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JP3221963B2 |
PURPOSE: To obtain highly absorbent materials of a natural base having the same absorbent properties as synthetic high absorbent materials and as the result, being suitable for use in absorbent products of personal care. CONSTITUTION: A ...
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JP3222000B2 |
PURPOSE: To provide carboxymethyl cellulose having a powder after the first stage of the specified grain size curve and prepared by two stage processes, showing high permeability without hard feeling and high stability as a thickener for...
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JP2001288201A |
To provide a method of conducting hydrolysis depolymerization of cellulose ether using an acid catalyst and subsequent separation without changing the space used. In the space between an inlet and a filter element of an apparatus compris...
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JP3219889B2 |
PURPOSE: To provide a derivative compound which comprises a specified ionic tertiary sulfoalkyl (hydroxylalkyl) modified cellulose and, when added to gypsum or cement, can give a compound markedly improved in water retentivity, non- defl...
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JP3219924B2 |
PURPOSE: To produce a compound which is useful as a sizing agent for a printing ink and has an excellent stability against a base or an acid, and improves the texture of a printing substrate by selecting a specific carboxymethyl sulfoeth...
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JP3219922B2 |
PURPOSE: To provide carboxymethyl cellulose excellent in clarity, flow behavior at the time of printing and prevention of woven textiles from hardening and useful in a printing flow modifier, etc., which is obtained by conducting pulveri...
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JP2001278901A |
To provide a cellulose ether which shows thickening action in an aqueous solution even if the degree of substitution is very low, suitable for a thickening agent in, for example coating materials, adhesives and cosmetics, and in addition...
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JP2001516772A |
Compositions and methods which utilize certain cellulosic based polymer or oligomeric materials as fabric treatment agents that can impart fabric appearance and integrity benefits to fabrics and textiles laundered in washing solutions wh...
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JP3212531B2 |
To obtain the subject compound capable of providing excellent collapsibility to a tablet and a granule even in addition of a small amount by specifying a proportion of one-substituted body in anhydrous glucose units in a cellulose substi...
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JP3212534B2 |
To provide a low-substitution-degree hydroxypropylcellulose powder which is a powdery drug used as a disintegrator used in combination with medicinal components in the production of e.g. granulated medicines, can give granules of good di...
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JP3212532B2 |
To obtain the subject cellulose capable of increasing the granulation speed of a granular preparation by an extruding granulation method even in the case of adding the same in a large amount by controlling the amount of washing liquid fo...
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JP2001514267A |
The invention relates to polysaccharide derivatives comprising a) at least one hydrophobic and b) at least one nitrogen-containing substituent; in particular, the derivative is a cellulose ether which, as substituent a), has a trialkylsi...
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JP2001240602A |
To obtain a particulate water-soluble cellulosic derivative capable of setting a certain specific pulverization level and increasing the bulk density of the resultant product without roughening the surface of the product.This method for ...
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JP2001240601A |
To provide an especially economical new method for producing a particulate water-soluble cellulosic derivative.This method for producing the particulate water-soluble cellulosic derivative comprises bringing a feed composition containing...
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JP2001510860A |
A water-soluble, biodegradable hydroxyalkyl cellulose-2-hydroxycarboxylic acid ester is disclosed. The hydroxyalkyl cellulose-2-hydroxycarboxylic acid ester has: (i) a molecular degree of substitution of the hydroxyalkyl group of less th...
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JP2001510207A5 |
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JP2001181301A |
To provide a polysaccharide derivative that shows a high thickening effect at a low content even in the presence of a surfactant and can be used as a thickening agent for cleaning. A polysaccharide derivative is provided wherein all or p...
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JP3180111B2 |
To obtain a new polysaccharide deriv. which is formed by substituting hydrogen atoms of at least two hydroxyl groups of a polysaccharide with alkyl, alkenylated glyceryl ether, and carboxymethyl groups in a specified ratio and which has ...
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JP2001507735A |
The present invention is directed to a method of producing methylated hydroxypropylcellulose (m-HPC). By controlling the degree of methylation, one can manipulate the lower critical solution temperature (LCST) of the m-HPC polymer to bel...
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JP2001137100A |
To provide a filling material for a pillow which solves the problems in a prior art and has an improved pleasant usability, and which can be easily treated and has improved performances such as moisture absorbing and discharging properti...
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JP3167055B2 |
PURPOSE: To efficiently obtain the subject compound having high quality equivalent to the compound obtained by a conventional method, using a reactional solvent capable of readily reutilizing by using a sparingly water-soluble organic so...
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JP3165377B2 |
To obtain a new polysaccharide derivative that provides a highly transparent aqueous solution, develops an excellent thickening effect with little viscosity change, and excellent emulsification stability by addition of a small quantity o...
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JP2001122902A |
To provide a method for purifying a carboxymethylcellulose(CMC), capable of extremely reducing the content of a remaining organic solvent in the CMC, especially capable of reducing the content of methanol so as to be ≤500 ppm in the me...
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JP2001122901A |
To prevent cellulose ethers from being discolored at the time of drying. The cellulose ethers heated to about 50-130°C and containing a solvent are charged to a drier, and the charged cellulose ethers containing the solvent are dried wh...
