DE3278786D1 - Process for producing an alkali salt of a carboxymethylcellulose ether - Google Patents

Process for producing an alkali salt of a carboxymethylcellulose ether

Info

Publication number
DE3278786D1
DE3278786D1 DE8282108340T DE3278786T DE3278786D1 DE 3278786 D1 DE3278786 D1 DE 3278786D1 DE 8282108340 T DE8282108340 T DE 8282108340T DE 3278786 T DE3278786 T DE 3278786T DE 3278786 D1 DE3278786 D1 DE 3278786D1
Authority
DE
Germany
Prior art keywords
producing
alkali salt
carboxymethylcellulose ether
carboxymethylcellulose
ether
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
Application number
DE8282108340T
Other languages
English (en)
Inventor
Takeo Omiya
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.)
Daicel Corp
Original Assignee
Daicel Chemical Industries 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26401650&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3278786(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP56142731A external-priority patent/JPS6042241B2/ja
Priority claimed from JP57060576A external-priority patent/JPS6042242B2/ja
Application filed by Daicel Chemical Industries Ltd filed Critical Daicel Chemical Industries Ltd
Application granted granted Critical
Publication of DE3278786D1 publication Critical patent/DE3278786D1/de
Expired 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
    • C08B11/02—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)
DE8282108340T 1981-09-10 1982-09-09 Process for producing an alkali salt of a carboxymethylcellulose ether Expired DE3278786D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56142731A JPS6042241B2 (ja) 1981-09-10 1981-09-10 カルボキシメチルセルロ−ズエ−テルアルカリ塩の製法
JP57060576A JPS6042242B2 (ja) 1982-04-12 1982-04-12 高置換度カルボキシメチルセルロ−ズエ−テルアルカリ塩の製法

Publications (1)

Publication Number Publication Date
DE3278786D1 true DE3278786D1 (en) 1988-08-25

Family

ID=26401650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282108340T Expired DE3278786D1 (en) 1981-09-10 1982-09-09 Process for producing an alkali salt of a carboxymethylcellulose ether

Country Status (4)

Country Link
US (1) US4426518A (de)
EP (1) EP0074631B2 (de)
DE (1) DE3278786D1 (de)
FI (1) FI71750C (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3236158A1 (de) * 1982-09-30 1984-04-05 Hoechst Ag, 6230 Frankfurt Verfahren zur veretherung von cellulose mit monochloressigsaeurealkylestern
JPS6037121B2 (ja) * 1982-10-04 1985-08-24 ダイセル化学工業株式会社 カルボキシメチルセルロ−スナトリウム塩
DE3303153A1 (de) * 1983-01-31 1984-08-02 Henkel KGaA, 4000 Düsseldorf Verfahren zur herstellung von hochsubstituierten carboxyalkylcellulosen und deren mischethern
JPS59160967A (ja) * 1983-03-04 1984-09-11 Daicel Chem Ind Ltd アルカリ電池用ゲル化剤
JPS6038401A (ja) * 1983-08-12 1985-02-28 Daicel Chem Ind Ltd 繊維素グリコ−ル酸カルシウムの新規な製造法
JPS61286312A (ja) * 1985-06-14 1986-12-16 Daicel Chem Ind Ltd ウエ−ビングロ−シヨン組成物
FI75836C (fi) * 1987-01-27 1988-08-08 Metsae Serla Oy Nytt foerfarande foer framstaellning av natriumkarboximetylcellulosa.
US4845206A (en) * 1987-05-21 1989-07-04 The Dow Chemical Company Production of cellulose ethers using a premix of alkali and etherifying agent
DE4239553A1 (de) * 1992-11-25 1994-05-26 Wolff Walsrode Ag Carboxymethylcellulose sowie deren Verwendung im Textildruck
BRPI0309894B8 (pt) 2002-05-14 2021-07-27 Dupont Nutrition Usa Inc composição, processo para preparar uma composição de celulose microcristalina, produto alimentício, composição farmacêutica, composição cosmética, forma de dosagem farmacêutica, e, composição industrial
US7879382B2 (en) * 2005-09-30 2011-02-01 Fmc Corporation Stabilizers and compositions and products comprising same
EP2076249A2 (de) * 2006-10-27 2009-07-08 FMC Corporation Trockene granulationsbindemittel, produkte und ihre verwendung
CN101942028B (zh) * 2010-09-30 2012-02-01 华南理工大学 一种羧甲基纤维素钾的生产方法
CN101967233B (zh) * 2010-09-30 2012-09-05 华南理工大学 一种超声用于生产羧甲基纤维素钾的方法
US9826763B2 (en) 2011-10-05 2017-11-28 Fmc Corporation Stabilizer composition of microcrystalline cellulose and carboxymethylcellulose, method for making, and uses
EP2764045B1 (de) 2011-10-05 2017-03-01 FMC Corporation Stabilisatorzusammensetzung aus koattritierter mikrokristalliner cellulose und carboxymethylcellulose, verfahren zu ihrer herstellung und anwendungen davon
WO2013085810A2 (en) 2011-12-09 2013-06-13 Fmc Corporation Co-attrited stabilizer composition
CN103421122B (zh) * 2013-07-24 2016-01-20 南通泰利达新材料有限公司 一种高粘度、高取代度、高纯度羧甲基纤维素钠的生产工艺
ITUB20159503A1 (it) 2015-12-16 2017-06-16 Lamberti Spa Composizioni addensanti per paste da stampa tessile

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR677927A (fr) * 1928-07-11 1930-03-17 Perfectionnements à la fabrication des dérivés cellulosiques
US2524024A (en) * 1947-10-16 1950-09-26 Dow Chemical Co Method of making carboxymethyl cellulose
US3900463A (en) 1968-12-14 1975-08-19 Dai Ichi Kogyo Seiyaku Co Ltd Process for preparing alkali carboxymethyl cellulose
US3678031A (en) 1970-10-21 1972-07-18 Buckeye Cellulose Corp Slurry process for the production of absorptive carboxy methyl cellulose fibers
DE2358150C2 (de) 1973-11-22 1982-03-18 Hoechst Ag, 6000 Frankfurt Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern
DE2400879B2 (de) 1974-01-09 1976-04-01 Verfahren zur kontinuierlichen herstellung von celluloseglykolat
JPS5163927A (en) 1974-11-28 1976-06-02 Shinetsu Chemical Co Ketsugoseiryokonajozaihokaizaino seizohoho
US4063018A (en) * 1975-04-07 1977-12-13 Daicel Ltd. Process for preparing alkali metal salt of carboxymethyl cellulose ether
DE2557576C3 (de) * 1975-12-20 1982-03-25 Hoechst Ag, 6000 Frankfurt Verfahren zur absatzweisen Herstellung von Natrium-carboxymethylcellulose und Vorrichtung zur Dukchführung dieses Verfahrens

Also Published As

Publication number Publication date
FI71750B (fi) 1986-10-31
FI822987L (fi) 1983-03-11
US4426518A (en) 1984-01-17
EP0074631A1 (de) 1983-03-23
FI822987A0 (fi) 1982-08-30
EP0074631B2 (de) 1996-10-16
FI71750C (fi) 1987-02-09
EP0074631B1 (de) 1988-07-20

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings