BE352201A - - Google Patents
Info
- Publication number
- BE352201A BE352201A BE352201DA BE352201A BE 352201 A BE352201 A BE 352201A BE 352201D A BE352201D A BE 352201DA BE 352201 A BE352201 A BE 352201A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulose
- acid
- acetic
- catalyst
- anhydride
- Prior art date
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 10
- 239000003054 catalyst Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229920002301 cellulose acetate Polymers 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 229920003086 cellulose ether Polymers 0.000 claims 1
- 238000006266 etherification reaction Methods 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 14
- 229920002678 cellulose Polymers 0.000 description 12
- 239000001913 cellulose Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- PNVPNXKRAUBJGW-UHFFFAOYSA-N (2-chloroacetyl) 2-chloroacetate Chemical compound ClCC(=O)OC(=O)CCl PNVPNXKRAUBJGW-UHFFFAOYSA-N 0.000 description 1
- 229920002160 Celluloid Polymers 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 150000004075 acetic anhydrides Chemical class 0.000 description 1
- 230000000397 acetylating effect Effects 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000005406 washing Methods 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
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/02—Catalysts used for the esterification
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE352201A true BE352201A (d) |
Family
ID=27000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE352201D BE352201A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE352201A (d) |
-
0
- BE BE352201D patent/BE352201A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE352201A (d) | ||
| US1996754A (en) | Improving the color of cellulose derivatives | |
| US2400494A (en) | Manufacture of higher fatty acid esters of cellulose | |
| US2140346A (en) | Process of stabilizing carbohydrate derivatives | |
| US2339631A (en) | Precipitation of a cellulose ester having a high propionyl or butyryl content from its reaction mixture | |
| US2048685A (en) | Process of making cellulose esters and the products resulting therefrom | |
| GB337366A (en) | Process for the manufacture of cellulose fatty acid esters | |
| US2265528A (en) | Cellulose esters | |
| US1936976A (en) | Cellulose ester | |
| US2175103A (en) | Manufacture of cellulose esters | |
| US2022856A (en) | Method of producing cellulose acetate | |
| US1839912A (en) | Process for the esterification of cellulose | |
| BE394006A (d) | ||
| US2010829A (en) | Production of mixed organic esters of cellulose | |
| BE363154A (d) | ||
| BE352197A (d) | ||
| BE374858A (d) | ||
| US1826335A (en) | Process for the hydrolysis of cellulose acetate | |
| US2512983A (en) | Mixed cellulose esters and process of making same | |
| US1836689A (en) | Process for esterification of cellulose and products resulting therefrom | |
| BE354546A (d) | ||
| BE370932A (d) | ||
| US2331964A (en) | Manufacture of cellulose esters | |
| US2106811A (en) | Preparation of acetone-soluble cellulose acetate | |
| US1265216A (en) | Acetyl cellulose and process of making the same. |