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JPH0460690B2 |
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JPH04505334A |
Compounds of the formula 1 PS - O - A - (CH2)n - B - D (1) wherein PS-O represents an alkoxide residue of any of the free hydroxy groups of a polysaccharide (PS-OH) compound with molecular weight (Mw) of from 40,000 to 5,000,000 selected...
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JPH04248801A |
PURPOSE:To obtain the title compound easily and in high yield. CONSTITUTION:The objective compound can be obtained by neutralizing reaction between celluloseglycolic acid and calcium hydroxide in a hydrous hydrophilic solvent.
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JPH04227701A |
PURPOSE: To provide new thermoplastic methyl hydroxypropyl cellulose ethers which are soluble in water and organic solvents. CONSTITUTION: The new thermoplastic methyl hydroxypropyl cellulose ethers were obtained by causing a compound th...
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JPH04211414A |
PURPOSE:To obtain the title polymer having excellent characteristics as an engineering resin by polymerizing formaldehyde using an anion polymerization catalyst in the presence of a monosaccharide and polysaccharide which has an active h...
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JPH0446826B2 |
Safety packages are prepared for transportation of methanol wherein ethyl cellulose having from 43 to 52 weight percent substitution is employed as a sorbent.Also disclosed is a blanket for methanol absorption having a filling of ethyl c...
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JPH04161431A |
PURPOSE:To obtain the title bulky, soft material excellent in pure water- and saline solution-absorbability, useful for disposable paper diapers, sanitary utensils, etc., by swelling a crosslinked cellulose derivative material with water...
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JPH04146901A |
PURPOSE:To provide a fibrous, highly water-absorptive cellulosic substance excellent in processability, biodegradability, etc., inexpensively by reacting a graft copolymer of a cellulosic substance with a vinyl monomer with a specified e...
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JPH04146902A |
PURPOSE:To provide a fibrous, highly water-absorptive cellulosic substance excellent in processability, biodegradability, etc., inexpensively by reacting a fibrous celluolosic substance with a specified etherifying agent in the presence ...
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JPH04130101A |
PURPOSE:To obtain the title compound prevented from blocking during the reaction and having a uniform degree of etherification by using a mixture of a plurality of specified metal salts as a metal salt of carboxymethylcellulose in produc...
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JPH04117320A |
PURPOSE: To obtain a shampoo and rinse composition readily rinsing and making hair to excellent setting without tacky feeling containing cationic cellulose having specific quaternary nitrogens. CONSTITUTION: The aimed composition contain...
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JPH0491068A |
NEW MATERIAL:Polyol derivatives having one or more methacryloyl groups or acryloyl groups and one or more cyanoethyl groups in a ≥4C polyol molecule. EXAMPLE: Cyanoethylated acryloylated xylitol. USE: Useful as a binder of a high diele...
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JPH0415208B2 |
A carrier base material combined with a therapeutically active medicament and shaped and compressed to a solid unit dosage form having a regular and prolonged release pattern upon administration, the carrier base material being one or mo...
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JPH0481B2 |
The molecular weight of irradiated carboxymethyl cellulose can be stabilized by heat treatment of irradiated carboxymethyl cellulose at a temperature from about 50 DEG C. to about 150 DEG C., preferably from about 70 DEG C. to about 90 D...
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JPH03279471A |
PURPOSE: To obtain a staple fiber having ultra-high water-absorptivity by using a uniform solution containing water, isopropyl alcohol and a surfactant as a reaction solvent in the carboxymethylation of a cellulosic fiber in the presence...
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JPH0377201B2 |
Water-soluble, cationic polysaccharides, including quaternary nitrogen-containing cellulose ethers, containing hydrophobic substitution, are substantially water-soluble; provide aqueous solutions having enhanced viscosity, foaming and pr...
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JPH03273001A |
PURPOSE:To produce a polysaccharide derivative improved in the balance among solubility in solvent, compatibility with resin, heat resistance, etc., by reacting a specified modified polysaccharide with a compound selected from among an a...
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JPH0373561B2 |
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JPH0373562B2 |
A process for the production of water-soluble hydroxyalkyl methyl cellulose by the alkalization of the cellulose with sodium hydroxide and by subsequent etherification with alkylene oxide in an inert solvent, characterized in that before...
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JPH0372047B2 |
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JPH0372082B2 |
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JPH0372081B2 |
A fluorine-containing cellulose derivative which is represented by the general formula: +TR wherein R is acetyl group which may be partially replaced by propionyl or butyryl group, x is 1.7-2.5, y is 0.05-0.6, p is 0,1,2 or 3 and n is th...
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JPH0370690B2 |
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JPH03250001A |
PURPOSE:To remove continuously a higher alcohol from an alkylpolysaccharide while preventing the polysaccharide from being denatured and discolored by feeding a mixture of the alkylpolysaccharide with the higher alcohol and a specified v...
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JPH03223301A |
PURPOSE: To obtain hydrophobic cellulose ether imparting good leveling characteristics to a latex paint preparation by substituting a long chain alkylaryl hydrocarbon group for a water-soluble nonionic cellulose ether in a specified degr...
