BE430699A - - Google Patents

Info

Publication number

BE430699A

BE430699A BE430699DA BE430699A BE 430699 A BE430699 A BE 430699A BE 430699D A BE430699D A BE 430699DA BE 430699 A BE430699 A BE 430699A

Authority

BE

Belgium

Prior art keywords

triacetate

cellulose

sep

ammonia

temperature

Prior art date

Links

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• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 43
• ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 claims description 17
• 229920002284 Cellulose triacetate Polymers 0.000 claims description 16
• 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 claims description 16
• 229910021529 ammonia Inorganic materials 0.000 claims description 10
• 238000000034 method Methods 0.000 claims description 10
• 229920002678 cellulose Polymers 0.000 claims description 7
• 239000001913 cellulose Substances 0.000 claims description 7
• 239000007787 solid Substances 0.000 claims description 6
• 229920001747 Cellulose diacetate Polymers 0.000 claims description 5
• 239000003377 acid catalyst Substances 0.000 claims description 5
• 239000012752 auxiliary agent Substances 0.000 claims description 4
• 238000004090 dissolution Methods 0.000 claims description 4
• 230000000087 stabilizing effect Effects 0.000 claims description 3
• 239000003795 chemical substances by application Substances 0.000 claims description 2
• 239000003054 catalyst Substances 0.000 claims 2
• 238000006386 neutralization reaction Methods 0.000 claims 2
• 238000002360 preparation method Methods 0.000 claims 2
• FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 claims 1
• 238000002845 discoloration Methods 0.000 claims 1
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 22
• UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
• BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 6
• 229910052921 ammonium sulfate Inorganic materials 0.000 description 6
• 235000011130 ammonium sulphate Nutrition 0.000 description 6
• VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 6
• HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
• XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
• 239000002253 acid Substances 0.000 description 3
• 150000001875 compounds Chemical class 0.000 description 3
• 239000012535 impurity Substances 0.000 description 3
• 238000000746 purification Methods 0.000 description 3
• 235000010344 sodium nitrate Nutrition 0.000 description 3
• 239000004317 sodium nitrate Substances 0.000 description 3
• 230000006641 stabilisation Effects 0.000 description 3
• 238000011105 stabilization Methods 0.000 description 3
• QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
• 150000003863 ammonium salts Chemical class 0.000 description 2
• 238000001704 evaporation Methods 0.000 description 2
• 230000008020 evaporation Effects 0.000 description 2
• 150000003839 salts Chemical class 0.000 description 2
• RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
• 150000001298 alcohols Chemical class 0.000 description 1
• 238000005915 ammonolysis reaction Methods 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• 229920002301 cellulose acetate Polymers 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 238000010960 commercial process Methods 0.000 description 1
• 238000011109 contamination Methods 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 238000010908 decantation 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
• -1 for example Chemical class 0.000 description 1
• 230000007062 hydrolysis Effects 0.000 description 1
• 238000006460 hydrolysis reaction Methods 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 229910052751 metal Inorganic materials 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 229910001960 metal nitrate Inorganic materials 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 238000012986 modification Methods 0.000 description 1
• 230000004048 modification Effects 0.000 description 1
• 230000007935 neutral effect Effects 0.000 description 1
• 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
• 235000011007 phosphoric acid Nutrition 0.000 description 1
• 150000003016 phosphoric acids Chemical class 0.000 description 1
• 230000000717 retained effect Effects 0.000 description 1
• 229920006395 saturated elastomer Polymers 0.000 description 1
• 238000000926 separation method Methods 0.000 description 1
• 239000002904 solvent Substances 0.000 description 1
• 229940124530 sulfonamide Drugs 0.000 description 1
• 150000003456 sulfonamides Chemical class 0.000 description 1
• 238000005406 washing Methods 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1