GB1139150A - Improvements in or relating to the continuous esterification of cellulose - Google Patents
Improvements in or relating to the continuous esterification of celluloseInfo
- Publication number
- GB1139150A GB1139150A GB5644466A GB5644466A GB1139150A GB 1139150 A GB1139150 A GB 1139150A GB 5644466 A GB5644466 A GB 5644466A GB 5644466 A GB5644466 A GB 5644466A GB 1139150 A GB1139150 A GB 1139150A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diluent
- parts
- cellulose
- mixture
- dec
- 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.)
- Expired
Links
- 229920002678 cellulose Polymers 0.000 title abstract 5
- 239000001913 cellulose Substances 0.000 title abstract 3
- 230000032050 esterification Effects 0.000 title abstract 2
- 238000005886 esterification reaction Methods 0.000 title abstract 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 6
- 239000003085 diluting agent Substances 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 abstract 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 abstract 3
- 239000003054 catalyst Substances 0.000 abstract 2
- 150000008064 anhydrides Chemical class 0.000 abstract 1
- 230000000916 dilatatory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 abstract 1
- 150000002763 monocarboxylic acids Chemical class 0.000 abstract 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical class OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 abstract 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 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
- C08B17/00—Apparatus for esterification or etherification of cellulose
- C08B17/04—Apparatus for esterification or etherification of cellulose for making cellulose nitrate
-
- 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
- C08B17/02—Apparatus for esterification or etherification of cellulose for making organic esters of cellulose
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR44077A FR1469149A (fr) | 1965-12-28 | 1965-12-28 | Procédé pour l'estérification en continu de la cellulose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1139150A true GB1139150A (en) | 1969-01-08 |
Family
ID=8597115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5644466A Expired GB1139150A (en) | 1965-12-28 | 1966-12-16 | Improvements in or relating to the continuous esterification of cellulose |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE691823A (enrdf_load_stackoverflow) |
| DE (1) | DE1593476A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1469149A (enrdf_load_stackoverflow) |
| GB (1) | GB1139150A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2381790A1 (fr) * | 1977-02-25 | 1978-09-22 | Crown Zellerbach Corp | Procede pour la preparation d'esters d'acides organiques de cellulose |
| WO1994003497A1 (en) * | 1992-08-07 | 1994-02-17 | Eastman Chemical Company | Process for acetylation of cellulose |
-
1965
- 1965-12-28 FR FR44077A patent/FR1469149A/fr not_active Expired
-
1966
- 1966-12-16 GB GB5644466A patent/GB1139150A/en not_active Expired
- 1966-12-20 DE DE19661593476 patent/DE1593476A1/de active Pending
- 1966-12-27 BE BE691823D patent/BE691823A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE691823A (enrdf_load_stackoverflow) | 1967-06-27 |
| FR1469149A (fr) | 1967-02-10 |
| DE1593476A1 (de) | 1970-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ZA72574B (en) | Process for preparing acid esters of 4-piperidinol derivatives and their use as stabilizers | |
| GB1496411A (en) | Preparation of 2,5-dimethyl-3(2h)-furanone | |
| GB1139150A (en) | Improvements in or relating to the continuous esterification of cellulose | |
| GB1256920A (enrdf_load_stackoverflow) | ||
| GB1053574A (enrdf_load_stackoverflow) | ||
| GB951663A (en) | Process for the preparation of 6-deoxy-6-demethyl-6-methylene-5-oxytetracycline | |
| GB676232A (en) | Improvements in and relating to the production of cellulose esters | |
| CA596994A (en) | Arylazo derivatives of piperid-2-one-3-carboxylic acid esters and process for producing the same | |
| NL169884C (nl) | Werkwijze voor het bereiden van een cellulose-nitriet-, nitraat- en sulfaatester, alsmede voorwerpen uit geregenereerde cellulose. | |
| AU258723B2 (en) | A process forthe production of high molecular weight polycarboxylic acid esters and mixed esters | |
| SU1841126A1 (ru) | Метод получения 2,2,2-тринитроэтилэтансульфоната(этрина) | |
| AU6799160A (en) | A process forthe production of high molecular weight polycarboxylic acid esters and mixed esters | |
| FR1285456A (fr) | Nouveau procédé d'estérification, notamment procédé de préparation d'esters bishydroxyalkyliques de l'acide téréphtalique | |
| GB1094999A (en) | Improvements in and relating to the production of sulphonic acids | |
| GB878437A (en) | Alkanoyloxy-dimethyl- and alkanoyloxy-trimethyl-undecatetraenes, the manufacture thereof and their cyclisation | |
| FR1360135A (fr) | Procédé de préparation de l'ester nitrite de stéroïde | |
| GB973892A (en) | Process for the manufacture of d-homo-steroids and new d-homo-steroids | |
| GB918408A (en) | Esters of 21-hydroxy steroids and process for preparation | |
| GB736242A (en) | Steroids | |
| ES218984A1 (es) | Procedimiento para la purificacion de anhidrido acético preparado por absorcion de ceteno en acido acetico | |
| FR2018309A1 (en) | Anti-androgenic 11-beta, 17 alpha-dihydroxy-a-nor- - progesterone and its esters | |
| AU263225B2 (en) | Process forthe preparation of esters from dibasic acid anhydrides and organic sulphites | |
| AU253752B2 (en) | PROCESS FOR THE PRODUCTION OF N-SUBSTITUTED b -HYDROXYPROPHONYL AMIDES AND THEIR ESTERS WITH STRONG OXYGEN CONTAINING ACIDS | |
| CA596932A (en) | Carboxylic acid and ester derivatives of 8-alkylnortropanes and methods for their preparation | |
| GB593655A (en) | Process of preparing acylamino dianthrimide acridones |