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1203 results about "Cellulose derivatives" patented technology
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Cellulose derivatives A number of chemically modified forms of cellulose are used in food processing for their special properties, including: (1)Carboxymethylcellulose, which is prepared from the pure cellulose of cotton or wood. It absorbs up to fifty times its own weight of water to form a stable colloidal mass.
Water gel containing natural high molecule and its radiation preparing method
InactiveCN1944495AImprove water absorptionGood flexibilityOrganic active ingredientsAntipyreticCross-linkWound dressing
The present invention provides one kind of water gel containing natural high molecular material and its preparation process. The water gel has cross-linking degree of 70-95 % and water absorption of 500-80000 %, and contains natural high molecular material or its derivative selected from chitin, chitin derivative, chitosan, chitosan derivative, carrageenin, etc. The water gel may have synthetic high molecular material, inorganic filler, cross-linking sensitizer, medicine and other assistant added. It is prepared through radiation cross-linking, with the radiation dosage being 10-40 kGy. The water gel of the present invention has high water absorption, high flexibility, good medicine slow releasing performance, and may be used in wound dressing, etc.
Owner:厦门凝赋生物科技有限公司
Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom
InactiveUS20100267942A1Sugar derivativesSugar derivatives preparationLiquid crystallineLiquid-crystal display
This invention relates a cellulose solution comprising cellulose and at least one tetraalkylammonium alkylphosphate and processes to produce the cellulose solution. Another aspect of this invention relates to shaped articles prepared from a cellulose solution comprising cellulose and at least one tetraalkylammonium alkylphosphate. Another embodiment of this invention relates to compositions comprising derivatives of cellulose prepared from a cellulose solution comprising at least one tetraalkylammonium alkylphosphate. Another embodiment of this invention relates to compositions comprising regioselectively substituted cellulose esters prepared from a cellulose solution comprising cellulose and at least one tetraalkylammonium alkylphosphate. In another embodiment of the invention, the cellulose esters of the present invention are used as protective and compensation films for liquid crystalline displays.
Owner:EASTMAN CHEM CO
Controlled release solid dispersions
InactiveUS20080234352A1Different equipmentInhibition strengthBiocideAnimal repellantsSolubilityPolyethylene oxide
A controlled release pharmaceutical composition for oral use comprising a solid dispersion of i) at least one therapeutically, prophylactically and / or diagnostically active substance, which at least partially is in an amorphous form, ii) a pharmaceutically acceptable polymer that has plasticizing properties, and iii) optionally a stabilizing agent, the at least one active substance having a limited water solubility, and the composition being designed to release the active substance with a substantially zero order release. The polymer is typically a poly ethylene glycol and / or polyethylene oxide having a molecular weight of at least about 20,000 in crystalline and / or amorphous form or a mixture of such polymers, and the active substance is typically carvedilol. The composition may comprise a coated matrix, the coating comprising a first cellulose derivative which is substantially insoluble in the aqueous medium, and at least one of a) a second cellulose derivative which is soluble or dispersible in water, b) a plasticizer, and c) a filler.
Owner:EGALET LTD
Room temperature ionic liquid containing unsaturated double bond and its prepn and application
InactiveCN1417407AGroup 5/15 element organic compoundsPulping with organic solventsSulfate radicalsTriflic acid
The room temperature ionic liquid containing unsaturated double bond has the general expressino of A+B-, where A+ contains R1 being hydroxyl with 1-4 carbon atoms and R2 containing 2-20 carbon atoms and at least one double bond; and B- is one of anions, including chlorate radical, bromate radical, iodate radical, acetate radical, sulfate radical, nitrate radical, tetrafluorobromate radical, etc. Its preparation is to mixture and react olefin halide R1X and N-alkyl imidazole to obtain ionic liquid dialkyl imidazolium halide. The present invention also relates to the application of the ionic liquid in dissolving cellulose and preparing cellulose derivative.
Owner:山东中科恒联生物基材料有限公司
Decomposer film for transdermal patches
InactiveUS20070014839A1Increased internal surface areaAccelerate decomposition reactionOrganic active ingredientsAntipyreticTransdermal patchPolyvinyl alcohol
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.
