-
公开(公告)号:JP2009263641A
公开(公告)日:2009-11-12
申请号:JP2009071282
申请日:2009-03-24
Inventor: YOSHIMURA TADANORI , OKUTSU TAKAHISA
Abstract: PROBLEM TO BE SOLVED: To provide a method for efficiently producing a water-soluble polyuronate having good biodegradability by an environmentally-friendly method.
SOLUTION: The method for producing polyuronate represented by structure (1) comprises a step of oxidizing powdered cellulose with a crystallinity of ≤30%. The powdered cellulose with the low crystallinity is preferably obtained by treating a cellulose-containing raw material using a grinder. In the oxidation step, the powdered cellulose with the low crystallinity is preferably dispersed and oxidized in a water system in the presence of an N-oxyl compound.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 待解决的问题:提供一种通过环境友好的方法有效地生产具有良好的生物降解性的水溶性聚乙烯酸酯的方法。 解决方案:由结构(1)表示的制备多糖醛酸酯的方法包括将结晶度≤30%的粉末状纤维素氧化的步骤。 具有低结晶度的粉末状纤维素优选通过使用研磨机处理含纤维素的原料来获得。 在氧化步骤中,具有低结晶度的粉末状纤维素优选在N-氧基化合物存在下在水体系中分散和氧化。 版权所有(C)2010,JPO&INPIT
-
公开(公告)号:JP2009221369A
公开(公告)日:2009-10-01
申请号:JP2008068017
申请日:2008-03-17
Inventor: OKUTSU TAKAHISA
IPC: C08B11/02
Abstract: PROBLEM TO BE SOLVED: To provide a method for efficiently producing methyl cellulose by an industrially simple process.
SOLUTION: In this method for producing methyl cellulose, cellulose is reacted with hydrous methanol in a subcritical state of the methanol.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 待解决的问题:提供通过工业上简单的方法有效生产甲基纤维素的方法。 解决方案:在这种生产甲基纤维素的方法中,纤维素与甲醇的亚临界状态的含水甲醇反应。 版权所有(C)2010,JPO&INPIT
-
公开(公告)号:JP2009171952A
公开(公告)日:2009-08-06
申请号:JP2008209154
申请日:2008-08-15
Inventor: NOJIRI NAOKI , UMEHARA MASAHIRO , KIZUKI TOMOHITO , OKUTSU TAKAHISA , OGAWA AKINORI , KAWANO TAKAKO
IPC: C12P19/14
CPC classification number: Y02E50/17
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a sugar, which comprises subjecting an amorphous cellulose prepared by lowering a cellulose I type crystallinity from a cellulose-containing raw material, as a substrate, to an enzymatic reaction using a cellulase or the like, and by which the sugar can efficiently be produced in excellent productivity. SOLUTION: Provided is the method for producing the sugar, characterized by treating a cellulose-containing raw material having a bulk density of 100 to 500 kg/m 3 and an average particle size of 0.01 to 1 mm with a grinder to prepare amorphous cellulose having a decreased cellulose I type crystallinity of ≤33%, and then saccharifying the amorphous cellulose with a cellulase and/or a hemicellulase. The cellulose I type crystallinity (%)=[(I 22.6 -I 18.5 )/I 22.6 ]×100 wherein, I 22.6 is a diffracted intensity of a lattice plane (angle of diffraction 2θ= 22.6°) in X-ray diffraction; and I 18.5 is a diffracted intensity of an amorphous portion (angle of diffraction 2θ= 18.5°). COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 待解决的问题:提供一种糖的制造方法,其包括使用纤维素酶将来自含纤维素原料的纤维素I型结晶度降低的非晶质纤维素作为底物进行酶反应 可以以优异的生产率有效地生产糖。 解决方案:提供糖的制造方法,其特征在于,将堆积密度为100〜500kg / m 3,SP 3的平均粒径为0.01〜 1mm的研磨机,制备纤维素I型结晶度降低≤33%的无定形纤维素,然后用纤维素酶和/或半纤维素酶糖化无定形纤维素。 纤维素I型结晶度(%)= [(I SB = 22.6)/ I SB> 22.6 SB>]×100其中,I
22.6 SB>是X射线衍射中的晶格面(衍射角2θ= 22.6°)的衍射强度。 并且I 18.5 SB>是非晶部分的衍射强度(衍射角2θ= 18.5°)。 版权所有(C)2009,JPO&INPIT -
公开(公告)号:JP2007039347A
公开(公告)日:2007-02-15
申请号:JP2005222721
申请日:2005-08-01
Inventor: OKUTSU TAKAHISA
IPC: C07D317/36 , C07B61/00 , C07D319/06
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a glycerol carbonate with which by-products such as diglycerol are reduced in the method for producing the glycerol carbonate comprising reacting glycerol with urea.
