SE7708899L - Sett att framstella cellulosaalkyletrar - Google Patents
Sett att framstella cellulosaalkyletrarInfo
- Publication number
- SE7708899L SE7708899L SE7708899A SE7708899A SE7708899L SE 7708899 L SE7708899 L SE 7708899L SE 7708899 A SE7708899 A SE 7708899A SE 7708899 A SE7708899 A SE 7708899A SE 7708899 L SE7708899 L SE 7708899L
- Authority
- SE
- Sweden
- Prior art keywords
- cellulose
- reaction
- subjecting
- alkali metal
- alkyl
- 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
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
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 |
---|---|---|---|
DE2635403A DE2635403B2 (de) | 1976-08-06 | 1976-08-06 | Verfahren zum Herstellen von CeUuIoseäthern |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7708899L true SE7708899L (sv) | 1978-02-07 |
SE432256B SE432256B (sv) | 1984-03-26 |
Family
ID=5984874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7708899A SE432256B (sv) | 1976-08-06 | 1977-08-04 | Sett att framstella cellulosaalkyletrar |
Country Status (12)
Country | Link |
---|---|
US (1) | US4117223A (sv) |
JP (1) | JPS6050801B2 (sv) |
BE (1) | BE857505A (sv) |
CA (1) | CA1086313A (sv) |
DD (1) | DD132129A5 (sv) |
DE (1) | DE2635403B2 (sv) |
ES (1) | ES461417A1 (sv) |
FI (1) | FI60219C (sv) |
GB (1) | GB1589328A (sv) |
IT (1) | IT1114835B (sv) |
NL (1) | NL7708643A (sv) |
SE (1) | SE432256B (sv) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE466284B (sv) * | 1989-11-22 | 1992-01-27 | Berol Nobel Ab | Mikrobicid komposition innehaallande en laangkedjig alkylester och en nonjonisk vattenloeslig cellulosaeter |
JP2001302701A (ja) * | 2000-02-15 | 2001-10-31 | Shin Etsu Chem Co Ltd | 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 |
DE10234426A1 (de) * | 2001-09-14 | 2003-04-03 | Wolff Cellulosics Gmbh & Co Kg | Verfahren und Vorrichtung zur industriellen Herstellung von Methylhydroxyalkylcellulose |
DK1293515T3 (da) | 2001-09-14 | 2007-07-30 | Wolff Cellulosics Gmbh & Co Kg | Fremgangsmåde og udstyr til industriel fremstilling af methylhydroxyalkylcellulose |
SE520715C2 (sv) * | 2001-12-03 | 2003-08-12 | Akzo Nobel Nv | Förfarande för framställning av metylcellulosaetrar |
DE10233788A1 (de) † | 2002-07-25 | 2004-02-05 | Wolff Cellulosics Gmbh & Co. Kg | Cellulosederivate mit gel-artigen rheologischen Eigenschaften und Verfahren zur Herstellung derselben |
JP5377816B2 (ja) * | 2005-06-16 | 2013-12-25 | 信越化学工業株式会社 | セルロースエーテルの製造方法 |
JP5030567B2 (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 |
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 |
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 |
JP5052112B2 (ja) * | 2005-12-27 | 2012-10-17 | 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 |
JP5737993B2 (ja) | 2011-02-21 | 2015-06-17 | 信越化学工業株式会社 | アルカリセルロースの製造装置及びセルロースエーテルの製造方法 |
US9580516B2 (en) | 2011-02-21 | 2017-02-28 | Shin-Etsu Chemical Co., Ltd. | Methods for producing alkali cellulose and cellulose ether |
JP5571599B2 (ja) | 2011-02-21 | 2014-08-13 | 信越化学工業株式会社 | セルロースエーテルの製造方法 |
JP5737994B2 (ja) | 2011-02-21 | 2015-06-17 | 信越化学工業株式会社 | 微粉セルロースの回収を含むセルロースエーテルの製造方法 |
JP5671367B2 (ja) | 2011-02-21 | 2015-02-18 | 信越化学工業株式会社 | セルロースエーテルの製造方法 |
US11365266B2 (en) | 2017-03-29 | 2022-06-21 | Shin-Etsu Chemical Co., Ltd. | Method for producing cellulose ether |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1858017A (en) * | 1919-08-01 | 1932-05-10 | Lilienfeld Leon | Process of making alkali cellulose |
US1858018A (en) * | 1920-05-05 | 1932-05-10 | Lilienfeld Leon | Process for the manufacture of ethers of carbohydrates |
US1464158A (en) * | 1921-04-05 | 1923-08-07 | Eastman Kodak Co | Process of making cellulose ethers |
US1504178A (en) * | 1922-08-28 | 1924-08-05 | Augustus Dacre Lacy | Process for the production of ethers of carbohydrates |