Owner:BAYER INTELLECTUAL PROPERTY GMBH
Cyclosporin compositions
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.
Owner:SAINT REGIS MOHAWK TRIBE
Method for producing modified cellulose
InactiveUS20120043039A1Improve propertiesEfficient productionSpecial paperPaper after-treatmentFiberFiber suspension
The present invention provides a method for producing modified nanofibrillated cellulose characterized by bringing cellulosic material into a fiber suspension, adsorbing a cellulose derivative or polysaccharide or polysaccharide derivative onto fibers in said fiber suspension under special conditions and subjecting the obtained fiber suspension derivative to mechanical disintegration. A modified nanofibrillated cellulose obtainable by a method of the present invention is provided. Furthermore, the invention relates to the use of said modified nanotibrillated cellulose.
Owner:UPM-KYMMENE OYJ
Thermoplastic cellulose derivative composition and fiber comprising the same
InactiveUS6984631B2Good fluidityIncrease resistanceOrganic active ingredientsBiocidePolyesterSide chain
A thermoplastic cellulose derivative composition of the present invention contains, as a main component, a cellulose ester having an aliphatic polyester side chain having a repeat unit having 2 to 5 carbon atoms, wherein a rate of heating loss at 200° C. is 5 wt % or less, a melt viscosity at 200° C. and 1000 sec−1 is 50 to 300 Pa·sec, and a melt tension at the time of take-up at 200° C. and 100 m / min is 0.1 to 40 mN. The present invention can provide excellent fiber products by melt spinning of the composition.
Owner:TORAY IND INC
Process for producing particulate, water-soluble cellulose derivatives using a superheated gas mixture containing steam
The present invention relates to a new, particularly economical process for preparing particulate water-soluble cellulose derivatives. The process involves forming a feed composition of swollen and / or dissolved cellulose derivative, and water. The feed composition is contacted with a superheated gas mixture, in a sieve-free high rotational speed gas jet impact mill, and the cellulose derivative of the feed composition is converted into a solid state form of finely particulate particles. The superheated gas mixture, with which the feed composition is contacted, is selected from: (i) a superheated gaseous mixture of steam and an inert gas; and (ii) a superheated gas mixture of steam and air. The superheated gas mixture has a steam content of 40 wt. % to 99 wt. %, based on the total weight of the superheated gas mixture.
Owner:DOW GLOBAL TECH LLC
Controlled release solid dispersions
InactiveUS20050019399A1Suitable shelf-lifeImprove solubilityBiocideAnimal repellantsSolubilityPolyethylene oxide
A controlled release pharmaceutical composition for oral use comprising a solid dispersion of: i) at least one therapeutically, prophylactically and / or diagnostically active substance, which at least partially is in an amorphous form, ii) a pharmaceutically acceptable polymer that has plasticizing properties, and iii) optionally, a stabilizing agent, the at least one active substance having a limited water solubility, and the composition being designed to release the active substance with a substantially zero order release. The polymer is typically a polyethylene glycol and / or polyethylene oxide having a molecular weight of at least about 20,000 in crystalline and / or amorphous form or a mixture of such polymers, and the active substance is typically carvedilol. The composition may comprise a coated matrix, the coating comprising a first cellulose derivative which is substantially insoluble in the aqueous medium, and at least one of a) a second cellulose derivative which is soluble or dispersible in water, b) a plasticizer, and c) a filler.
Owner:EGALET LTD
Controlled extended drug release technology
ActiveUS20060003007A1Longer resident timeEasy to controlCapsule deliveryCoatingsActive agentWater insoluble
A controlled extended drug release technology for the controlled extended release of hydrophobic or hydrophilic drugs or therapeutically active agents consisting of a homogeneous blend of one or more therapeutic agents, gas generators and surrounded by one or more layers of coat made of thermoplastic water insoluble cellulose derivatives, acrylic polymers, superdisintegrants and optionally an oil, antioxidants and electrolytes. The technology platform is capable of releasing therapeutic agents via zero, first or pseudo first order release.
