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8133990 6-position highly acetylated cellulose diacetate and process for producing the same  
Disclosed is a cellulose diacetate comprising a 6-position highly acetylated cellulose diacetate having a 6-percent viscosity of 40 to 600 mPa·s, and having a total degree of acetyl substitution ...
8039067 Cellulose acylate film and method for producing same, and retardation film, polarizer and liquid crystal display device comprising the film  
A cellulous acylate film in which X-ray diffractive intensity satisfies the following Formulae (I) to (V) and in which a half-value width of the peak at 2θ2 is 2.8° or less as observed in the s...
8039066 Cellulose acylate film and method for producing same, and retardation film, polarizer, and liquid crystal display device comprising the film  
A cellulous acylate film in which X-ray diffractive intensity satisfies the following Formulae (I) to (V) and in which a half-value width of the peak at 2θ2 is 2.8° or less as observed in the s...
7671193 Method for adjusting the degree of substitution with acetyl group of cellulose acetate  
A process for adjusting an intermolecular or intermolecular degree of acetyl substitution of cellulose acetate is disclosed. The process comprises ripening cellulose acetate in the presence of a...
7442789 Method and apparatus for alkaline saponification of polymer film  
The present invention provides a method for alkaline saponification of a polymer film, comprising the steps of: alkaline saponification of the polymer film with an alkaline solution; and washing...
7410680 Retardation film made by using cellulose derivatives  
The present invention relates to a retardation film obtained by subjecting a film formed from a cellulose derivative to an orientation treatment, wherein a hydroxyl group of cellulose is...
7208592 Process for alkali saponification of cellulose ester film surface  
A process for alkali saponification of polymer film is disclosed. The process comprises the steps of applying solution of an alkali onto a polymer film having a temperature of not lower than room...
7189464 Cellulose acylate film and producing method thereof  
In a multi-layer structure of a cellulose acylate film, the averaged degree of acylation of surface layers is controlled in the range of 0.5 to 2.8 by mixing several sorts of cellulose acylates...
7151173 Admixture, extrudable hydraulic composition and method for the selection of admixture  
A nonionic water-soluble cellulose ether is characterized in that when 3 pbw of the nonionic water-soluble cellulose ether is added to a mixture of 90 pbw of cordierite, 10 pbw of ordinary Portland...
7078078 Optical compensatory sheet comprising transparent support and optically anisotropic layer  
An optical compensatory sheet comprises a transparent support and an optically anisotropic layer. The optically anisotropic layer is formed from liquid crystal molecules and monomers having four or...
7064113 Resin composition, method of molding the same, and method of recycling resin composition  
A resin composition, which comprises a biodegradable polymer and a biodegradable liquid crystalline polymer. The resin composition is useful for producing molded resin articles having good...
7026470 Use of carboxymethyl cellulose acetate butyrate as a precoat or size for cellulosic man-made fiber boards  
A method for improving holdout on a coated, cellulosic substrate, such as a man-made fiber board. The process comprises the steps of applying an aqueous carboxymethyl cellulose acetate butyrate...
7022837 Cellulose ethers and method of preparing the same  
The present inventors have discovered that the solution rheology of cellulose ethers prepared from cellulose pulp is altered by mercerizing and recovering cellulose pulp before preparing the...
7005427 Cellulose acylate solution for film products  
A cellulose acylate solution is used for producing a film in a solution casting method. Particles to be added to the cellulose acylate solution are silicon dioxide and surfaces of the particles are...
6946519 Organic-inorganic hybrid film, its manufacturing method, optical film, and polarizing film  
Disclosed are an organic-inorganic hybrid film comprising a cellulose derivative and a polycondensation product of a condensation polymerizable reactive metal compound, wherein the film contains a...
6921820 Method for forming cellulose  
A method for forming II-type cellulose, which comprises introducing together a slurry having water and a I-type cellulose dispersed therein and water in the state of high temperature and high...
6914139 Solution of cellulose acylate dissolved in mixed solvent of ketone and ester  
In a cellulose acylate solution, cellulose acylate is dissolved in an essentially non-chlorinated solvent. The essentially non-chlorinated solvent is a mixture of a ketone having a solubility...
6683174 Cellulose triacetates and methods for producing the cellulose triacetates  
The present invention provides a cellulose triacetate which exhibits a satisfactory filtration performance Thus, the present invention provides a cellulose triacetate whose occlusion constant (K)...
6600034 Method of producing cellulose polymers  
A method of making cellulose polymer solution comprises dissolving a cellulose polymer raw material in a chlorine-free organic solvent system under a high temperature and a high pressure condition...
6300493 Method and compositions for modification of polysaccharide characteristics  
Methods and compositions are provided for the modification of polysaccharide structures using polysaccharidase binding or catalytic domains either alone or in tandem to modify the structure of...
6083582 Cellulose fiber based compositions and film and the process for their manufacture  
A process and materials are described in which highly refined cellulose fibers are broken down into microfibers and further processed into compositions, films, coatings and solid materials which...
5990304 Cellulose acetate excellent in physical strength, and process for production thereof  
An object of the invention is to obtain cellulose acetate with improved physical properties, particularly film strength arid improved flexibility of the molded product. Cellulose acetate wherein...
5985951 UV-curable nail coating formulations containing cellulose esters with ethylenically unsaturated pendant groups  
This invention relates to a composition of photopolymerizable coatings forming cosmetic films that are especially useful for human and animal nail coatings. The coating compositions are based on...
5981741 Aminated acetate fiber  
Disclosed are aminated acetate fiber comprising acetylcellulose and one or more water-insoluble quaternary starch ether esters, said starch ether esters containing ester groups of formulae...
5981738 UV curable cellulose esters  
The present invention relates to a modified cellulose ester containing unsaturated pendent groups which can be prepared by reacting a cellulose ester containing residual hydroxyl groups with, for...
5977346 Fatty acid ester of cellulose, cellulose diacetate and processes for the preparation thereof  
A fatty acid ester of cellulose having excellent transparency, filterability and spinnability in spite of its high content of mannose and xylose, wherein the total molar content of mannose and...
5973139 Carboxylated cellulose esters  
A process for preparing a carboxylated cellulose ester from oxidized cellulose is described. The carboxylated cellulose esters have improved solvent solubility and coating resin compatibility when...
5962677 Cellulose acetate with high moldability and process for production thereof  
Cellulose acetate having a high moldability and low solution viscosity in spite of having a high average degree of polymerization is obtained. The low molecular weight components of cellulose...
5928613 Apparatus for acetylating cellulose  
In a production process of a cellulose acetate which comprises (a) a reduced pressure-acetylation step of acetylating a cellulose under a reduced pressure in the presence of sulfuric acid or other...
5929229 Direct process for the production of cellulose esters  
The present invention relates to a process for preparing cellulose esters having a total DS/AGU of 0.1 to 3.0, said process consisting of contacting the following: (i) a cellulose material, (ii) a...
5869646 Method and apparatus for acetylating cellulose  
In a production process of a cellulose acetate which comprises (a) a reduced pressure-acetylation step of acetylating a cellulose under a reduced pressure in the presence of sulfuric acid or other...
5821359 Acetylation of lignocellulosic fibres  
The invention relates to a process for acetylation of lignocellulosic fibres (LF) using an acetylating agent comprising acetic anhydride at a temperature of above 140° C. and a pressure of 100-150 ...
5821358 Methods and compositions for modification of polysaccharide characteristics  
Methods and compositions are provided for the modification of polysaccharide structures using polysaccharidase binding or catalytic domains either alone or in tandem to modify the structure of...