SOLUTION: The method for producing the glycerol carbonate comprises reacting the glycerol with the urea in the presence of a solvent represented by general formula (1) (wherein, R
1 and R
2 are each the same or different and represent each a 2-3C straight-chain or a 2-3C branched chain alkyl group; and n represents 1 or 2).
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 待解决的问题:提供一种生产甘油碳酸酯的方法,其中包括使甘油与尿素反应的甘油碳酸酯的制备方法中的双甘油等副产物被还原。 解决方案:用于制备甘油碳酸酯的方法包括在通式(1)表示的溶剂存在下使甘油与脲反应(其中,R SP 1和R SP 2 各自相同或不同,表示2-3C直链或2-3C支链烷基; n表示1或2)。 版权所有(C)2007,JPO&INPIT
-
公开(公告)号:JP2004155723A
公开(公告)日:2004-06-03
申请号:JP2002323622
申请日:2002-11-07
Inventor: MIYAJIMA TETSUYA , OKUTSU TAKAHISA
Abstract: PROBLEM TO BE SOLVED: To obtain a detergent composition for skin or hair, having both of foamability at cleansing, and rinsing feeling at rinsing.
SOLUTION: This detergent composition for the skin or the hair contains one or more kinds of glyceryl ether represented by formula (1) (wherein, R
1 is a total 7-14C branched and saturated or unsaturated hydrocarbon having at least one branched methyl group). (With the proviso that the detergent composition for the skin or the hair, containing a mixture of isomers of decyl glyceryl ether obtained by using a mixture of isomers of decyl alcohol obtained by an oxo reaction from a trimer of propene is omitted).
COPYRIGHT: (C)2004,JPO-
公开(公告)号:JP2003267901A
公开(公告)日:2003-09-25
申请号:JP2002070198
申请日:2002-03-14
Applicant: KAO CORP
Inventor: SHIRASAWA TAKESHI , OKA KOJI , MORISHITA MITSUGI , OKUTSU TAKAHISA
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a glyceryl ether in high yield in which operation and reaction control is easy and loss of water used is slight. SOLUTION: The method for producing the glyceryl ether comprises carrying out a hydrolytic reaction while continuously feeding a glycidyl ether having a specific structure and water to a reactor. In the method, water is recovered by fractionation from a reaction mixture discharged from the reactor and recycled to the reactor. COPYRIGHT: (C)2003,JPO
-
公开(公告)号:JP2000247967A
公开(公告)日:2000-09-12
申请号:JP4610399
申请日:1999-02-24
Applicant: KAO CORP
Inventor: OKUTSU TAKAHISA , KITSUKI TOMOHITO
IPC: C07D319/06 , B01J23/06 , B01J27/053 , C07B61/00 , C07D317/36
Abstract: PROBLEM TO BE SOLVED: To easily and inexpensively obtain the subject compound useful for the synthesis of polymers such as polyesters, polycarbonates, and polyurethanes or as an activator/lubricating oil, etc., by reacting glycerol with urea. SOLUTION: This compound is obtained by reacting (A) glycerol with (B) urea, at pref. 80-160 deg.C esp. pref. 100-140 deg.C, under the condition that the component B is charged pref. at 0.2-2.0 molar times, esp. pref. 0.5-1.0 molar time based on the component A, preferably, while efficiently removing ammonia produced by making nitrogen flow pref. in the presence of a catalyst such as zinc oxide, and pref. in the presence of a dehydrating agent such as magnesium sulfate.