Owner:INTELLIPHARMACEUTICS
Limited play data storage media and coating formulations thereon
The present invention provides a formulation for a reactive dye layer for a limited-play optical storage medium, the reactive formulation including at least one carrier material or curable acrylate monomer, at least one reactive material disposed within the carrier material or acrylate monomer, and at least one photo-bleaching retarder material disposed within the at least one adhesive material. The at least one photo-bleaching retarder material includes at least one polymeric polyhydroxy compound selected from the group consisting of polyhydroxystyrenes, cellulose, and functionalized cellulose derivatives.
Owner:FLEXPLAY TECH INC +1
Preparation method of graphene-containing water-based electrothermal film
ActiveCN105906832AHigh viscosityImprove conductivityPolyurea/polyurethane coatingsHeating element materialsWater basedHydrophilization
The invention discloses a preparation method of graphene-containing water-based electrothermal film. The method comprises the following steps of: (1) carrying out hydrophilization treatment on graphene, then adding solutions of cellulose derivatives as a dispersing agent and a thickening agent, and carrying out pre-dispersion; (2) adding an auxiliary agent into the pre-dispersed graphene, and dispersing to obtain homogeneous dispersion liquid; (3) adding an adhesive into the homogeneous dispersion liquid, and mixing to obtain graphene-containing electrothermal film slurry; and (4) coating a film formation carrier with the graphene-containing electrothermal film slurry to form a graphene conducting layer, and drying to obtain the graphene-containing electrothermal film formed by the graphene conducting layer and the film formation carrier. After the preparation method is adopted, a heating body having excellent heat conduction and electric conduction properties can be prepared.
Owner:四川烯材科技有限公司
Process for providing herbal medicants in cellulose derivative capsules
The present invention relates to a process for providing non-lipid, liquid form herbal extracts in a vegetable gelatin, HPMC, or any other cellulose derivative capsule. The process includes extracting an herbal plant material with an alcohol to provide an aqueous alcoholic herbal extract. The aqueous alcoholic herbal extract is contacted with sufficient glycerin to maintain the extract preferably in solution, and at least dispersed in the mixture of glycerin and aqueous alcoholic herbal extract. Alcohol and water is removed form the mixture to provide a glycerin-based liquid or semi-solid herbal extract and having a moisture content of less than 10 percent by weight, and preferably less than 5 percent by weight. The herb extract is then encapsulated in a vegetable gelatin, HPMC, or any other cellulose derivative capsule.
Owner:GAIA HERBS
Shaving aid
The invention is a preparation comprising an oil-in-water emulsion containing soap, the emulsion further comprising: (a) 4-12% by weight of at least one fatty acid with 12 to 18 carbon atoms, (b) 3-8% by weight of at least one trialkanolamine, (c) 1-8% by weight of at least one nonionic emulsifier, (d) 0-3% by weight of a fatty alcohol or fatty alcohol mixture, (e) 0.1-6% by weight of one or more emollients, (f) 1-10% by weight propellant with a vapor pressure of 76 to 420 kPa at 20° C., (g) 0-1% by weight of at least one cellulose derivative, and (h) 0.1-4% by weight of at lest one glycerol polyglycol ether isostearate, wherein the oil-in-water emulsion is free from fatty acid diethanolamides, and wherein the preparation is suitable for filling in an aerosol container. The invention also includes a pressurized gas container containing the preparation.
