SU374327A1 - - Google Patents
Info
- Publication number
- SU374327A1 SU374327A1 SU1249221A SU1249221A SU374327A1 SU 374327 A1 SU374327 A1 SU 374327A1 SU 1249221 A SU1249221 A SU 1249221A SU 1249221 A SU1249221 A SU 1249221A SU 374327 A1 SU374327 A1 SU 374327A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- weight
- cellulose
- reaction mass
- acid
- chloride
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 claims description 18
- 239000004094 surface-active agent Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 5
- 235000019270 ammonium chloride Nutrition 0.000 claims description 5
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 36
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 229960000583 acetic acid Drugs 0.000 description 13
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 11
- 229940081735 acetylcellulose Drugs 0.000 description 9
- 239000001913 cellulose Substances 0.000 description 9
- 229920002301 cellulose acetate Polymers 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- SMEGJBVQLJJKKX-HOTMZDKISA-N [(2R,3S,4S,5R,6R)-5-acetyloxy-3,4,6-trihydroxyoxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)OC(=O)C)O)O SMEGJBVQLJJKKX-HOTMZDKISA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 4
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 235000006408 oxalic acid Nutrition 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000006188 syrup Substances 0.000 description 4
- 235000020357 syrup Nutrition 0.000 description 4
- 125000005210 alkyl ammonium group Chemical group 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- XKXHCNPAFAXVRZ-UHFFFAOYSA-N benzylazanium;chloride Chemical compound [Cl-].[NH3+]CC1=CC=CC=C1 XKXHCNPAFAXVRZ-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000012362 glacial acetic acid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- -1 Polyoxypropylene Polymers 0.000 description 2
- 230000000397 acetylating effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- KLUDQUOLAFVLOL-UHFFFAOYSA-N acetyl propanoate Chemical compound CCC(=O)OC(C)=O KLUDQUOLAFVLOL-UHFFFAOYSA-N 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 230000010933 acylation Effects 0.000 description 1
- 238000005917 acylation reaction Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
- 229940005991 chloric acid Drugs 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920001983 poloxamer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1249221A SU374327A2 (enrdf_load_stackoverflow) | 1968-06-20 | 1968-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1249221A SU374327A2 (enrdf_load_stackoverflow) | 1968-06-20 | 1968-06-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SU374327A1 true SU374327A1 (enrdf_load_stackoverflow) | |
| SU374327A2 SU374327A2 (enrdf_load_stackoverflow) | 1973-03-20 |
Family
ID=20442731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1249221A SU374327A2 (enrdf_load_stackoverflow) | 1968-06-20 | 1968-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU374327A2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501888A (en) * | 1984-01-24 | 1985-02-26 | A. E. Staley Manufacturing Company | Process for producing esters of carbohydrate materials |
-
1968
- 1968-06-20 SU SU1249221A patent/SU374327A2/ru active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5629416A (en) | Method of preparing crosslinked starch esters | |
| SU374327A1 (enrdf_load_stackoverflow) | ||
| US2412213A (en) | Method of producing starch esters | |
| JPH06157601A (ja) | セルロース脂肪酸エステル及びその製造方法 | |
| JP3046441B2 (ja) | 酢酸セルロースの製造方法 | |
| US2753337A (en) | Process for preparing sulfuric acid esters of cellulose | |
| JP2000511588A (ja) | セルロースアセテートの製造方法 | |
| US2353423A (en) | Process of preparing mixed cellulose esters | |
| JPH0358881B2 (enrdf_load_stackoverflow) | ||
| FR3045054A1 (fr) | Procede de preparation de compositions comprenant des alkyl guloside uronates d'alkyle | |
| RU2101293C1 (ru) | Способ получения сложного эфира целлюлозы | |
| SU187757A1 (ru) | Способ получения ацетосорбата целлюлозы | |
| US2039290A (en) | Production of highly acetylated cellulose acetates | |
| US4480090A (en) | Process for esterification of cellulose using as the catalyst the combination of sulfuric acid, phosphoric acid and a hindered aliphatic alcohol | |
| CN1034218C (zh) | 纤维素醋酸酯的制备方法 | |
| US2022446A (en) | Process of preparing organic cellulose esters | |
| SU213794A1 (ru) | Спосов получения низкозамещенной ацетилцеллюлозы | |
| SU188949A1 (ru) | Модифицированного сорбиновой кислотой | |
| JP2000509090A (ja) | セルロースアセトアセテートアルカノエートの製造方法 | |
| US2098336A (en) | Manufacture of cellulose derivatives and products obtained therefrom | |
| SU362029A1 (enrdf_load_stackoverflow) | ||
| US1897869A (en) | Process for making cellulose nitro-acetate | |
| US2632006A (en) | Rapid basic-catalyzed esterification of cellulose | |
| BE469959A (enrdf_load_stackoverflow) | ||
| US1952843A (en) | Manufacture and treatment of cellulose esters |