JPS54161688A - Preparation of cellulose acetate having reduced devitrification with hot water - Google Patents
Preparation of cellulose acetate having reduced devitrification with hot waterInfo
- Publication number
- JPS54161688A JPS54161688A JP7027878A JP7027878A JPS54161688A JP S54161688 A JPS54161688 A JP S54161688A JP 7027878 A JP7027878 A JP 7027878A JP 7027878 A JP7027878 A JP 7027878A JP S54161688 A JPS54161688 A JP S54161688A
- Authority
- JP
- Japan
- Prior art keywords
- acetic acid
- hot water
- reaction
- cellulose acetate
- cellulose
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 3
- 229920002301 cellulose acetate Polymers 0.000 title abstract 2
- 238000004031 devitrification Methods 0.000 title abstract 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 9
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 abstract 3
- 238000006640 acetylation reaction Methods 0.000 abstract 2
- 229920002678 cellulose Polymers 0.000 abstract 2
- 239000001913 cellulose Substances 0.000 abstract 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 abstract 1
- 230000021736 acetylation Effects 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007809 chemical reaction catalyst Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 230000005070 ripening Effects 0.000 abstract 1
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
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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7027878A JPS54161688A (en) | 1978-06-09 | 1978-06-09 | Preparation of cellulose acetate having reduced devitrification with hot water |
| US06/047,469 US4269972A (en) | 1978-06-09 | 1979-06-11 | Process for producing cellulose diacetate having improved resistance to delustering phenomenon in hot water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7027878A JPS54161688A (en) | 1978-06-09 | 1978-06-09 | Preparation of cellulose acetate having reduced devitrification with hot water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54161688A true JPS54161688A (en) | 1979-12-21 |
| JPS6121961B2 JPS6121961B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-05-29 |
Family
ID=13426866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7027878A Granted JPS54161688A (en) | 1978-06-09 | 1978-06-09 | Preparation of cellulose acetate having reduced devitrification with hot water |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4269972A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| JP (1) | JPS54161688A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4306060A (en) * | 1980-12-15 | 1981-12-15 | Daicel Chemical Industries, Ltd. | Process for preparation of cellulose acetate |
| JPS6017441B2 (ja) * | 1981-07-10 | 1985-05-02 | ダイセル化学工業株式会社 | 新規なセルロ−スアセテ−トの製造方法 |
| 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 |
| US5142034A (en) * | 1990-04-16 | 1992-08-25 | Eastman Kodak Company | Cellulose ester compositions and process for the preparation thereof |
| US5214137A (en) * | 1991-02-08 | 1993-05-25 | Eastman Kodak Company | Preparation of cellulose diacetate by recycling processed film |
| CA2089117A1 (en) * | 1993-02-09 | 1994-08-10 | J. Ming Zhuang | Method of improving the acetylation of cellulose |
| WO1996030412A1 (fr) * | 1995-03-31 | 1996-10-03 | Daicel Chemical Industries, Ltd. | Acetate de cellulose hautement resistant et procede de preparation associe |
| CN1078594C (zh) * | 1995-03-31 | 2002-01-30 | 大赛璐化学工业株式会社 | 成型性高的乙酸纤维素及其制备方法 |
| JP3942669B2 (ja) * | 1995-03-31 | 2007-07-11 | ダイセル化学工業株式会社 | 物理強度に優れたセルロースアセテート、及びその製造法 |
| BR9904569B1 (pt) * | 1999-07-20 | 2009-01-13 | processo de remoÇço de impurezas de soluÇÕes contendo derivados acÉticos, provenientes da fabricaÇço de acetato de celulose, utilizando tensoativos em uma nanofiltraÇço com membranas. | |
| CN110092842A (zh) * | 2019-04-18 | 2019-08-06 | 中峰化学有限公司 | 醋酸纤维素堵塞值指标控制方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2095326A (en) * | 1934-09-29 | 1937-10-12 | Celanese Corp | Organic esters of cellulose and method of making same |
| US2432153A (en) * | 1944-08-12 | 1947-12-09 | Celanese Corp | Process for ripening cellulose esters |
| US2432341A (en) * | 1946-07-02 | 1947-12-09 | Celanese Corp | Cellulose esters |
| US2523384A (en) * | 1946-07-17 | 1950-09-26 | Celanese Corp | Ripening process |
| GB638316A (en) * | 1946-09-13 | 1950-06-07 | British Celanese | Improvements in the production of organic esters of cellulose |
| US2607771A (en) * | 1949-08-31 | 1952-08-19 | British Celanese | Production of cellulose esters |
| US2775584A (en) * | 1951-11-16 | 1956-12-25 | Celanese Corp | Preparation of organic acid esters of cellulose having an improved resistance to delustering |
| US2772266A (en) * | 1952-08-30 | 1956-11-27 | Eastman Kodak Co | Method of preparing cellulose acetate |
| US3505313A (en) * | 1967-04-17 | 1970-04-07 | Teijin Ltd | Process for producing bleached and purified cellulose acetate |
| 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 |
| US3595854A (en) * | 1967-11-28 | 1971-07-27 | Teijin Ltd | Acetate filaments of improved resistance to hydrothermal delustering and the process for preparation thereof |
| BE785656A (fr) * | 1971-06-30 | 1973-01-02 | Celanese Corp | Procede d'hydrolyse de la cellulose esterifiee a temperature elevee |
-
1978
- 1978-06-09 JP JP7027878A patent/JPS54161688A/ja active Granted
-
1979
- 1979-06-11 US US06/047,469 patent/US4269972A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4269972A (en) | 1981-05-26 |
| JPS6121961B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-05-29 |
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