BE785656A - Procede d'hydrolyse de la cellulose esterifiee a temperature elevee - Google Patents
Procede d'hydrolyse de la cellulose esterifiee a temperature eleveeInfo
- Publication number
- BE785656A BE785656A BE785656DA BE785656A BE 785656 A BE785656 A BE 785656A BE 785656D A BE785656D A BE 785656DA BE 785656 A BE785656 A BE 785656A
- Authority
- BE
- Belgium
- Prior art keywords
- high temperature
- hydrolysis process
- esterified cellulose
- esterified
- cellulose
- 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
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/22—Post-esterification treatments, including purification
- C08B3/24—Hydrolysis or ripening
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 |
---|---|---|---|
US15860871A | 1971-06-30 | 1971-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE785656A true BE785656A (fr) | 1973-01-02 |
Family
ID=22568924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE785656D BE785656A (fr) | 1971-06-30 | Procede d'hydrolyse de la cellulose esterifiee a temperature elevee |
Country Status (5)
Country | Link |
---|---|
US (1) | US3767642A (ja) |
JP (1) | JPS5820961B1 (ja) |
BE (1) | BE785656A (ja) |
BR (1) | BR7204335D0 (ja) |
CA (1) | CA964262A (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54161688A (en) * | 1978-06-09 | 1979-12-21 | Daicel Chem Ind Ltd | Preparation of cellulose acetate having reduced devitrification with hot water |
US4306060A (en) * | 1980-12-15 | 1981-12-15 | Daicel Chemical Industries, Ltd. | Process for preparation of cellulose acetate |
JPS6017442B2 (ja) * | 1981-11-30 | 1985-05-02 | ダイセル化学工業株式会社 | 新規な酢酸セルロ−スの製造方法 |
US5214137A (en) * | 1991-02-08 | 1993-05-25 | Eastman Kodak Company | Preparation of cellulose diacetate by recycling processed film |
MY106937A (en) * | 1992-01-13 | 1995-08-30 | Eastman Chem Co | Continuous hydrolysis of cellulose acetate |
JP3046441B2 (ja) * | 1992-02-28 | 2000-05-29 | ダイセル化学工業株式会社 | 酢酸セルロースの製造方法 |
EP0590401B1 (en) * | 1992-09-24 | 1999-12-15 | Daicel Chemical Industries, Ltd. | Process for the preparation of a fatty acid ester of cellulose |
CA2089117A1 (en) * | 1993-02-09 | 1994-08-10 | J. Ming Zhuang | Method of improving the acetylation of cellulose |
US5608050A (en) * | 1995-12-18 | 1997-03-04 | Eastman Chemical Company | Process for the manufacture of cellulose acetate |
US20060004192A1 (en) * | 2004-07-02 | 2006-01-05 | Fuji Photo Film Co., Ltd. | Method of preparing a cellulose acylate, cellulose acylate film, polarizing plate, and liquid crystal display device |
US20080071078A1 (en) * | 2006-09-19 | 2008-03-20 | Kizer Lawton E | Method of making cellulose ester polymer and pre-treating cellulose for the manufacture of cellulose ester polymer |
JPWO2011111484A1 (ja) * | 2010-03-09 | 2013-06-27 | コニカミノルタ株式会社 | セルロースエステルの製造方法、セルロースエステル、及びセルロースエステルフィルム |
CN102180976B (zh) * | 2011-04-07 | 2012-08-29 | 泸州北方化学工业有限公司 | 醋酸纤维素酯的生产方法 |
EP2975063A4 (en) | 2013-03-13 | 2016-08-17 | Daicel Corp | LOW SUBSTITUTED ACETOCELLULOSE |
WO2015093067A1 (ja) | 2013-12-20 | 2015-06-25 | 株式会社ダイセル | 脂質代謝改善作用を有する栄養組成物 |
WO2016009461A1 (ja) | 2014-07-14 | 2016-01-21 | 株式会社ダイセル | 酢酸セルロース製造用のパルプの解砕方法及び酢酸セルロースの製造方法 |
JP2018058941A (ja) | 2016-10-03 | 2018-04-12 | 株式会社ダイセル | セルロースアセテートおよびセルロースアセテートの製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB620726A (en) * | 1945-12-06 | 1949-03-29 | British Celanese | Improvements in the manufacture of organic acid esters of cellulose |
US2854446A (en) * | 1952-10-29 | 1958-09-30 | Rhodiaceta | Process for the continuous production of cellulose esters |
US3485816A (en) * | 1967-05-01 | 1969-12-23 | Eastman Kodak Co | Method for hydrolyzing cellulose triesters without viscosity loss and for manufacturing toluene soluble cellulose butyrate |
-
0
- BE BE785656D patent/BE785656A/xx unknown
-
1971
- 1971-06-30 US US00158608A patent/US3767642A/en not_active Expired - Lifetime
-
1972
- 1972-06-28 JP JP47064178A patent/JPS5820961B1/ja active Pending
- 1972-06-29 CA CA146,066A patent/CA964262A/en not_active Expired
- 1972-06-30 BR BR4335/72A patent/BR7204335D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
CA964262A (en) | 1975-03-11 |
US3767642A (en) | 1973-10-23 |
JPS5820961B1 (ja) | 1983-04-26 |
BR7204335D0 (pt) | 1973-05-31 |
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