FI60219C - Foerfarande foer framstaellning av cellulosaalkyletrar - Google Patents
Foerfarande foer framstaellning av cellulosaalkyletrar Download PDFInfo
- Publication number
- FI60219C FI60219C FI772348A FI772348A FI60219C FI 60219 C FI60219 C FI 60219C FI 772348 A FI772348 A FI 772348A FI 772348 A FI772348 A FI 772348A FI 60219 C FI60219 C FI 60219C
- Authority
- FI
- Finland
- Prior art keywords
- cellulose
- reaction
- alkali
- temperature
- pressure
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 description 35
- 239000001913 cellulose Substances 0.000 description 35
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 29
- 238000006243 chemical reaction Methods 0.000 description 28
- 238000000034 method Methods 0.000 description 25
- 150000001350 alkyl halides Chemical class 0.000 description 16
- 229920003086 cellulose ether Polymers 0.000 description 16
- 239000000047 product Substances 0.000 description 14
- 239000003513 alkali Substances 0.000 description 10
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 7
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 238000006266 etherification reaction Methods 0.000 description 5
- 229940050176 methyl chloride Drugs 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 4
- 235000019325 ethyl cellulose Nutrition 0.000 description 4
- 229920000609 methyl cellulose Polymers 0.000 description 4
- 239000001923 methylcellulose Substances 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000001856 Ethyl cellulose Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 3
- 125000001033 ether group Chemical group 0.000 description 3
- 229920001249 ethyl cellulose Polymers 0.000 description 3
- 229960003750 ethyl chloride Drugs 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- 150000005215 alkyl ethers Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 150000001348 alkyl chlorides Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005517 mercerization Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000021962 pH elevation Effects 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2635403 | 1976-08-06 | ||
| DE2635403A DE2635403B2 (de) | 1976-08-06 | 1976-08-06 | Verfahren zum Herstellen von CeUuIoseäthern |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI772348A7 FI772348A7 (fr) | 1978-02-07 |
| FI60219B FI60219B (fi) | 1981-08-31 |
| FI60219C true FI60219C (fi) | 1981-12-10 |
Family
ID=5984874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI772348A FI60219C (fi) | 1976-08-06 | 1977-08-02 | Foerfarande foer framstaellning av cellulosaalkyletrar |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4117223A (fr) |
| JP (1) | JPS6050801B2 (fr) |
| BE (1) | BE857505A (fr) |
| CA (1) | CA1086313A (fr) |
| DD (1) | DD132129A5 (fr) |
| DE (1) | DE2635403B2 (fr) |
| ES (1) | ES461417A1 (fr) |
| FI (1) | FI60219C (fr) |
| GB (1) | GB1589328A (fr) |
| IT (1) | IT1114835B (fr) |
| NL (1) | NL7708643A (fr) |
| SE (1) | SE432256B (fr) |
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 |
| DE50209901D1 (de) | 2001-09-14 | 2007-05-24 | Wolff Cellulosics Gmbh & Co Kg | Verfahren und Vorrichtung zur industriellen Herstellung von Methylhydroxyalkylcellulose |
| DE10234426A1 (de) * | 2001-09-14 | 2003-04-03 | Wolff Cellulosics Gmbh & Co Kg | Verfahren und Vorrichtung zur industriellen Herstellung von 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| US11365266B2 (en) | 2017-03-29 | 2022-06-21 | Shin-Etsu Chemical Co., Ltd. | Method for producing cellulose ether |
Family Cites Families (25)
| 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 |
| GB729823A (en) | 1951-05-17 | 1955-05-11 | Hercules Powder Co Ltd | Improvements in or relating to alkali cellulose preparation |
| 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 |
| DE1061766B (de) | 1957-10-10 | 1959-07-23 | Wolff & Co Kommanditgesellscha | Verfahren zur Herstellung von Celluloseaethern |
| 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 NL NL7708643A patent/NL7708643A/xx not_active Application Discontinuation
- 1977-08-04 SE SE7708899A patent/SE432256B/xx not_active IP Right Cessation
- 1977-08-04 DD DD7700200445A patent/DD132129A5/xx unknown
- 1977-08-05 ES ES461417A patent/ES461417A1/es not_active Expired
- 1977-08-05 JP JP52094046A patent/JPS6050801B2/ja not_active Expired
- 1977-08-05 BE BE2056137A patent/BE857505A/fr not_active IP Right Cessation
- 1977-08-05 CA CA284,244A patent/CA1086313A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1114835B (it) | 1986-01-27 |
| DE2635403A1 (de) | 1978-02-09 |
| FI772348A7 (fr) | 1978-02-07 |
| SE432256B (sv) | 1984-03-26 |
| SE7708899L (sv) | 1978-02-07 |
| BE857505A (fr) | 1977-12-01 |
| NL7708643A (nl) | 1978-02-08 |
| ES461417A1 (es) | 1978-05-16 |
| CA1086313A (fr) | 1980-09-23 |
| US4117223A (en) | 1978-09-26 |
| JPS5341356A (en) | 1978-04-14 |
| FI60219B (fi) | 1981-08-31 |
| GB1589328A (en) | 1981-05-13 |
| DE2635403B2 (de) | 1979-07-12 |
| JPS6050801B2 (ja) | 1985-11-11 |
| DD132129A5 (de) | 1978-08-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MA | Patent expired | ||
| MA | Patent expired |
Owner name: LOEDIGE, WILHELM Owner name: LUECKE, JOSEF Owner name: LOEDIGE, FRITZ |