BE884333A - Preparation d'alkylcellulose par un procede continu - Google Patents
Preparation d'alkylcellulose par un procede continuInfo
- Publication number
- BE884333A BE884333A BE0/201420A BE201420A BE884333A BE 884333 A BE884333 A BE 884333A BE 0/201420 A BE0/201420 A BE 0/201420A BE 201420 A BE201420 A BE 201420A BE 884333 A BE884333 A BE 884333A
- Authority
- BE
- Belgium
- Prior art keywords
- alkylcellulose
- preparation
- continuous process
- continuous
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B17/00—Apparatus for esterification or etherification of cellulose
- C08B17/06—Apparatus for esterification or etherification of cellulose for making cellulose ethers
-
- 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
-
- 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
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792929011 DE2929011A1 (de) | 1979-07-18 | 1979-07-18 | Herstellung von alkylcellulose nach kontinuierlicher verfahrensweise |
Publications (1)
Publication Number | Publication Date |
---|---|
BE884333A true BE884333A (fr) | 1981-01-16 |
Family
ID=6076037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/201420A BE884333A (fr) | 1979-07-18 | 1980-07-16 | Preparation d'alkylcellulose par un procede continu |
Country Status (3)
Country | Link |
---|---|
US (1) | US4339574A (fr) |
BE (1) | BE884333A (fr) |
DE (1) | DE2929011A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4410693A (en) * | 1982-08-12 | 1983-10-18 | The Dow Chemical Company | Process for preparing cellulose derivatives |
US4547570A (en) * | 1983-10-20 | 1985-10-15 | The Dow Chemical Company | Process for preparing cellulose ethers |
US5493013A (en) * | 1992-04-23 | 1996-02-20 | Hoechst Aktiengesellschaft | Process for preparing cellulose ethers with cyclic ethers as suspending agents |
US6294008B1 (en) * | 1999-04-21 | 2001-09-25 | The Dow Chemical Company | Haze-free cellulose ether capsules and process for making |
JP5030566B2 (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 |
JP5030568B2 (ja) * | 2005-12-27 | 2012-09-19 | 信越化学工業株式会社 | アルカリセルロース及びセルロースエーテルの製造方法 |
EP2998340B1 (fr) | 2014-09-22 | 2019-07-17 | Shin-Etsu Chemical Co., Ltd. | Procédé de production en continu d'éther de cellulose |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA496725A (fr) | 1953-10-06 | Von Kohorn Henry | Methode pour le vieillissement de cellulose alcaline | |
BE458977A (fr) * | ||||
US1683682A (en) * | 1922-07-13 | 1928-09-11 | Lilienfeld Leon | Preparation of alkali cellulose and cellulose ethers |
GB200816A (en) * | 1922-07-13 | 1924-11-10 | Leon Lilienfeld | Improvements in and relating to a process of preparing alkali celluloses, and in the preparation of cellulose ethers therefrom |
GB250617A (en) * | 1925-04-10 | 1927-05-05 | Soie De Chatillon | A process for the maturation of alkali cellulose intended for the preparation of artificial silk by the viscose method |
GB526061A (en) * | 1938-03-07 | 1940-09-10 | Rheinische Kunstseide Ag | Process of ripening alkali cellulose |
GB546647A (en) * | 1941-01-22 | 1942-07-23 | Henry Dreyfus | Improvements in or relating to the production of alkali cellulose and cellulose derivatives |
US2296829A (en) * | 1941-03-22 | 1942-09-29 | Dow Chemical Co | Making alkali cellulose of low water content |
DE896636C (de) * | 1943-07-02 | 1953-11-12 | Ciba Geigy | Verfahren zur Herstellung von Alkalicellulose |
GB625962A (en) | 1944-04-01 | 1949-07-06 | Stewart Elmer Seaman | Process and apparatus for the treatment of cellulose |
US2619483A (en) * | 1947-10-17 | 1952-11-25 | Celanese Corp | Production of alkali cellulose |
US2977355A (en) * | 1954-01-13 | 1961-03-28 | Celanese Corp | Alkali cellulose aging |
DE1060374B (de) * | 1958-02-19 | 1959-07-02 | Kalle & Co Ag | Verfahren zur Herstellung von Methylcellulose |
GB864766A (en) * | 1959-04-06 | 1961-04-06 | Wolff & Co | Improvements in or relating to the production of cellulose ethers |
US3255071A (en) * | 1963-10-25 | 1966-06-07 | Theodor N Kleinert | Process for production of alkali cellulose in the absence of an aqueous liquid phase |
DE1543136C3 (de) * | 1965-12-30 | 1980-04-17 | Hoechst Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen Herstellung von Methylcellulose oder Methylhydroxyalkylcellulose |
SU385453A3 (fr) * | 1965-12-30 | 1973-05-29 | ||
US4015067A (en) * | 1975-08-18 | 1977-03-29 | The Dow Chemical Company | Method of preparing polysaccharide ethers and apparatus |
-
1979
- 1979-07-18 DE DE19792929011 patent/DE2929011A1/de not_active Ceased
-
1980
- 1980-07-07 US US06/165,869 patent/US4339574A/en not_active Expired - Lifetime
- 1980-07-16 BE BE0/201420A patent/BE884333A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4339574A (en) | 1982-07-13 |
DE2929011A1 (de) | 1981-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: HENKEL K.G. AUF AKTIEN Effective date: 19880731 |