5705632 Process for the preparation of cellulose acetate film  
A process for the preparation of a cellulose acetate film comprises the steps of: cooling a mixture of cellulose acetate and an organic solvent to -100° to -10° C.; warming the cooled mixture to 0...
5705631 Laminar flow process of preparing cellulose diacetate fibers  
A laminar flow process for preparing cellulose diacetate fibers is disclosed. In the process, a precipitation-acid stream and an acid-dope stream are contacted in a zone having substantially...
5674999 Process for preparing readily dispersible water-soluble cellulosic polymers  
An improved process for surface treating water soluble cellulosic polymers with crosslinking agents to provide products which are more readily dispersible in cold water, and have longer viscosity...
5663310 Cellulose acetate solution and process for the preparation of the same  
A cellulose acetate solution has cellulose acetate in a solvent. The cellulose acetate has an average acetic acid content in the range of 58.0 to 62.5%. In the first embodiment of the invention,...
5610233 Aqueous coating compositions containing cellulose esters  
This invention relates to aqueous coating compositions containing water soluble cellulose esters which are cross-linked with a resin system in the presence of an organic sulfonic acid catalyst for...
5597912 Process for preparing cellulose esters by use of carboxylic acids  
Process for reducing the degree of substitution of cellulose esters employing carboxylic acids as solvolysis promoters is disclosed. Exemplary cellulose esters are cellulose acetate, cellulose...
5532350 Crosslinked polysaccharides useful as absorbent materials  
A solid composition of matter comprising one or more polysaccharides which has been cross-linked with either titanium or zirconium cross-linking agents is provided. The composition demonstrates...
5519130 Purification process by decomposition of haloalkanolic acid with dehalogenase  
Haloalkanoic acid impurities are decomposed in the presence of certain surfactants carboxymethyl cellulose or thioglycollic acids salts which may contain them as unconverted reactants by contacting...
5505830 Biodegradable compostable plastic and method of making the same  
Electron beam radiation of resin blends and compounds comprises in major part by weight of cellulose acetate accelerates the rate and increases the degree of biodegradation of the compounds and...
5484913 Calcium-modified oxidized cellulose hemostat  
A calcium-modified oxidized cellulose hemostat provides faster hemostasis than does either unmodified or sodium- or potassium-modified oxidized cellulose. The percentage by weight of calcium in the...
5451672 Process for producing cellulose acetate  
A process for producing cellulose acetate from a hard, low-grade pulp sheet having a high sheet density on an industrial scale without impairing the acetylation reactivity of the pulp,...
5449555 Cellulose acetate filaments, an optically isotropic spinning solution therefor, and use thereof for the production of filaments  
There are described filaments on the basis of a cellulose acetate soluble in acetone, the degree of polymerization (DP) of the cellulose acetate being between about 110 and 210 and the degree of...
5371211 Cellulose esters and salts thereof  
Cellulose esters of polycarboxylic acids, and their salts, such as the hydrogen cellulose ester of succinic acid, and the potassium salts thereof, are known to be useful in the preparation of...
5364935 Continuous hydrolysis of cellulose acetate  
Disclosed is a process comprising continuously flowing a composition through a hydrolysis zone so as to achieve a residence time distribution such that at least 81% of the area under the residence...
5330642 Method of filtering cellulose acetate solutions as well as a plant for carrying out the method  
Apparatus for filtering cellulose acetate solutions, including a backflush filter to effect filtration so as to avoid solvent losses and filtering aids that must be dumped, dilution means including...
5328934 Recycling cellulose esters from the waste from cigarette manufacture  
A process for recycling waste from the manufacture filtered cigarettes is disclosed herein. The process comprises the following steps: A waste stream from the manufacture of filtered cigarettes is...
5294703 Process for preparing α-D-cellobiose octaacetate  
Provided is a novel improved process for the preparation of α-D-cellobiose octaacetate via the acetylative degradation of cellulose or cellulose acetate. The title compound is provided in high ...
Matches 1 - 50 out of 137 1 2 3 >