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JP2019178216A |
To provide a fine fibrous cellulose that is satisfactorily dispersed in a resin, and can impart high strength and low thermal expansion coefficients to the resin blended herein, and a resin composition containing the fine cellulose fiber...
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JP2019151793A |
To provide a resin composition capable of obtaining a resin molding which improves flexibility.A resin composition contains cellulose acylate (A) having O-Si structure, a polyester resin (B), and an ester compound (C) having a molecular ...
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JP6572903B2 |
A cellulose derivative having a long-chain organic group having 5 or more carbon atoms and a short-chain organic group having 4 or less carbon atoms which are introduced by use of hydroxy groups of a cellulose, and including a crystal st...
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JP6569482B2 |
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JP6561607B2 |
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JP6557362B2 |
Provided is cellulose acetate with which a hollow fiber membrane having excellent salt rejection and water permeability can be produced. The cellulose acetate, in which a total content of calcium and magnesium is 2.8 to 3.5 μmol/g; a 6 ...
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JP2019119756A |
To provide a composition excellent in strength property and transparency, and containing a microfibrillated cellulose fiber chemically modified with polycarbonate (chemically modified microfibrillated cellulose fiber) excellent in produc...
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JP6537750B2 |
[Problem] To provide an oily thickener which has a high thickening effect on oily components, such as silicone oil, nonpolar organic compounds, and low-polar organic compounds, and is easy to handle. [Solution] Surface-hy-drophobicized c...
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JP6528997B2 |
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JP6528684B2 |
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JP6529967B2 |
The invention concerns a process for the manufacture of an acylated polysaccharide which comprises. (a) reacting a polysaccharide with an acylating agent to produce an acylated polysaccharide and (b) washing the acylated polysaccharide w...
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JP2019515066A |
A regioselectively substituted cellulose ester having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents is disclosed together with a method for producing the same. Such cellulose esters can be suitable for us...
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JPWO2017217502A1 |
A cellulose derivative in which at least a part of hydrogen atoms of the hydroxy group of cellulose is substituted with an acyl group having 2 to 4 carbon atoms, a long-chain organic group having 7 or more carbon atoms, and a high refrac...
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JP6488230B2 |
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JP2019502796A |
A method for producing a granular acylated biopolymer containing an anhydrous glucose unit, wherein the method is a constant of a granular surface unmodified biopolymer containing an anhydrous glucose unit in order to form a first disper...
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JP6456849B2 |
The presently disclosed and claimed inventive concept(s) relates to a polymer for enhancing drug performance and improving processability. Specifically, the polymer comprises hydroxypropyl methyl cellulose acetate succinate (HPMC-AS). On...
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JP6454427B2 |
Modified fine cellulose fibers are produced by impregnating a cellulose with a reactive fibrillation solution or mixture containing a catalyst including a base catalyst or an organic acid catalyst, a monobasic carboxylic anhydride, and a...
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JP6436084B2 |
A method for producing a cellulose derivative, including reacting a mixed acid anhydride having two particular types of acyl groups with cellulose in the presence of a base catalyst in an organic solvent having an electron pair-donating ...
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JP2018177965A |
To overcome situation that a treatment method capable of continuous production at low cost without using a specific device, although various methods for using a nanofiber by micronizing a cellulose fiber to nano-order as a filler and ble...
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JP2018154807A |
To provide a cellulose mixed ester useful as a semi-permeable membrane material and the like.The cellulose mixed ester is represented by a structural formula of the general formula (I). When X is an aromatic acyl group, the substitution ...
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JP2018145382A |
To provide a semipermeable membrane having high alkali resistance.The present invention provides a cellulose mixed ester represented by the structural formula of formula (I), in which the degree of substitution when X are acyl groups is ...
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JP6393408B2 |
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JP6384498B2 |
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JP6378316B2 |
The purpose of the present invention is to provide a novel cellulose derivative having excellent water-resistance. The present invention provides a cellulose acylate-oxoalkanoate which is a cellulose derivative in which some or all of th...
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JP6378712B2 |
A cellulose acetate according to the present invention has a total degree of acetyl substitution of 0.4 to 1.1 and has a compositional distribution index (CDI) of 3.0 or less, where the CDI is specified by the formula: CDI = Measured val...
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JP2018119052A |
To provide cellulose acetate having excellent transparency.Provided is a method for producing cellulose acetate flake, comprising the steps of: (a) generating a dope of cellulose acetate by reacting cellulose with acetic anhydride in the...
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JPWO2017065037A1 |
An object of the present invention is to provide a resin having biocompatibility and self-supporting property. The biocompatible resin of the present invention is a living body having a main chain made of a natural polymer derivative, a ...
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JP6349340B2 |
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JP6349341B2 |
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JP6335309B2 |
Provided are cellulose acetate flakes which have high polymerization degree and low acetification degree, while having small variation in the degree of acetyl substitution. The present invention provides cellulose acetate flakes which ar...
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JP6312815B2 |
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JP2018058941A |
To provide cellulose acetate excellent in color tone as well as moldability of a molded body and production efficiency thereof even though low quality pulp especially low in α-cellulose content is used, and a manufacturing method of the...
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JP2018059125A |
To provide a cellulose derivative having modified characteristics.A cellulose derivative has a short chain organic group introduced by esterification in place of a hydrogen atom of a hydroxyl group of cellulose and a long chain organic g...
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JP6277955B2 |
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JP6245779B2 |
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JP2017203051A |
To provide a cellulose ester from which such a film can be obtained that is improved in a dimensional change and has a sufficient elastic modulus and excellent adhesiveness to a polarizer.A mixed fatty acid cellulose ester is provided, h...
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JP6229773B1 |
[Subject] Offer of a cellulose reed rate which controls coloring of a resin-molding object which arises when a resin composition containing a cellulose reed rate is fabricated at high temperature. [Means for Solution] A mass ratio (A/B) ...
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JP6213641B2 |
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JP6209908B2 |
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JP6212424B2 |
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JP6202029B2 |
A resin composition contains a cellulose derivative of which a weight average molecular weight is 10,000 or greater and less than 75,000 and in which at least one hydroxyl group is substituted with an acyl group having 1 to 6 carbon atom...
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JP6197928B1 |
[Subject] Offer of a manufacturing method of a cellulose reed rate which can acquire little resin-molding object of coloring. [Means for Solution] A manufacturing method of a cellulose reed rate which has the process of acylating cellulo...
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JP6187653B1 |
[Subject] When a resin composition containing a cellulose reed rate obtained is fabricated at high temperature compared with a case where volume average particle diameter D50 measured using a laser diffraction type size distribution meas...
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JP6183515B1 |
[Subject] Offer of the manufacturing method of the cellulose reed rate excellent in yield . [Means for Solution] A manufacturing method of a cellulose reed rate whose quantity of the acetic acid in a process of having a process at which ...
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JP6178603B2 |
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JP6175635B2 |
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JP2017133037A |
To provide a process that can produce a fine cellulose fiber in which a hydrophobic group and a cationic group or an anionic group are introduced into the cellulose at a high yield.Provided is a process for producing a fine cellulose fib...
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JP6174806B2 |
A mixture of a cellulose derivative and a liquid diluent is prepared which comprises at least 5 weight percent of the cellulose derivative, based on the total weight of the cellulose derivative and the liquid diluent. The mixing operatin...
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JP6160752B1 |
[Subject] Offer of a cellulose reed rate which controls coloring of a resin-molding object which arises when a resin composition containing a cellulose reed rate is fabricated at high temperature. [Means for Solution] Content of acetic a...
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JP6160457B2 |
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