BE634347A - - Google Patents

Info

Publication number

BE634347A

BE634347A BE634347DA BE634347A BE 634347 A BE634347 A BE 634347A BE 634347D A BE634347D A BE 634347DA BE 634347 A BE634347 A BE 634347A

Authority

BE

Belgium

Prior art keywords

cellulose

solution

methylene chloride

temperature

solutions

Prior art date

Links

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• YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 36
• 229920002678 cellulose Polymers 0.000 claims description 25
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
• 239000001913 cellulose Substances 0.000 claims description 11
• 150000002148 esters Chemical class 0.000 claims description 10
• OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
• 238000000034 method Methods 0.000 claims description 9
• 239000002904 solvent Substances 0.000 claims description 9
• 239000000203 mixture Substances 0.000 claims description 7
• 229920002284 Cellulose triacetate Polymers 0.000 claims description 6
• 238000006467 substitution reaction Methods 0.000 claims description 6
• DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 5
• 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 5
• 125000004432 carbon atom Chemical group C* 0.000 claims description 5
• 239000007791 liquid phase Substances 0.000 claims description 5
• 238000010438 heat treatment Methods 0.000 claims description 4
• 150000001735 carboxylic acids Chemical class 0.000 claims description 3
• 150000007524 organic acids Chemical class 0.000 claims description 2
• 235000005985 organic acids Nutrition 0.000 claims description 2
• 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
• 238000002360 preparation method Methods 0.000 description 5
• 238000009987 spinning Methods 0.000 description 5
• 238000004090 dissolution Methods 0.000 description 3
• DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 description 2
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
• KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
• LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
• 229920002301 cellulose acetate Polymers 0.000 description 2
• 229920006218 cellulose propionate Polymers 0.000 description 2
• 238000001914 filtration Methods 0.000 description 2
• 238000002156 mixing Methods 0.000 description 2
• 239000011877 solvent mixture Substances 0.000 description 2
• 238000003756 stirring Methods 0.000 description 2
• FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 1
• FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 1
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
• UGZICOVULPINFH-UHFFFAOYSA-N acetic acid;butanoic acid Chemical compound CC(O)=O.CCCC(O)=O UGZICOVULPINFH-UHFFFAOYSA-N 0.000 description 1
• ZMZINYUKVRMNTG-UHFFFAOYSA-N acetic acid;formic acid Chemical compound OC=O.CC(O)=O ZMZINYUKVRMNTG-UHFFFAOYSA-N 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
• 125000004429 atom Chemical group 0.000 description 1
• WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical group OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• 229920001727 cellulose butyrate Polymers 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 235000014113 dietary fatty acids Nutrition 0.000 description 1
• 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
• 229930195729 fatty acid Natural products 0.000 description 1
• 239000000194 fatty acid Substances 0.000 description 1
• 150000004665 fatty acids Chemical class 0.000 description 1
• 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 210000004185 liver Anatomy 0.000 description 1
• 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
• BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
• ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1