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JP2001122904A |
To provide polysaccharide aldehydes useful as a strength additive for wet strength, temporary wet strength and dry strength for paper, and further to provide a method for producing the same. This method for producing the polysaccharide a...
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JP2001114801A |
To provide a method for producing sodium salt of caroxymethyl cellulose capable of dissolving in an aqueous solution having high salt concentration without salting out and low in reduction of viscosity. In a process reacting an alkali wi...
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JP2001106701A |
To provide a method for purifying carboxymethyl cellulose(CMC), capable of remarkably decreasing a content of residual organic solvent in the CMC, especially decreasing the content of methanol to 500 ppm or below, when the CMC is prepare...
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JP2001089501A |
To provide a method for producing a cellulose derivative, capable of converting celluloses into cellulose derivatives having various substituents and substitution degrees in a short time in a small amount of by-products at a low process ...
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JP3148029B2 |
PURPOSE: To obtain the subject monomer capable of providing a polymer useful as a new substrate for cell culture, a biodegradable plastic, etc., due to vinyl group at the reducing terminal of a polysaccharide by (co)polymerization, etc.,...
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JP2001048901A |
To provide a production method for carboxymethyl cellulose enabling production of the carboxymethyl cellulose in a short time and low in accumulation volume of by-products. In this method producing carboxymethyl cellulose by a) activatio...
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JP2001031701A |
To improve the particle characteristic and tablet property by setting the content of hydroxypropoxyl group and apparent average degree of polymerization within specific ranges. This cellulose contains 5.0-16.0 wt.% of hydroxypropoxyl gro...
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JP2001009316A |
To reduce the undissolved fiber content of a cellulose ether water solution, enhance productivity and obtain cellulose ether stably by grinding pulp by using a vertical roller mill so as to produce powder pulp.A raw material pulp is powd...
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JP2000336101A |
To obtain the subject cellulose capable of reducing the amount of propylene oxide while maintaining qualities, excellent not only in an economical aspect but also in an environmental aspect, useful as a medicine additive by using a cellu...
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JP2000302802A |
To reduce the treatment time and the space for equipment and to obtain a particle which can easily decrease ash content in a washing step by conducting a step of dissolving a reaction product of an alkali cellulose and a hydroxypropylati...
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JP3103409B2 |
Water-soluble hydroxypropyl sulfoethyl cellulose derivatives having an average degree of substitution (DS) with sulfoethyl groups of <0.3 and a molar degree of substitution (MS) with hydroxypropyl or <2.
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JP2000297101A |
To provide a method of manufacturing crosslinked carboxyalkyl cellulose having excellent water absorbing capacity even in the case a recycled pulp from used paper is used, and also provide a method of manufacturing absorbent therefrom. A...
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JP2000281701A |
To realize the viscosity reduction of an aqueous solution of carboxymethylcellulose even of high concentration by dissolving or dispersing an enzyme in water to prepare a solution beforehand and slowly adding raw material carboxymethylce...
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JP3087145B2 |
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JP3071442B2 |
A water soluble enzymatic hydrolysate of a cellulose derivative and fractions tereof comprising a cellulose derivative hydrolyzed with an enzyme preparation to form a low molecular weight polymer or a mixture of oligomers having an avera...
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JP2000204101A |
To obtain the subject ether, selected from specific hydroxylalkyl cellulosic compounds, having secured quality and good treatment characteristics, and useful for development of a protective colloid for polymerization in an aqueous system...
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JP3059004B2 |
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JP2000186101A |
To provide a method for producing a hydroxypropyl cellulose having excellent solubility in alcohols such as methanol, ethanol and 2-propanol and water even in the case of using an alkali cellulose having a low degree of polymerization as...
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JP2000507933A |
The invention relates to cycloalkyl derivatives, a process for their preparation and their use.
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JP2000508028A |
Disclosed are silicone polymers comprising: a) formulae (Ia), wherein [A]m and [B]n, individually, is a non-reacting polymeric substituent wherein m + n is an integer of 1 to about 100,000, where one of m or n can be 0; and at least one ...
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JP3056884B2 |
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JP3043461B2 |
Novel alkenylmethylhydroxypropylcellulose ethers have a mean degree of substitution DS by methyl groups of from 1.5 to 2.9, a molar degree of substitution MS by hydroxypropyl groups of from 1.4 to 1.9 and a mean degree of substitution DS...
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JP2000119302A |
To obtain a thermoplastic biodegradable plastic having a specific chemical structural formula, not requiring the use of a melting point imparter such as a specified biodegradable polymer, biodegradable plasticizer, or the like, useful as...
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JP2000119303A |
To obtain a carboxymethyl cellulose salt for providing an aqueous solution of a carboxymethyl cellulose alkali salt having low viscosity and excellent fluidity.In this method for producing a carboxymethyl cellulose alkali salt by making ...
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JP2000063565A |
To obtain a cellulose ether neither dusting nor forming undissolved lump of powder, quickly dissolvable, having excellent wettability with water, useful as a humectant, etc., by gelling a water-soluble cellulose ether with a cross-linkin...
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JP2000063208A |
To obtain the subject composition having high dispersion stability in an aqueous solvent, effectively usable over a long period and useful for imparting antimicrobial properties to a water-based coating, a coating agent, a wall material,...
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