Owner:BEIERSDORF AG
Cyclosporin compositions
Owner:SAINT REGIS MOHAWK TRIBE
Ecological environment-friendly dust inhibitor
InactiveCN103184034AViscosity quick releaseIncrease viscosityOther chemical processesEcological environmentErosion rate
The invention provides an ecological environment-friendly dust inhibitor which comprises the following components by weight percent: 0.5-0.8% of modified starch, 0.05-0.10% of microbial polysaccharide, 0.1-0.3% of cellulose derivative, 0.05-0.10% of netty accelerant, 0.05-0.15% of flow dispersant, 0.01-0.10% of film forming agent and 98.0-99.0% of water. The dust inhibitor can enable coal or mineral powder to form a layer of curing film on the surface, is high in viscosity and low in wind erosion rate, can avoid the flowing dust pollution and the flowing dust loss of the coal or the mineral powder to the way side in the railway transportation process, and has a huge economic benefit and a social benefit of environmental protection for railway transportation and coal or mineral powder customers; and the components and a solution of the dust inhibitor do not have any toxic side effect and corrosive effect, the dust inhibitor does not cause any secondary pollution as the dust inhibitor can be quickly and biochemically degraded in the nature after the dust inhibition action period, and the soil can be properly improved.
Owner:BEIJING SUNSHINE COLORFUL TECH
High flux fluid separation membranes comprising a cellulose or cellulose derivative layer
Owner:THE RES FOUND OF STATE UNIV OF NEW YORK
Cellulose solutions comprising tetraalkylammonium alkylphosphate and products produced therefrom
InactiveUS20100305249A1Impression capsDentistry preparationsLiquid crystallineLiquid-crystal display
This invention relates a cellulose solution comprising cellulose and at least one tetraalkylammonium alkylphosphate and processes to produce the cellulose solution. Another aspect of this invention relates to shaped articles prepared from a cellulose solution comprising cellulose and at least one tetraalkylammonium alkylphosphate. Another embodiment of this invention relates to compositions comprising derivatives of cellulose prepared from a cellulose solution comprising at least one tetraalkylammonium alkylphosphate. Another embodiment of this invention relates to compositions comprising regioselectively substituted cellulose esters prepared from a cellulose solution comprising cellulose and at least one tetraalkylammonium alkylphosphate. In another embodiment of the invention, the cellulose esters of the present invention are used as protective and compensation films for liquid crystalline displays.
Owner:EASTMAN CHEM CO
Modified polylactic acid fiber and preparation method thereof
ActiveCN103225125ASave raw materialsRich sourcesMelt spinning methodsMonocomponent polyesters artificial filamentEnvironmental resistanceCellulose diacetate
The invention discloses a modified polylactic acid fiber and a preparation method thereof. The modified polylactic acid fiber is prepared through blending polylactic acid, a cellulose derivative, a cellulose diacetate grafted polylactic acid copolymer, a lubricant, inorganic nanoparticles, a nucleating agent and an antioxidant. The preparation method comprises the following steps: adding partial polylactic acid slices and all other raw materials to a high speed mixer according to a mass component ratio, carrying out high speed dispersion, and carrying out melt blending and extrusion through a double screw extruder to obtain modified polylactic acid master batch slices; and carrying out dry mixing of the modified polylactic acid master batch slices and residual polylactic acid slices in the high speed mixer, carrying out melt spinning through a melt spinning machine, and stretching to obtain the modified polylactic acid fiber. The prepared polylactic acid fiber has the advantages of low cost, complete biodegradation, environmental protection, good spinning performance, stable filament bundle quality, excellent flexibility, excellent antifriction, excellent dyeing property and excellent comfortableness, and is a very good high-performance environmentally-friendly fiber material. The preparation method has the advantages of simplicity, low equipment requirement, and environmental protection in the production process, and is in favor of the industrialized production.
Owner:长沙乐远化工科技有限公司
Reductive biomass liquefaction
ActiveUS20120172579A1Oxygen-containing compound preparationLiquid hydrocarbon mixture productionCyclic etherBiofuel
The present invention provides methods, reactor systems, and catalysts for converting in a continuous process biomass to less complex oxygenated compounds for use in downstream processes to produce biofuels and chemicals. The invention includes methods of converting the components of biomass, such as hemicellulose, cellulose and lignin, to water-soluble materials, including lignocellulosic derivatives, cellulosic derivatives, hemicellulosic derivatives, carbohydrates, starches, polysaccharides, disaccharides, monosaccharides, sugars, sugar alcohols, alditols, polyols, diols, alcohols, ketones, cyclic ethers, esters, carboxylic acids, aldehydes, and mixtures thereof, using hydrogen and a heterogeneous liquefaction catalyst.
