FI66882C - Foerfarande foer framstaellning av vattenfattig alkalicellulosa - Google Patents

Foerfarande foer framstaellning av vattenfattig alkalicellulosa Download PDF

Info

Publication number
FI66882C
FI66882C FI810541A FI810541A FI66882C FI 66882 C FI66882 C FI 66882C FI 810541 A FI810541 A FI 810541A FI 810541 A FI810541 A FI 810541A FI 66882 C FI66882 C FI 66882C
Authority
FI
Finland
Prior art keywords
cellulose
sodium hydroxide
alkalization
alkali
process according
Prior art date
Application number
FI810541A
Other languages
English (en)
Finnish (fi)
Other versions
FI810541L (fi
FI66882B (fi
Inventor
Norbert Kuehne
Hasso Leischner
Wilfrid Raehse
Willi Wuest
Original Assignee
Henkel Kgaa
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=6097620&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI66882(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Henkel Kgaa filed Critical Henkel Kgaa
Publication of FI810541L publication Critical patent/FI810541L/fi
Application granted granted Critical
Publication of FI66882B publication Critical patent/FI66882B/fi
Publication of FI66882C publication Critical patent/FI66882C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/08—Alkali cellulose

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)
FI810541A 1980-03-19 1981-02-23 Foerfarande foer framstaellning av vattenfattig alkalicellulosa FI66882C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3010464 1980-03-19
DE19803010464 DE3010464A1 (de) 1980-03-19 1980-03-19 Verfahren zur herstellung von wasserarmer alkalicellulose

Publications (3)

Publication Number Publication Date
FI810541L FI810541L (fi) 1981-09-20
FI66882B FI66882B (fi) 1984-08-31
FI66882C true FI66882C (fi) 1986-02-20

Family

ID=6097620

Family Applications (1)

Application Number Title Priority Date Filing Date
FI810541A FI66882C (fi) 1980-03-19 1981-02-23 Foerfarande foer framstaellning av vattenfattig alkalicellulosa

Country Status (5)

Country Link
US (1) US4341892A (fr)
EP (1) EP0038925B1 (fr)
JP (1) JPS56145901A (fr)
DE (2) DE3010464A1 (fr)
FI (1) FI66882C (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3147434A1 (de) * 1981-11-30 1983-06-09 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von celluloseethern mit dimethoxyethan als dispergierhilfsmittel
US4401813A (en) * 1981-12-10 1983-08-30 Nl Industries, Inc. Process for preparing alkali metal salt of carboxymethyl cellulose
US4547570A (en) * 1983-10-20 1985-10-15 The Dow Chemical Company Process for preparing cellulose ethers
JP5030569B2 (ja) * 2005-12-27 2012-09-19 信越化学工業株式会社 セルロースエーテルの製造方法
CN101473089A (zh) * 2006-06-14 2009-07-01 塞皮制造（Pty）有限公司 浆粕反应性的提高
JP5586186B2 (ja) * 2009-08-06 2014-09-10 株式会社プレックス アルカリセルロースまたはその誘導体の製造方法。
CN117440974A (zh) * 2021-06-08 2024-01-23 营养与生物科学美国1有限责任公司 用于生产甲基纤维素或羟烷基甲基纤维素的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1682294A (en) * 1928-08-28 chemistry
CA546634A (fr) * 1957-09-24 C. Laughlin Kenneth Preparation de cellulose alcaline
GB543301A (en) * 1940-08-16 1942-02-18 Henry Dreyfus Improvements in or relating to the production of alkali cellulose and cellulose ethers
GB611081A (en) * 1945-03-09 1948-10-25 Mo Och Domsjoe Ab Improvements in or relating to the production of alkali cellulose
US2680737A (en) * 1951-05-17 1954-06-08 Hercules Powder Co Ltd Alkali cellulose preparation
US2767170A (en) * 1951-08-29 1956-10-16 Hercules Powder Co Ltd Preparation of alkali cellulose
US2680738A (en) * 1952-04-11 1954-06-08 Hercules Powder Co Ltd Preparation of alkali cellulose
US3085087A (en) * 1956-09-13 1963-04-09 Hercules Powder Co Ltd Preparation of carboxyalkyl cellulose ethers
DE1468226B2 (de) * 1962-10-31 1973-03-22 Miltenberger Industriewerk P.&B. Weber, 8761 Bürgstadt Verfahren zur herstellung von alkalicellulose

Also Published As

Publication number Publication date
JPH0157681B2 (fr) 1989-12-07
DE3168851D1 (en) 1985-03-28
JPS56145901A (en) 1981-11-13
FI810541L (fi) 1981-09-20
FI66882B (fi) 1984-08-31
DE3010464A1 (de) 1981-10-01
EP0038925A3 (en) 1982-04-28
EP0038925B1 (fr) 1985-02-13
US4341892A (en) 1982-07-27
EP0038925A2 (fr) 1981-11-04

Similar Documents

Publication Publication Date Title
EP2834275B1 (fr) Procédé de préparation d'éthers de cellulose à l'aide d'un procédé faisant appel à une teneur de solides élevée, produit ainsi obtenu et ses utilisations
US4339573A (en) Preparation of cellulose derivatives using highly reactive alkali cellulose
US8017766B2 (en) Methods for preparing alkali cellulose and cellulose ether
US9416198B2 (en) Method for producing alkali cellulose
EP2706071B1 (fr) Procédé de production de cellulose alcaline
US4460766A (en) Dispersing auxiliary for preparing cellulose ethers
EP1803739B1 (fr) Procédés de préparation de cellulose alcali et d'éther de cellulose
US4550161A (en) Preparing water-soluble mixed cellulose ethers
EP1803736B1 (fr) Procédés de préparation de cellulose alcali et d'éther de cellulose
KR101164676B1 (ko) 메틸히드록시알킬 셀룰로스의 제조 방법
KR20010080592A (ko) 저점도의 수용성 셀룰로오스 에테르의 제조 방법
FI66882C (fi) Foerfarande foer framstaellning av vattenfattig alkalicellulosa
US20080242852A1 (en) Method for Preparation of Hydroxyalkylalkylcellulose Ethers with High Yield
US7005515B2 (en) Process for preparing alkyl hydroxyalkyl cellulose ethers
FI74025C (fi) Foerfarande foer framstaellning av cellulosaetrar ur med ammoniak aktiverad cellulosa.
US9580516B2 (en) Methods for producing alkali cellulose and cellulose ether
KR20130028010A (ko) 비이온성 수용성 셀룰로오스 에테르의 제조 방법
FI73443C (fi) Foerfarande foer framstaellning av cellulosaetrar med ett dimetoxietan innehaollande dispergeringshjaelpmedel.
NZ330917A (en) Process for producing cellulose derivatives where ammonia activated cellulose is impregnated with alkali solution and then subjected to either a substitution or addition reaction
US5166336A (en) Method for production of a corn milling residue carboxymethyl ether salt
KR101840881B1 (ko) 셀룰로오스에테르의 제조 방법
US10800858B2 (en) Cellulose ethers substituted with hydroxyl and alkyne groups and with hydroxyalkyl, alkyne and azide groups, and use thereof as water-insoluble adhesives
US20230312761A1 (en) Method for producing hydroxyalkyl alkyl cellulose
CN113501971A (zh) 一种低聚合度水溶性纤维素醚制造方法

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN