FI801326A - Foerfarande foer viskositetssaenkning av cellulosaetrar med ozon och anvaendning av foerfarandet - Google Patents

Foerfarande foer viskositetssaenkning av cellulosaetrar med ozon och anvaendning av foerfarandet

Info

Publication number
FI801326A
FI801326A FI801326A FI801326A FI801326A FI 801326 A FI801326 A FI 801326A FI 801326 A FI801326 A FI 801326A FI 801326 A FI801326 A FI 801326A FI 801326 A FI801326 A FI 801326A
Authority
FI
Finland
Prior art keywords
viskositetssaenkning
cellulosaetrar
foerfarandet
ozon
med
Prior art date
Application number
FI801326A
Other languages
English (en)
Other versions
FI64604C (fi
FI64604B (fi
Inventor
Arno Holst
Eberhard Perplies
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of FI801326A publication Critical patent/FI801326A/fi
Application granted granted Critical
Publication of FI64604B publication Critical patent/FI64604B/fi
Publication of FI64604C publication Critical patent/FI64604C/fi

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

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)
FI801326A 1979-04-27 1980-04-24 Foerfarande foer viskositetssaenkning av cellulosaetrar med ozon och anvaendning av foerfarandet. FI64604C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792917104 DE2917104A1 (de) 1979-04-27 1979-04-27 Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung
DE2917104 1979-04-27

Publications (3)

Publication Number Publication Date
FI801326A true FI801326A (fi) 1980-10-28
FI64604B FI64604B (fi) 1983-08-31
FI64604C FI64604C (fi) 1989-01-04

Family

ID=6069424

Family Applications (1)

Application Number Title Priority Date Filing Date
FI801326A FI64604C (fi) 1979-04-27 1980-04-24 Foerfarande foer viskositetssaenkning av cellulosaetrar med ozon och anvaendning av foerfarandet.

Country Status (8)

Country Link
US (1) US4316982A (fi)
EP (1) EP0018547B1 (fi)
JP (1) JPS55145701A (fi)
BR (1) BR8002569A (fi)
CA (1) CA1127635A (fi)
DD (1) DD150063A5 (fi)
DE (2) DE2917104A1 (fi)
FI (1) FI64604C (fi)

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CN105992773B (zh) 2014-02-20 2018-04-20 陶氏环球技术有限责任公司 具有高分子量和均质性的酯化纤维素醚
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KR101839295B1 (ko) 2014-10-31 2018-04-27 다우 글로벌 테크놀로지스 엘엘씨 셀룰로오스 에테르의 에스테르를 제조하기 위한 방법
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CN107406521B (zh) 2015-03-16 2019-04-05 陶氏环球技术有限责任公司 用于在脂肪族羧酸存在下制备酯化纤维素醚的方法
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KR20190042604A (ko) 2016-08-23 2019-04-24 다우 글로벌 테크놀로지스 엘엘씨 셀룰로스 에테르 아세테이트 프탈레이트
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JP2024532260A (ja) 2021-08-26 2024-09-05 ニュートリション・アンド・バイオサイエンシーズ・ユーエスエー・ワン，エルエルシー 新規なヒドロキシアルキルメチルセルロース及びその使用

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Also Published As

Publication number Publication date
JPS55145701A (en) 1980-11-13
DE2917104A1 (de) 1980-11-06
EP0018547A1 (de) 1980-11-12
DD150063A5 (de) 1981-08-12
BR8002569A (pt) 1980-12-09
FI64604C (fi) 1989-01-04
US4316982A (en) 1982-02-23
FI64604B (fi) 1983-08-31
EP0018547B1 (de) 1982-12-01
CA1127635A (en) 1982-07-13
DE3061196D1 (en) 1983-01-05

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Owner name: HOECHST AKTIENGESELLSCHAFT