BR8002569A - Processo para a reducao da viscosidade de eteres de celulose, e sua aplicacao - Google Patents

Processo para a reducao da viscosidade de eteres de celulose, e sua aplicacao

Info

Publication number
BR8002569A
BR8002569A BR8002569A BR8002569A BR8002569A BR 8002569 A BR8002569 A BR 8002569A BR 8002569 A BR8002569 A BR 8002569A BR 8002569 A BR8002569 A BR 8002569A BR 8002569 A BR8002569 A BR 8002569A
Authority
BR
Brazil
Prior art keywords
viscosity
reducing
application
cellulose ethers
ethers
Prior art date
Application number
BR8002569A
Other languages
English (en)
Inventor
A Holst
E 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 BR8002569A publication Critical patent/BR8002569A/pt

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)
BR8002569A 1979-04-27 1980-04-25 Processo para a reducao da viscosidade de eteres de celulose, e sua aplicacao BR8002569A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8002569A true BR8002569A (pt) 1980-12-09

Family

ID=6069424

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8002569A BR8002569A (pt) 1979-04-27 1980-04-25 Processo para a reducao da viscosidade de eteres de celulose, e sua aplicacao

Country Status (8)

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

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CN107074979B (zh) 2014-10-31 2019-07-19 陶氏环球技术有限责任公司 用于产生乙酸纤维素醚丁二酸酯的方法
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JP7767284B2 (ja) 2019-12-09 2025-11-11 ニュートリション アンド バイオサイエンシス ユーエスエー １，エルエルシー 高度置換ヒドロキシプロピルメチルセルロース及び糖アルコールを含む組成物
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KR102735401B1 (ko) 2021-08-26 2024-11-29 뉴트리션 ＆ 바이오사이언시즈 유에스에이 1, 엘엘씨 신규 하이드록시알킬 메틸셀룰로스 및 이의 용도

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Also Published As

Publication number Publication date
DE3061196D1 (en) 1983-01-05
EP0018547A1 (de) 1980-11-12
FI64604B (fi) 1983-08-31
JPS55145701A (en) 1980-11-13
FI64604C (fi) 1989-01-04
CA1127635A (en) 1982-07-13
US4316982A (en) 1982-02-23
DE2917104A1 (de) 1980-11-06
EP0018547B1 (de) 1982-12-01
DD150063A5 (de) 1981-08-12
FI801326A7 (fi) 1980-10-28

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