-
公开(公告)号:JPH10298185A
公开(公告)日:1998-11-10
申请号:JP11385597
申请日:1997-05-01
Applicant: KAO CORP
Inventor: OKUTSU TAKAHISA , KITSUKI TOMOHITO , KITA KATSUMI
IPC: B01J31/02 , C07B41/04 , C07B41/12 , C07B61/00 , C07C41/03 , C07C41/50 , C07C41/54 , C07C67/03 , C07C67/08 , C07C67/14 , C07F5/06
Abstract: PROBLEM TO BE SOLVED: To obtain the subject new compound comprising a specific aluminum sulfonate compound, causing no alcoholysis in a reaction using an alcohol as a raw material, useful as a catalyst for forming esters, acetals, ketals, olefins, ethers, etc. SOLUTION: This new aluminum compound is shown by the formula [R' is a (substituted) hydrocarbon; R is O, Cl, a (substituted) hydrocarbon or a (substituted) hydrocarbonoxy group; (m) is 1-3; (n) is 0-2; m+n is 3], causes no alcoholysis in a reaction using an alcohol as a raw material, has sufficient activity and is useful for producing esters, acetals, ketals, olefins and ethers as a Lewis catalyst slight in side reactions. The compound is obtained by reacting a trialkylaluminum or an aluminum trialkoxide [e.g. aluminum triisopropoxide] with a sulfonic acid (e.g. p-phenolsulfonic acid) in a solvent such as toluene by heating under reflux.
-
公开(公告)号:JPH0967288A
公开(公告)日:1997-03-11
申请号:JP22016795
申请日:1995-08-29
Applicant: KAO CORP
Inventor: FUJII YASUYUKI , OKUTSU TAKAHISA , FURUGAKI HISAKAZU , KITA KATSUMI
Abstract: PROBLEM TO BE SOLVED: To simply and inexpensively obtain an ether compound available for solvents, cosmetics, cleaning agent compositions, lubricating agents, emulsifiers, etc., in wide range. SOLUTION: (A) A >=6C hydroxy compound [e.g. a compound of the formula R1 -(OA)n OH (R1 is a 1-40C alkyl or alkenyl; A is a 2-12C alkylene; (n) is 0-30] is reacted with (B) a carbonyl compound [e.g. a compound of the formula (R2 and R3 are each H, a 1-20C alkyl, alkenyl or a cyclic structure in which both these groups are bonded)] while adding (C) a 1-4C alcohol (suitably methanol), preferably in an amount of 0.1-50mol% (especially 1-30mol%) based on the component B in a hydrogen atmosphere using a catalyst such as a Pd-based catalyst. 1,3-Dimethylbutyltetradecyl ether is exemplified as the ether compound.
-
公开(公告)号:JPH0687872A
公开(公告)日:1994-03-29
申请号:JP23956792
申请日:1992-09-08
Applicant: KAO CORP
Inventor: OKUTSU TAKAHISA , YANO SHINJI , KITA KATSUMI , FUJIKURA YOSHIAKI
Abstract: PURPOSE:To obtain a UV absorber providing a cosmetic having refreshing feeling free from greasiness and excellent protecting action on ultraviolet rays when blended with toilet lotion, milky lotion or cream. CONSTITUTION:A zirconium compound of the formula ZP(H2PO4)1-x(R -O-R OPO3H)x(PO4).yH2O [in the formula, R is cinnamoyl group which may contain substituent group or benzoyl group; R is 2-12C total carbon straight-chain or branched-chain alkylene group wherein an oxygen atom may be inserted into between carboncarbon atoms; x is number in a range of 0
-
-
-
-
-
-
-
-
-