DE1593476A1 - Verfahren zur kontinuierlichen Veresterung von Cellulose - Google Patents
Verfahren zur kontinuierlichen Veresterung von CelluloseInfo
- Publication number
- DE1593476A1 DE1593476A1 DE19661593476 DE1593476A DE1593476A1 DE 1593476 A1 DE1593476 A1 DE 1593476A1 DE 19661593476 DE19661593476 DE 19661593476 DE 1593476 A DE1593476 A DE 1593476A DE 1593476 A1 DE1593476 A1 DE 1593476A1
- Authority
- DE
- Germany
- Prior art keywords
- weight
- cellulose
- parts
- acid
- acetic acid
- 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.)
- Pending
Links
- 229920002678 cellulose Polymers 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 17
- 239000001913 cellulose Substances 0.000 title claims description 15
- 230000032050 esterification Effects 0.000 title claims description 13
- 238000005886 esterification reaction Methods 0.000 title claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 46
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 12
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 150000008064 anhydrides Chemical class 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 claims 1
- 229960000583 acetic acid Drugs 0.000 description 13
- 150000002148 esters Chemical class 0.000 description 7
- 229920002284 Cellulose triacetate Polymers 0.000 description 5
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000012362 glacial acetic acid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000021736 acetylation Effects 0.000 description 2
- 238000006640 acetylation reaction Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 etc. Polymers 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 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
- 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 |
|---|---|
| DE1593476A1 true DE1593476A1 (de) | 1970-07-23 |
Family
ID=8597115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661593476 Pending DE1593476A1 (de) | 1965-12-28 | 1966-12-20 | Verfahren zur kontinuierlichen Veresterung von 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994003497A1 (en) * | 1992-08-07 | 1994-02-17 | Eastman Chemical Company | Process for acetylation of cellulose |
Families Citing this family (1)
| 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 |
-
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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994003497A1 (en) * | 1992-08-07 | 1994-02-17 | Eastman Chemical Company | Process for acetylation of cellulose |
Also Published As
| Publication number | Publication date |
|---|---|
| BE691823A (enrdf_load_stackoverflow) | 1967-06-27 |
| GB1139150A (en) | 1969-01-08 |
| FR1469149A (fr) | 1967-02-10 |
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