BE429275A - - Google Patents
Info
- Publication number
- BE429275A BE429275A BE429275DA BE429275A BE 429275 A BE429275 A BE 429275A BE 429275D A BE429275D A BE 429275DA BE 429275 A BE429275 A BE 429275A
- Authority
- BE
- Belgium
- Prior art keywords
- ester
- alcohols
- sep
- ether
- treatment
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 claims description 61
- 230000006641 stabilisation Effects 0.000 claims description 58
- 238000011105 stabilization Methods 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 41
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 32
- 238000011282 treatment Methods 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 31
- 239000003054 catalyst Substances 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 26
- -1 fatty acid esters Chemical class 0.000 claims description 25
- 150000002148 esters Chemical class 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 21
- 238000005886 esterification reaction Methods 0.000 claims description 20
- 230000032050 esterification Effects 0.000 claims description 19
- 239000003381 stabilizer Substances 0.000 claims description 17
- 150000001298 alcohols Chemical class 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000003085 diluting agent Substances 0.000 claims description 13
- 230000003301 hydrolyzing effect Effects 0.000 claims description 11
- 125000002252 acyl group Chemical group 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000009931 harmful effect Effects 0.000 claims description 7
- 229920002301 cellulose acetate Polymers 0.000 claims description 6
- 230000008030 elimination Effects 0.000 claims description 6
- 238000003379 elimination reaction Methods 0.000 claims description 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 150000002170 ethers Chemical class 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000006227 byproduct Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 18
- 238000000926 separation method Methods 0.000 description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N methyl alcohol Substances OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 16
- 238000009835 boiling Methods 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- 238000005406 washing Methods 0.000 description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 11
- 239000001913 cellulose Substances 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 11
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 8
- 230000000087 stabilizing effect Effects 0.000 description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 7
- 235000019253 formic acid Nutrition 0.000 description 6
- 229960004592 isopropanol Drugs 0.000 description 6
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 238000007127 saponification reaction Methods 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000021736 acetylation Effects 0.000 description 3
- 238000006640 acetylation reaction Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229940035423 ethyl ether Drugs 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 2
- 229940011051 isopropyl acetate Drugs 0.000 description 2
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000005374 primary esters Chemical class 0.000 description 2
- 238000001256 steam distillation Methods 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical compound ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 description 2
- 150000005691 triesters Chemical class 0.000 description 2
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 1
- XXXFZKQPYACQLD-UHFFFAOYSA-N 2-(2-hydroxyethoxy)ethyl acetate Chemical compound CC(=O)OCCOCCO XXXFZKQPYACQLD-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical group COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 206010023126 Jaundice Diseases 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000004648 butanoic acid derivatives Chemical class 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000012374 esterification agent Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 235000014571 nuts Nutrition 0.000 description 1
- 150000002895 organic esters Chemical class 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229960004063 propylene glycol Drugs 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000002020 sage Nutrition 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004383 yellowing 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
- C08B3/22—Post-esterification treatments, including purification
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 |
|---|---|
| BE429275A true BE429275A (d) |
Family
ID=89492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE429275D BE429275A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE429275A (d) |
-
0
- BE BE429275D patent/BE429275A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0823917B1 (fr) | Procede de purification d'alcool polyvinylique | |
| CH418317A (fr) | Procédé de fabrication de fibres de cellulose partiellement acétylées | |
| BE429275A (d) | ||
| US2000603A (en) | Treatment of cellulosic material prior to esterification | |
| BE417811A (d) | ||
| BE417810A (d) | ||
| US1543310A (en) | Process for the preliminary treatment of cellulose prior to esterification | |
| US2051220A (en) | Treatment of cellulose to render it suitable for esterification | |
| US2261237A (en) | Manufacture of cellulose derivatives | |
| BE417932A (d) | ||
| US2127789A (en) | Process for the stabilization of cellulose esters | |
| BE549679A (d) | ||
| BE424392A (d) | ||
| BE370932A (d) | ||
| US2175103A (en) | Manufacture of cellulose esters | |
| BE508198A (d) | ||
| US1897869A (en) | Process for making cellulose nitro-acetate | |
| BE394006A (d) | ||
| BE352207A (d) | ||
| FR2541317A1 (fr) | Procede de preparation de fibres de polyester hydrophiles | |
| US1954312A (en) | Method of preparing cellulose acetate films | |
| CH192150A (fr) | Procédé pour la préparation d'acétate de cellulose fibreux. | |
| BE448323A (d) | ||
| BE394728A (d) | ||
| BE404978A (d) |