BE394006A - - Google Patents

Info

Publication number

BE394006A

BE394006A BE394006DA BE394006A BE 394006 A BE394006 A BE 394006A BE 394006D A BE394006D A BE 394006DA BE 394006 A BE394006 A BE 394006A

Authority

BE

Belgium

Prior art keywords

parts

cellulose

acid

esterification

mixture

Prior art date

Links

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• 229920002678 cellulose Polymers 0.000 claims description 21
• 239000001913 cellulose Substances 0.000 claims description 18
• 230000032050 esterification Effects 0.000 claims description 18
• 238000005886 esterification reaction Methods 0.000 claims description 18
• 239000003054 catalyst Substances 0.000 claims description 14
• 238000000034 method Methods 0.000 claims description 5
• 125000001931 aliphatic group Chemical group 0.000 claims description 4
• 150000007522 mineralic acids Chemical class 0.000 claims description 3
• 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 claims description 3
• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 27
• YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 22
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 21
• 239000000047 product Substances 0.000 description 20
• 239000000203 mixture Substances 0.000 description 19
• 229960000583 acetic acid Drugs 0.000 description 9
• UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 8
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 6
• 239000012362 glacial acetic acid Substances 0.000 description 6
• 229920000742 Cotton Polymers 0.000 description 5
• 239000002253 acid Substances 0.000 description 5
• 150000002148 esters Chemical class 0.000 description 5
• HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
• OPUAWDUYWRUIIL-UHFFFAOYSA-N methanedisulfonic acid Chemical compound OS(=O)(=O)CS(O)(=O)=O OPUAWDUYWRUIIL-UHFFFAOYSA-N 0.000 description 4
• QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 3
• 230000021736 acetylation Effects 0.000 description 3
• 238000006640 acetylation reaction Methods 0.000 description 3
• 238000006243 chemical reaction Methods 0.000 description 3
• 238000004519 manufacturing process Methods 0.000 description 3
• 229920002284 Cellulose triacetate Polymers 0.000 description 2
• 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 2
• 239000007795 chemical reaction product Substances 0.000 description 2
• 239000003795 chemical substances by application Substances 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 239000007788 liquid Substances 0.000 description 2
• 238000002156 mixing Methods 0.000 description 2
• 238000007127 saponification reaction Methods 0.000 description 2
• 238000002791 soaking Methods 0.000 description 2
• 238000003756 stirring Methods 0.000 description 2
• VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
• 230000009466 transformation Effects 0.000 description 2
• 238000005406 washing Methods 0.000 description 2
• RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 1
• FREZLSIGWNCSOQ-UHFFFAOYSA-N 3-methylbutanoyl 3-methylbutanoate Chemical compound CC(C)CC(=O)OC(=O)CC(C)C FREZLSIGWNCSOQ-UHFFFAOYSA-N 0.000 description 1
• 229920002955 Art silk Polymers 0.000 description 1
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
• 239000004215 Carbon black (E152) Substances 0.000 description 1
• NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
• 235000009108 Urtica dioica Nutrition 0.000 description 1
• 241000218215 Urticaceae Species 0.000 description 1
• 238000009825 accumulation Methods 0.000 description 1
• 230000000397 acetylating effect Effects 0.000 description 1
• XJGVPFJUPXNRTG-UHFFFAOYSA-N bromosulfonylmethanesulfonic acid Chemical compound S(=O)(=O)(CS(=O)(=O)O)Br XJGVPFJUPXNRTG-UHFFFAOYSA-N 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• 230000003197 catalytic effect Effects 0.000 description 1
• FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
• 230000000052 comparative effect Effects 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 230000006835 compression Effects 0.000 description 1
• 238000007906 compression Methods 0.000 description 1
• 230000001627 detrimental effect Effects 0.000 description 1
• 238000004090 dissolution Methods 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 125000005843 halogen group Chemical group 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 229930195733 hydrocarbon Natural products 0.000 description 1
• 150000002430 hydrocarbons Chemical class 0.000 description 1
• -1 methylene acetate Chemical compound 0.000 description 1
• 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
• 150000007519 polyprotic acids Polymers 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 230000000717 retained effect Effects 0.000 description 1
• 229920006395 saturated elastomer Polymers 0.000 description 1
• BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 1
• 229910001488 sodium perchlorate Inorganic materials 0.000 description 1
• 239000012265 solid product Substances 0.000 description 1
• 239000002904 solvent Substances 0.000 description 1
• 239000007858 starting material Substances 0.000 description 1
• 229910052717 sulfur Inorganic materials 0.000 description 1
• 239000011593 sulfur Substances 0.000 description 1
• 230000008961 swelling Effects 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
• 238000004383 yellowing Methods 0.000 description 1