Owner:VIRENT
High-temperature stable hydrogel mask
ActiveCN104042449AFast conditioningFast absorptionCosmetic preparationsToilet preparationsPlanting seedSeaweed extract
A high-temperature stable hydrogel mask comprises a carrier net cloth and hydrogel. The hydrogel comprises the following components by weight: 0.1%-1% of a cellulose derivative water-soluble polymer, 0.5%-2% of seaweed extract natural water-soluble polymer, 0.1%-2% of extracellular polysaccharide natural water-soluble polymer generated by microbial fermentation, 0.1%-2% of plant seed or root extracted natural water-soluble polymer, 0.1%-2% of electrolyte required by cross-linking initiation, 0.5%-5% of a skin conditioner, 0.1%-1% of a transdermal absorption promoter, 5%-20% of polyol, 0.1%-1% of a preservative and the balance of pure water. The high-temperature stable hydrogel mask meets the requirements for physicochemical indexes of mask in Light Industry Standard of the People's Republic of China ''QB-T2872-2007 mask''. The hydrogel on the carrier net cloth maintains stable in the temperature range of -15 to 55 DEG C, and improves the stability of the product during transport and storage.
Owner:NOX BELLCOW COSMETICS CO LTD
Pullulan polysaccharide hollow hard capasule and its preparing method
InactiveCN101069677ASmall range of molecular weight variationProduct quality is easy to controlPharmaceutical non-active ingredientsCapsule deliveryPullulanHard Capsule
The present invention discloses a hollow hard capsule and its preparation method. It is made up by adopting prolanpolysaccharide as main body material and adding gelling agent, coagulant aids, surfactant and humectant through a certain preparation process. Said invention also provides the concrete steps of its preparation method.
Owner:广东强基药业有限公司
Sizing of paper
InactiveUS6306255B1High cationic demandExcellent characteristicsNatural cellulose pulp/paperSpecial paperCellulose fiberSizing
The invention relates to an aqueous disperion containing a cellulose-reactive sizing agent and an anionic hydrophobicailly modified cellulose-derivative, its preparation and use in the production of paper. The invention also relates to a substantially water-free composition containing a cellulose-reactive sizing agent and an anionic hydrophobicailly modified cellulose-derivative, its preparation and use in the preparation of an aqueous dispersion of cellulose-reactive sizing agent. The invention further relates to a process for sizing cellulosic fibers by addition of an aqueous sizing dispersion containing a cellulose-reactive sizing agent and a hydroically modified dispersing agent to a stock containing cellulosic fibers, and optional fillers, and dewatering the stock on a wire to obtain a web containing cellulosic fibers.
Owner:AKZO NOBEL NV
Ondansetron orally disintegrating tablets
InactiveUS7390503B1Safe and effective absorptionImprove bioavailabilityPowder deliveryPill deliveryWater dispersibleOrally disintegrating tablet
An ondansetron solid orally disintegrating dosage form for oral administration having at least one first water-dispersible component or water-insoluble cellulose derivative, a component having a —CHOH functional group, a disintegrating agent and at least one lubricant is provided. The dosage form can comprise ondansetron, a hydrophilic polymer such as microcrystalline cellulose, a component having a —CHOH functional group such as mannitol or xylitol and a disintegrating agent such as crospovidone. The lubricant may be a mixture of magnesium stearate, sodium stearyl fumarate and colloidal silicon dioxide. The present invention provides a non-effervescent tablet comprising the ondansetron dosage form. Another aspect of the invention is the treatment of emesis such as nausea and vomiting caused by cancer chemotherapy and radiation by the administration of the ondansetron formulation of the present composition. Finally, a process of forming an ondansetron disintegrating tablet using the ondansetron dosage form is disclosed.
