BE394728A - - Google Patents

Info

Publication number

BE394728A

BE394728A BE394728DA BE394728A BE 394728 A BE394728 A BE 394728A BE 394728D A BE394728D A BE 394728DA BE 394728 A BE394728 A BE 394728A

Authority

BE

Belgium

Prior art keywords

esterification

acid

cellulose

reaction

carried out

Prior art date

Links

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• 230000032050 esterification Effects 0.000 claims description 18
• 238000005886 esterification reaction Methods 0.000 claims description 18
• 238000000034 method Methods 0.000 claims description 13
• 150000002148 esters Chemical class 0.000 claims description 6
• 238000004519 manufacturing process Methods 0.000 claims description 5
• 238000004090 dissolution Methods 0.000 claims description 4
• 150000001242 acetic acid derivatives Chemical class 0.000 claims 1
• 230000004048 modification Effects 0.000 claims 1
• 238000012986 modification Methods 0.000 claims 1
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
• 229920002678 cellulose Polymers 0.000 description 13
• 238000006243 chemical reaction Methods 0.000 description 10
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 9
• 239000001913 cellulose Substances 0.000 description 9
• 239000000243 solution Substances 0.000 description 8
• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
• YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
• 239000000203 mixture Substances 0.000 description 6
• VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 6
• 230000021736 acetylation Effects 0.000 description 5
• 238000006640 acetylation reaction Methods 0.000 description 5
• 239000002253 acid Substances 0.000 description 5
• 239000003054 catalyst Substances 0.000 description 4
• 239000003795 chemical substances by application Substances 0.000 description 4
• 239000007788 liquid Substances 0.000 description 3
• QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
• PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
• 239000003085 diluting agent Substances 0.000 description 2
• 238000010790 dilution Methods 0.000 description 2
• 239000012895 dilution Substances 0.000 description 2
• BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
• 150000003839 salts Chemical class 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• 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 1
• 229920002955 Art silk Polymers 0.000 description 1
• 229920002284 Cellulose triacetate Polymers 0.000 description 1
• 229920000742 Cotton Polymers 0.000 description 1
• YYLLIJHXUHJATK-UHFFFAOYSA-N Cyclohexyl acetate Chemical compound CC(=O)OC1CCCCC1 YYLLIJHXUHJATK-UHFFFAOYSA-N 0.000 description 1
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
• 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 group 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 1
• 239000003377 acid catalyst Substances 0.000 description 1
• 150000007513 acids Chemical class 0.000 description 1
• 235000015107 ale Nutrition 0.000 description 1
• 239000003513 alkali Substances 0.000 description 1
• 150000008064 anhydrides Chemical class 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
• 150000001875 compounds Chemical class 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 238000007865 diluting Methods 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 235000019253 formic acid Nutrition 0.000 description 1
• 235000011187 glycerol Nutrition 0.000 description 1
• 238000006386 neutralization reaction Methods 0.000 description 1
• 230000003472 neutralizing effect Effects 0.000 description 1
• 229910017604 nitric acid Inorganic materials 0.000 description 1
• IPBVNPXQWQGGJP-UHFFFAOYSA-N phenyl acetate Chemical compound CC(=O)OC1=CC=CC=C1 IPBVNPXQWQGGJP-UHFFFAOYSA-N 0.000 description 1
• 238000001556 precipitation Methods 0.000 description 1
• 150000005374 primary esters Chemical class 0.000 description 1
• 239000011541 reaction mixture Substances 0.000 description 1
• 230000035484 reaction time Effects 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 239000007921 spray Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 210000002268 wool Anatomy 0.000 description 1