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JPH03210301A |
PURPOSE:To produce the title salt improved in a degree of carboxymethylation and viscosity by effecting the etherification by adding a solid alkali hydroxide to a mixture of a cellulosic material with a solution of an alkali metal monoch...
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JPH0348010B2 |
A method for the production of micropowders from cellulose ethers or cellulose comprising (a) subjecting a cellulose ether or a cellulose having a fine-fiber, cottony or woolly structure to a consolidation or embrittlement sufficient whe...
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JPH0347285B2 |
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JPH03146503A |
PURPOSE:To industrially obtain the subject compound at a low cost by using a specific amount or more of water as a reaction medium and homogeneously carboxymethylating corn starch pulp in reacting the corn starch pulp with an alkali in t...
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JPH03146502A |
PURPOSE:To industrially obtain the subject compound at a low cost by using a specific amount or more of water as a reaction medium and homogeneously carboxymethylating sweet potato starch pulp in reacting the sweet potato starch pulp wit...
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JPH0333183B2 |
A continuous process for the granulation of alcohol- and water-moist carboxymethyl cellulose (CM) produced by standard methods, wherein the CMC still moist with adhering aqueous alcohol is continuously introduced into a stirring unit, of...
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JPH0327561B2 |
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JPH0323081B2 |
Quaternary ammonium salts of natural polysaccharides possessing hypocholesterolemic activity, of the following general formula:in which A represents the monomer unit of a natu- 'ral polysaccharide, m is a whole number between 100 and 100...
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JPH0356414A |
PURPOSE: To obtain the subject tablet containing a matrix-forming polymer, a binder and an acidifying agent for forming acidic fine environments and extended in an active duration time. CONSTITUTION: This controlled release tablet compri...
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JPH037681B2 |
A method for removing a pyrogen from a solution of a pyrogen-containing substance such as an amino acid, a nucleic acid base, an antibiotic, a hormone, a vitamin, an enzyme, an antibody or the like comprising contacting the solution with...
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JPH037201B2 |
The present invention is directed to a method of producing calcium cellulose glycolate. Basically, the method comprises converting sodium cellulose glycolate to calcium cellulose glycolate in a heterogeneous reaction system under particu...
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JPH037202B2 |
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JPH0316635A |
PURPOSE: To obtain W/O/W-type composite emulsion having high stability by preparing a mixture system of an oil phase containing nonion surfactant and a water phase containing hydroxypropyl cellulose, and emulsifying this mixture near the...
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JPH0312401A |
PURPOSE:To obtain the title compound useful as a thickening agent for cement mortar, extrusion forming materials, coatings, cosmetic bases, detergents, etc., by substituting a glycidyl ether for the OH group of a specific water-soluble c...
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JPH032881B2 |
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JPH0255441B2 |
Aldehyde-contg. polysaccharide derivs. of formulae (Ia)-(Ii), acetal-contg. polysaccharide derivs. of formulae (IIa)-(IIh) and acetals of formulae (IIIa)-(IIIf) are new: where Sacch-O- = polysaccharide molecule; n = 1-3; R11, R12 = alkyl...
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JPH02276828A |
PURPOSE: To remove the residual colorant, salt, etc., from a water-soluble polymer solution used for especially medical supplies at improved efficiency by bringing a water-soluble polysaccharide-ether-containing water-soluble polymer sol...
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JPH0250937B2 |
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JPH02269101A |
PURPOSE: To inexpensively wash the subject compd. without performing hot water washing by repeating operation suspending a cellulose ether crude product in an aq. soln. containing a polyvalent inorg. acid salt under stirring and separati...
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JPH02245002A |
PURPOSE: To obtain a cellulose deriv. hydrolyzate having a low mol.wt. and usable advantageously for food, chemicals, paper, etc., by hydrolyzing a cellulose deriv. with an enzyme or an acid or base soln., etc., to give an oligomer mixtu...
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JPH0242081B2 |
In modern processes for preparing cellulose ethers containing one or more types of substituents, such as MC, CMC, HEC, HPC, MHEC or EHEC, cellulose is reacted with an etherifying agent in the presence of water, base and at least one iner...
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JPH02235901A |
PURPOSE: To reduce the particle size of a high-molecular-weight high-viscosity cellulose ether without substantially lowering its viscosity by grinding it in a high-speed air stream impact mill. CONSTITUTION: The production process compr...
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JPH0240241B2 |
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JPH0227361B2 |
Polycarboxyalkyl-cellulose characterized by exceptionally high fluid absorbing and retaining capacities is obtained by oxidizing, under particular conditions, hydroinsoluble, cross-linked carboxyalkyl-cellulose having a substitution degr...
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JPH0225921B2 |
Molecular coordination complexes are formed between a cellulose polymer and a non-polar solid aliphatic alcohol containing 8 to 18 carbon atoms optionally substituted with an aliphatic group containing 8 to 18 carbon atoms by solvating t...
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