BE634258A - - Google Patents

Info

Publication number

BE634258A

BE634258A BE634258DA BE634258A BE 634258 A BE634258 A BE 634258A BE 634258D A BE634258D A BE 634258DA BE 634258 A BE634258 A BE 634258A

Authority

BE

Belgium

Prior art keywords

cellulose

solution

triaoetate

cellulose triacetate

mixture

Prior art date

Links

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• YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 39
• 229920002284 Cellulose triacetate Polymers 0.000 claims description 18
• 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 18
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
• 238000009987 spinning Methods 0.000 claims description 14
• 238000010438 heat treatment Methods 0.000 claims description 10
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
• 229920002678 cellulose Polymers 0.000 claims description 9
• 239000001913 cellulose Substances 0.000 claims description 9
• 239000000203 mixture Substances 0.000 claims description 9
• 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims description 6
• 238000000034 method 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
• 125000004432 carbon atom Chemical group C* 0.000 claims description 5
• 229920002301 cellulose acetate Polymers 0.000 claims description 4
• 238000002360 preparation method Methods 0.000 claims description 4
• 238000003756 stirring Methods 0.000 claims description 3
• 239000000463 material Substances 0.000 claims description 2
• 239000007787 solid Substances 0.000 claims description 2
• 239000002904 solvent Substances 0.000 description 6
• 238000001914 filtration Methods 0.000 description 4
• OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
• 230000007423 decrease Effects 0.000 description 2
• 238000004090 dissolution Methods 0.000 description 2
• 238000001704 evaporation Methods 0.000 description 2
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
• 238000013019 agitation Methods 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• 150000001735 carboxylic acids Chemical class 0.000 description 1
• 230000015556 catabolic process Effects 0.000 description 1
• 238000006731 degradation reaction Methods 0.000 description 1
• 150000002148 esters Chemical class 0.000 description 1
• 230000008020 evaporation Effects 0.000 description 1
• 238000001125 extrusion Methods 0.000 description 1
• 230000001788 irregular Effects 0.000 description 1
• 239000007791 liquid phase Substances 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000002245 particle Substances 0.000 description 1
• 239000011877 solvent mixture Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 238000011282 treatment Methods 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
• 239000012905 visible particle Substances 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1