BE431338A - - Google Patents

Info

Publication number

BE431338A

BE431338A BE431338DA BE431338A BE 431338 A BE431338 A BE 431338A BE 431338D A BE431338D A BE 431338DA BE 431338 A BE431338 A BE 431338A

Authority

BE

Belgium

Prior art keywords

parts

cellulose

acid

solutions

perchloric acid

Prior art date

Links

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• VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 42
• 229920002678 cellulose Polymers 0.000 claims description 27
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 26
• 238000000034 method Methods 0.000 claims description 17
• 230000007062 hydrolysis Effects 0.000 claims description 14
• 238000006460 hydrolysis reaction Methods 0.000 claims description 14
• 230000032050 esterification Effects 0.000 claims description 9
• 238000005886 esterification reaction Methods 0.000 claims description 9
• 238000004519 manufacturing process Methods 0.000 claims description 8
• 239000003054 catalyst Substances 0.000 claims description 6
• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 21
• 239000000243 solution Substances 0.000 description 16
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 10
• 239000001913 cellulose Substances 0.000 description 10
• 229920002301 cellulose acetate Polymers 0.000 description 10
• 229940081735 acetylcellulose Drugs 0.000 description 9
• YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
• 229960000583 acetic acid Drugs 0.000 description 5
• 239000012045 crude solution Substances 0.000 description 5
• 150000002148 esters Chemical class 0.000 description 5
• 239000012362 glacial acetic acid Substances 0.000 description 5
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
• 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 4
• 230000021736 acetylation Effects 0.000 description 4
• 238000006640 acetylation reaction Methods 0.000 description 4
• 239000002253 acid Substances 0.000 description 4
• 239000011541 reaction mixture Substances 0.000 description 4
• 229920000742 Cotton Polymers 0.000 description 3
• 238000006243 chemical reaction Methods 0.000 description 3
• 238000006386 neutralization reaction Methods 0.000 description 3
• 239000002699 waste material Substances 0.000 description 3
• FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
• 239000003795 chemical substances by application Substances 0.000 description 2
• 230000006378 damage Effects 0.000 description 2
• 239000000835 fiber Substances 0.000 description 2
• WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
• 229920002284 Cellulose triacetate Polymers 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 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 1
• 150000001242 acetic acid derivatives Chemical class 0.000 description 1
• 150000008064 anhydrides Chemical class 0.000 description 1
• 229920006217 cellulose acetate butyrate Polymers 0.000 description 1
• 239000007795 chemical reaction product 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
• 150000001875 compounds Chemical class 0.000 description 1
• 230000003247 decreasing effect Effects 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 230000004048 modification Effects 0.000 description 1
• 238000012986 modification Methods 0.000 description 1
• 230000003287 optical effect Effects 0.000 description 1
• 239000003960 organic solvent Substances 0.000 description 1
• VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
• 239000002994 raw material Substances 0.000 description 1
• 230000035484 reaction time Effects 0.000 description 1
• 239000005336 safety glass Substances 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 238000011282 treatment Methods 0.000 description 1
• 150000005691 triesters Chemical class 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1