US1704304A (en) * | 1925-02-20 | 1929-03-05 | Boehringer & Soehne Gmbh | Process of making cellulose ethers |
GB346426A (en) * | 1930-01-04 | 1931-04-07 | Ig Farbenindustrie Ag | Process for the manufacture of alkyl- and aralkyl-derivatives of cellulose |
US2067946A (en) * | 1935-06-19 | 1937-01-19 | Ici Ltd | Process of making cellulose derivatives |
GB482885A (en) * | 1935-08-01 | 1938-04-04 | Du Pont | Improvements in or relating to the production of cellulose ethers |
DE702062C (de) * | 1937-01-09 | 1941-01-29 | I G Farbenindustrie Akt Ges | Verfahren zur Herstellung von Alkylaethern der Cellulose |
US2216045A (en) * | 1937-05-27 | 1940-09-24 | Rohm & Haas | Water soluble ethers of alpha cellulose |
US2249754A (en) * | 1937-12-21 | 1941-07-22 | Joseph F Haskins | Low substituted alkyl cellulose ether |
US2340177A (en) * | 1940-09-03 | 1944-01-25 | Celanese Corp | Manufacture of cellulose ethers |
US2408326A (en) * | 1944-04-26 | 1946-09-24 | Dow Chemical Co | Process for preparing alkali-soluble methyl cellulose |
US2644818A (en) * | 1949-02-25 | 1953-07-07 | British Celanese | Manufacture of cellulose ethers |
US2806025A (en) * | 1953-10-15 | 1957-09-10 | Hercules Powder Co Ltd | Production of cellulose alkyl ethers |
GB778732A (en) * | 1954-04-19 | 1957-07-10 | Hercules Powder Co Ltd | Ethyl cellulose and manufacture thereof |
DE1060374B (de) * | 1958-02-19 | 1959-07-02 | Kalle & Co Ag | Verfahren zur Herstellung von Methylcellulose |
FR1218766A (fr) * | 1959-03-09 | 1960-05-12 | Wolff & Co Kg | Procédé de préparation d'éthers cellulosiques |
GB864766A (en) * | 1959-04-06 | 1961-04-06 | Wolff & Co | Improvements in or relating to the production of cellulose ethers |
GB909039A (en) * | 1960-05-16 | 1962-10-24 | British Celanese | Improvements in and relating to the production of cellulose methyl ethers |
DE1543136C3 (de) * | 1965-12-30 | 1980-04-17 | Hoechst Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen Herstellung von Methylcellulose oder Methylhydroxyalkylcellulose |
DE1642087B2 (de) * | 1967-10-10 | 1977-03-24 | Lödige, Wilhelm; Lödige, Fritz; Lücke, Josef, Dipl.-Ing.; 4790 Paderborn | Verfahren und vorrichtung zum chargenweisen sterilisieren von schuettguetern |
DE1942159B2 (de) * | 1969-08-19 | 1977-02-03 | Wladimirskij nautschno-issledowatelskij institut syntetitscheskich smol SSSR, Wladimir (Sowjetunion) | Verfahren zur herstellung von wasserloeslicher methylcellulose |
-
1976
- 1976-08-06 DE DE2635403A patent/DE2635403B2/de not_active Ceased
-
1977
- 1977-07-29 IT IT26352/77A patent/IT1114835B/it active
- 1977-08-02 FI FI772348A patent/FI60219C/fi not_active IP Right Cessation
- 1977-08-02 GB GB32350/77A patent/GB1589328A/en not_active Expired
- 1977-08-02 US US05/821,134 patent/US4117223A/en not_active Expired - Lifetime
- 1977-08-04 SE SE7708899A patent/SE432256B/sv not_active IP Right Cessation
- 1977-08-04 DD DD7700200445A patent/DD132129A5/xx unknown
- 1977-08-04 NL NL7708643A patent/NL7708643A/xx not_active Application Discontinuation
- 1977-08-05 JP JP52094046A patent/JPS6050801B2/ja not_active Expired
- 1977-08-05 ES ES461417A patent/ES461417A1/es not_active Expired
- 1977-08-05 BE BE2056137A patent/BE857505A/xx not_active IP Right Cessation
- 1977-08-05 CA CA284,244A patent/CA1086313A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1114835B (it) | 1986-01-27 |
GB1589328A (en) | 1981-05-13 |
US4117223A (en) | 1978-09-26 |
CA1086313A (en) | 1980-09-23 |
NL7708643A (nl) | 1978-02-08 |
ES461417A1 (es) | 1978-05-16 |
SE432256B (sv) | 1984-03-26 |
DE2635403B2 (de) | 1979-07-12 |
JPS5341356A (en) | 1978-04-14 |
BE857505A (fr) | 1977-12-01 |
DD132129A5 (de) | 1978-08-30 |
JPS6050801B2 (ja) | 1985-11-11 |
FI60219B (fi) | 1981-08-31 |
DE2635403A1 (de) | 1978-02-09 |
FI772348A (sv) | 1978-02-07 |
FI60219C (fi) | 1981-12-10 |
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