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JP2752782B2 |
The invention reltes to the soluble hemostatic fabrics having Formula (I) or Formula (II), and to a process for preparing them. The hemostatic fabrics of the present invention may dissolve at the wound or be absorbed by body fluid while ...
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JPH10120702A |
To prepare a rapidly disintegrable sodium carboxymethyl cellulose (CMC) capable of shortening the time to develop a satisfactory viscosity as the CMC and simplifying preparing operations when preparing muddy water. This rapidly disintegr...
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JP2729187B2 |
PURPOSE: To obtain a soundproofing film excellent in soundproofing performance by cyanoethylating hydroxyethyl cellulose having specific properties and forming the resulting cyanoethylated hydroxyethyl cellulose into a film having a pred...
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JP2726482B2 |
PURPOSE:To obtain a dispersant having good dispersibility and quantifiable in the superiority or inferiority thereof by containing sodium carboxy methyl cellulose having specific pko. CONSTITUTION:As a dispersant, sodium carboxy methyl c...
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JP2726520B2 |
Composite of carboxyalkyl ether of polysaccharide with magnetic metal oxide is claimed. Also claimed is the prepn. of the composite which comprises (I) reacting aq. sol. contg. magnetic metal oxide particles, or the suspension of the par...
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JPH1067801A |
To obtain a novel compostable thermoplastic cellulose ether ester by reacting a cellulose ether with a cyclic dimer of a specified carboxylic acid and/or its oligomer. This cellulose ether ester is a water-insoluble sufficiently composta...
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JPH10502397A |
This invention is a process for comminuting a cellulose ether which comprises extruding a hydrated cellulose ether through a plurality of orifices, each orifice having a cross-sectional area of from about 7.5x10-9 m2 to about 1x10-6 m2, ...
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JPH1036402A |
To obtain a mixture contg. carbamic acid deriv. of a polysaccharide and a low-molecular urea deriv., and capable of forming not only moldings, fibers, and films but also foams or coating materials. This mixture contains a uniformly subst...
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JP2708579B2 |
The present invention relates to a process for careful grinding and simultaneous drying of moist cellulose ether products wherein a moist cellulose ether is introduced by means of a transport gas into a circular space. The moist cellulos...
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JP2707304B2 |
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JP2699011B2 |
A photographic element comprising a support having thereon at least one layer comprising a polymer obtained by copolymerizing a repeating unit represented by the following general formula (I) and a copolymerizable cellulose derivative re...
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JPH09299096A |
To produce an acrylic ester derivative, excellent in hydrophilicity, biodegradability and biocompatibility and capable of providing a polymer useful as a surface treating agent, a material, etc., for medical use by reacting α- hydroxyme...
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JPH09290230A |
To make it possible to separate and recover various kinds of plasticizers from waste plastic by heating halogen-contg. plastic to a temp. lower than a desorption temp. and removing the plasticizers, then adding an alkali thereto, heating...
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JPH09271326A |
To obtain a moist pellet-type agent for binding a diet for a fish farming, containing a sodium carboxmethy1 cellulose having each a specific etherfication degree and a 1% aqueous solution viscosity, excellent in shelf life of pellet qual...
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JPH09510257A |
A process for recovering salable cellulose ether solids in an aqueous slurry from a reactor wherein such cellulose ether solids are produced, or in an aqueous slurry from a centrifuge or filter wherein a portion of the cellulose ether so...
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JP2657807B2 |
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JP2651952B2 |
A new superabsorber which gels and cross-links as hydrated has been developed. The superabsorber contains a branched-chain polyanionic carbohydrate such as carboxymethylcellulose, a cross-linking agent, and a hydrophobic carboxylic acid....
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JP2647166B2 |
Disclosed are anionic, water-soluble carboxymethyl hydroxyethyl derivatives of cellulose ethers that are useful as thickeners in aqueous compositions such as water-based paints, and that have a hydrophobic alkyl, alphahydroxyalkyl, or ac...
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JPH09206091A |
To obtain a glycidyl glycoside useful for surfactants, synthetic resins, coating materials, etc., by acting a saccharide transferase to a mixture of an epoxyalcohol with a saccharide. A glycoside of the formula [R is a saccharide residue...
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JPH09208601A |
To prepare CMC affected little by drying conditions and having various excellent properties. In the production of a carboxymethylcellulose ether alkali metal salt by etherifying a cellulosic material in a water-containing organic solvent...
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JPH09202893A |
To obtain a silicone defoaming agent dispersion for an aqueous surfactant system having the stability to satisfy industrial demands by using an alkyl polyglycoside as a main dispersing agent. This defoaming agent dispersion for an aqueou...
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JPH09176201A |
To manufacture a carboxymethyl cellulose or its salts by enhancing the efficiency of the use of monohaloacetic acid. A carboxymethyl cellulose or its alkali metal salt is obtained by preparing an alkaline cellulose by reacting cellulose ...
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JP2623430B2 |
PURPOSE: To obtain a carboxymethyl cellulose composition excellent in calcium resistance. CONSTITUTION: This carboxymethyl cellulose composition is composed of carboxymethyl cellulose and a cerium compound and more specifically has a vis...
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JPH09157306A |
To obtain a reversibly thermally responsive gel improved in speed of reversible gelation response to heat by adding a suitable amt. of sodium sulfate to an aq. soln. of an alkyl (hydroxyalkyl) cellulose which aq. soln. gels when heated b...
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JP2617410B2 |
PURPOSE: To produce carboxymethyl cellulose, having a high bulk density and excellent in powder fluidity without requiring regulation of the moisture content, etc., by kneading a reactional product etherified in a shearing apparatus acco...
