FR2591601B1 - Procede de production de sels de metal alcalin de carboxyalkyl cellulose insolubles dans l'eau - Google Patents

Procede de production de sels de metal alcalin de carboxyalkyl cellulose insolubles dans l'eau

Info

Publication number
FR2591601B1
FR2591601B1 FR868617139A FR8617139A FR2591601B1 FR 2591601 B1 FR2591601 B1 FR 2591601B1 FR 868617139 A FR868617139 A FR 868617139A FR 8617139 A FR8617139 A FR 8617139A FR 2591601 B1 FR2591601 B1 FR 2591601B1
Authority
FR
France
Prior art keywords
water
metal salts
alkaline metal
carboxyalkyl cellulose
producing alkaline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
FR868617139A
Other languages
English (en)
French (fr)
Other versions
FR2591601A1 (fr
Inventor
Hideharu Asano
Hizakazu Senda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DKS Co Ltd
Original Assignee
Dai Ichi Kogyo Seiyaku Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dai Ichi Kogyo Seiyaku Co Ltd filed Critical Dai Ichi Kogyo Seiyaku Co Ltd
Publication of FR2591601A1 publication Critical patent/FR2591601A1/fr
Application granted granted Critical
Publication of FR2591601B1 publication Critical patent/FR2591601B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
    • C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FR868617139A 1985-12-13 1986-12-08 Procede de production de sels de metal alcalin de carboxyalkyl cellulose insolubles dans l'eau Expired - Lifetime FR2591601B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60281612A JPS62141001A (ja) 1985-12-13 1985-12-13 水不溶性のカルボキシアルキルセルロ−ス・アルカリ金属塩の製造方法

Publications (2)

Publication Number Publication Date
FR2591601A1 FR2591601A1 (fr) 1987-06-19
FR2591601B1 true FR2591601B1 (fr) 1992-06-26

Family

ID=17641561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868617139A Expired - Lifetime FR2591601B1 (fr) 1985-12-13 1986-12-08 Procede de production de sels de metal alcalin de carboxyalkyl cellulose insolubles dans l'eau

Country Status (5)

Country Link
US (1) US4697008A (enExample)
JP (1) JPS62141001A (enExample)
DE (1) DE3642555C2 (enExample)
FR (1) FR2591601B1 (enExample)
GB (1) GB2185484B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60177001A (ja) * 1984-02-21 1985-09-11 Daicel Chem Ind Ltd 水に不溶性のカルボキシメチルセルロ−スエ−テルアルカリ塩の製造法
CA2076732C (en) * 1992-04-17 2006-05-09 Kimberly-Clark Worldwide, Inc. Modified polysaccharides having improved absorbent properties and process for the preparation thereof
US5550189A (en) * 1992-04-17 1996-08-27 Kimberly-Clark Corporation Modified polysaccharides having improved absorbent properties and process for the preparation thereof
JP3274550B2 (ja) * 1993-08-03 2002-04-15 株式会社日本触媒 吸水材の製法
DE19654745C5 (de) * 1996-12-30 2004-01-22 Lechner, M.D., Prof. Dr. Biologisch abbaubares Absorptionsmittel, dessen Herstellung und Verwendung
JP2001106701A (ja) * 1999-10-01 2001-04-17 Daicel Chem Ind Ltd 粗カルボキシメチルセルロースの精製方法
WO2009022358A1 (en) * 2007-08-10 2009-02-19 Luigi Ambrosio Superabsorbent polymer hydro gels and a method of preparing thereof
KR101932616B1 (ko) * 2008-11-18 2018-12-27 젤레시스 엘엘씨 체중 관리 및 혈당 조절 개선을 위한 방법 및 조성물
US9353191B2 (en) 2011-06-07 2016-05-31 Gelesis Llc Method for producing hydrogels
KR20230085212A (ko) 2014-06-20 2023-06-13 젤레시스 엘엘씨 과체중 또는 비만 치료 방법
AU2016211329B2 (en) 2015-01-29 2020-08-27 Gelesis Llc Method for producing hydrogels coupling high elastic modulus and absorbance
CN109276554A (zh) * 2018-09-28 2019-01-29 陈太师 一种高保水型胶囊的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375245A (en) * 1962-04-05 1968-03-26 Warner Machine Products Inc Method of making sodium carboxymethyl cellulose
US3723413A (en) * 1970-10-26 1973-03-27 Personal Products Co Water-insoluble fluid-absorptive and retentive materials and methods of making the same
US4200736A (en) * 1978-05-17 1980-04-29 International Playtex, Inc. Preparation of water-insoluble carboxymethyl cellulose absorbents
US4524829A (en) * 1983-08-23 1985-06-25 Halliburton Company Method of altering the permeability of a subterranean formation

Also Published As

Publication number Publication date
GB2185484A (en) 1987-07-22
DE3642555A1 (de) 1987-06-25
US4697008A (en) 1987-09-29
JPS62141001A (ja) 1987-06-24
FR2591601A1 (fr) 1987-06-19
GB2185484B (en) 1989-10-18
JPH0580481B2 (enExample) 1993-11-09
GB8629736D0 (en) 1987-01-21
DE3642555C2 (de) 1994-01-05

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Legal Events

Date Code Title Description
ST Notification of lapse