particles with a particle size less than 60 nm, in an amount between 0.2% to about 10% by weight of slurry, a pH adjustor, a chelating agent, an oxidizing agent in an amount less than 1% by weight of slurry, and polyacrylic acid. The substrate on the platen is polished to remove a portion of the phase change alloy. A rinsing solution for rinsing the substrate on the platen includes deionized water and at least one component in the deionized water where the component selected from the group consisting of polyethylene imine, polyethylene glycol, polyacrylic amide, alcohol ethoxylates, polyacrylic acid, an azole containing compound, benzo-triazole, and combinations thereof.

An absorbent binder composition is provided which is capable of crosslinking after application to a substrate, in the absence of radiation, at a temperature of about 120° C. or less. The absorbent binder composition includes about 15 to about 99.8% by mass monoethylenically unsaturated polymer units, about 0.1 to about 20% by mass polyacrylate ester units having an alkoxysilane functionality, and about 0.1 to about 75% by mass of polymer units selected from polyolefin glycols and polyolefin oxides. The absorbent binder composition can be prepared using a template polymerization process, with the preformed polyolefin glycol or polyolefin oxide serving as a template polymer.