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JPH09143201A |
To produce a cellulose fine particle stably dispersible in water without giving any chemical treatment by reducing the fiber length and width of a finely fiberized pulp and spray drying the slurry containing this pulp. This cellulose fin...
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JP2612183B2 |
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JP2610052B2 |
A novel endermic medicament having a consistency of a gel is proposed which is formulated, as a gel base, with non-ionic water-soluble cellulose ether, e.g., methyl cellulose and hydroxypropyl methyl cellulose, modified with a modificati...
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JPH09124701A |
To improve the thermoplasticity and water absorption properties of a polysaccharide by etherifying it and introducing hydrophobic groups into the resultant water-sol. polymer. A natural polysaccharide mainly comprising glucose units is e...
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JPH09504331A |
Disclosed is a method for producing a water-swellable, generally water-insoluble modified polysaccharide having improved age-stable absorption properties. The method involves forming a mixture of a modified polysaccharide, water, and, op...
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JP2602535B2 |
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JP2601701B2 |
PURPOSE:To obtain the title surface-active polysaccharide causing no heat deterioration and little in scorch (discoloration) by bringing an alkyl polysaccharide crude product containing as impurities higher alcohols into contact with a s...
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JP2599186B2 |
The ethers are prepared by reacting alkylene epoxides with cellulose or derivatives thereof in alkaline medium in the presence of water. Cationisation agents employed are alkylene epoxides or mixtures thereof with the general formula...
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JP2584830B2 |
Water-soluble cellulose ether derivatives being a substituent selected from the group consisting of hydroxyethyl, hydroxypropyl, and methyl and also substituted by about 0.05 to about 50% of a 3-alkoxy-2-hydroxypropyl group in which the ...
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JPH093451A |
To achieve high productivity and obtain improved values of carrying capacity for excavated earth material by using water-soluble aninic cellulose mixed ethers as additives for digging liquid. Water-soluble ternary cellulose mixed ethers,...
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JP2566518B2 |
PURPOSE: To provide a carboxymethylcellulose compsn. excellent in salt water resistance. CONSTITUTION: A carboxymethylcellulose compsn. comprises carboxymethylcellulose and a cerium compd. The compsn. satisfies a relationship: η2/η1=0....
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JP2566510B2 |
PURPOSE: To provide a carboxymethylcellulose salt having excellent powder fluidity to enable quick charging and discharging of the powder from a flexible container. CONSTITUTION: The carboxymethylcellulose salt having excellent powder fl...
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JP2558089B2 |
To improve the dry strength of paper by adding an organosiloxane- containing starch to a paper stock. An organosiloxane-containing starch derivative represented by the formula (St-o is a starch molecule; R is a 3-12C alcohol, an ether, a...
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JP2557471B2 |
A composition containing an organic pigment, the particles of which pigment are provided with a tenacious, dense, highly crosslinked coating of ethyl cellulose. Pigment compositions of this kind are distinguished in particular by their c...
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JPH08245701A |
PURPOSE: To obtain the subject highly transparent and high-quality compound by acetylating a raw cellulose in a high concentration solution of an alkali metal hydroxide, partly neutralizing a part of the alkali in the reactional system, ...
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JPH08239401A |
PURPOSE: To convert cellulose of threads, fabrics, etc., into an isocyanate- modified deriv. to make the cellulose hydrophobic and water-repellent by bringing the cellulose into contact with an isocyanate vapor at a specified temp. CONST...
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JPH08508538A |
PCT No. PCT/EP94/00990 Sec. 371 Date Nov. 14, 1995 Sec. 102(e) Date Nov. 14, 1995 PCT Filed Mar. 28, 1994 PCT Pub. No. WO94/24169 PCT Pub. Date Oct. 27, 1994The Invention pertains to a process for the amidation of a material having at le...
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JPH08231604A |
To easily produce water-soluble aminoalkyl derivatives of polysaccharides useful for paper production or the like by alkylation of polysaccharides in the presence of a base with a paticular alkylation reagent and N,N-disubstituted amino-...
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JP2528486B2 |
A matrix useful for immobilizing organic ligands, such as biologically active materials, is prepared by reacting a hydroxyl group containing polymer with polyethyleneimine.
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JP2525497B2 |
A polysaccharide graft polymer having the structure Sacch-O-(-G-)m-(M)n-1-M (I) in which Sacch- is a polysaccharide; m = 0 or 1; G is the residue of a polymerisable unsatd. monomer which is bonded to the polysaccharide by an ether or est...
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JP2522861B2 |
PURPOSE:To provide an electroluminescence element binder and manufacturing method thereof, which allows thermocompression bonding under ordinary laminating conditions, and is free from generation of peeling-off, having a small dielectric...
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JP2520515B2 |
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JPH08188588A |
PURPOSE: To selectively obtain a specific glycoside isomer useful as a surfactant in high yield by an enzymatic method. CONSTITUTION: An alkyl[(poly)oxyalkylene](poly)glycerin glycoside expressed by formula I {-[O(HO)C3H5]x- is a (poly)g...
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JPH08188584A |
PURPOSE: To industrially and advantageously obtain a glycoside excellent in color tone by carrying out glycoside-producing reaction in the presence of a small amount of an inorganic sulfuric acid salt. CONSTITUTION: This gycoside is obta...
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JPH08183801A |
PURPOSE: To prepare a water-soluble cellulose ether easily dispersible and quickly dissolvable in an aq. solvent. CONSTITUTION: A water-soluble cellulose ether is modified with a silane of the formula: Si(-R1)(-R2)(-R3)(-R4) [wherein R1,...
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