Owner:BARR LAB
Mesalazine tablet
InactiveUS20090162434A1Improve efficiencySmall and reduced variationBiocideUrinary disorderColorectal diseasePharmacology
Disclosed are mesalazine tablets and a method for their preparation. The mesalazine tablets comprise a tablet core, a first coating layer, and a second coating layer. The tablet core comprises mesalazine; the first coating layer comprises a cellulose derivative and / or povidone, and the second coating layer comprises methacrylic acid / methyl methacrylate copolymer and an anti-tack agent. The tablets show a high degree of uniformity and reproducibility and release mesalazine starting at pH 6.8 and are used in the treatment of colorectal diseases.
Owner:DISPHAR INTERNATIONAL BV
Retardation film, polarizing plate, and liquid crystal display device
ActiveUS20070009676A1Improve display qualitySuppressing of retardation valueLiquid crystal compositionsPolarising elementsLiquid-crystal displayPlasticizer
A retardation film which contains a cellulose derivative and a plasticizer wherein the thickness of the film is 10 to 50 μm, Ro in Equation (i) is in the range of 30 to 100 nm, Rt in Equation (ii) is in the range of 100 to 300 nm, and S in Equation (iii) is 0.0002 or more but not exceeding 0.030. Ro=(nx−ny)×d Equation (i) Rt=S×d Equation (ii) S=((nx+ny) / 2−nz) Equation (iii) (where “nx” is a maximum refraction index of the film surface, “ny” is a refraction index in the direction perpendicular to “nx,”“nz” is a refraction index along the thickness of the film, and “d” is the thickness of the film.)
Owner:KONICA MINOLTA OPTO
Cellulose base/Fe3O4 composite adsorption material used for removing arsenic in water and preparation method thereof
ActiveCN102476043AImprove adsorption capacityWide working pH rangeOther chemical processesWater/sewage treatment by sorptionAlkaline waterNational standard
The invention relates to a cellulose base / Fe3O4 composite adsorption material used for removing arsenic in water and a preparation method thereof. According to the invention, with fibers or powder of natural cellulose or fibers of a cellulose derivative as a cellulose matrix material for the composite adsorption material, in an alkaline water system provided by ammoniacal liquor, Fe3O4 particles are loaded on the surface of the cellulose matrix material through in-situ co-precipitation, and the loaded Fe3O4 particles enable the obtained cellulose base / Fe3O4 composite adsorption material to have magnetism and to be easily removed from water, and allow harmful ions like arsenate ions and arsenite ions in water to be absorbed. Compared to arsenic removal materials in the prior art, the invention has the following characteristics: a natural biomass is used as an adsorption carrier, and the natural biomass is cheap and highly efficient, enables the content of arsenic in water to be substantially lower than a national standard and is easy to remove and convenient to use.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Optical film and process for producing the same
InactiveUS20120301676A1Moderate flexibilityIncreased durabilitySynthetic resin layered productsSpecial ornamental structuresWear resistanceZinc
A hardcoat layer is a cured layer comprising a curable resin-precursor, a thermoplastic resin, and a fine particle having an average primary particle size of 1 to 100 nm, and the hardcoat layer is formed on at least one side of a transparent film. The thermoplastic resin may be a thermoplastic resin (particularly, a cellulose derivative) nonreactive to the curable resin-precursor. The ratio of the metal oxide fine particle is about 0.5 to 4 parts by weight relative to 100 parts by weight of the curable resin-precursor. The metal oxide fine particle may comprise at least one fine particle selected from the group consisting of antimony tin oxide, tin oxide, and zinc oxide. The curable resin-precursor may comprise a tetra- or more-functional precursor. The optical film of the present invention has excellent anti-glareness or anti-Newton-ring property and also has excellent abrasion resistance and mechanical properties.
Owner:DAICEL CHEM IND LTD
Acid stable aqueous dispersion of metal particles and applications
InactiveUS6811885B1Improve colloidal stabilityProtective coatings for layersMagnetic liquidsMetal particleRecording layer
Aqueous coating compositions containing acid stable metal dispersions, prepared by chemical reduction in aqueous medium, are obtained by using a N-quaternized cellulose derivative as binder. They can be used for the preparation of heat mode recording layers, magnetic layers and conductive layers.
Owner:AGFA GEVAERT AG
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