BE445789A - - Google Patents

Info

Publication number

BE445789A

BE445789A BE445789DA BE445789A BE 445789 A BE445789 A BE 445789A BE 445789D A BE445789D A BE 445789DA BE 445789 A BE445789 A BE 445789A

Authority

BE

Belgium

Prior art keywords

acid

cellulose

solution

acetic acid

content

Prior art date

Links

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• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 39
• BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 18
• 239000002253 acid Substances 0.000 claims description 13
• 229920002301 cellulose acetate Polymers 0.000 claims description 11
• OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 9
• 235000019253 formic acid Nutrition 0.000 claims description 9
• 238000000034 method Methods 0.000 claims description 4
• 238000002360 preparation method Methods 0.000 claims description 3
• 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
• 239000011707 mineral Substances 0.000 claims description 2
• 238000000926 separation method Methods 0.000 claims description 2
• 229920002678 cellulose Polymers 0.000 description 18
• 239000000243 solution Substances 0.000 description 10
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
• 239000001913 cellulose Substances 0.000 description 5
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
• XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
• OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
• 150000002148 esters Chemical class 0.000 description 3
• HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
• 238000001035 drying Methods 0.000 description 2
• VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
• 239000011541 reaction mixture Substances 0.000 description 2
• 238000007127 saponification reaction Methods 0.000 description 2
• 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
• 150000007513 acids Chemical class 0.000 description 1
• 239000007864 aqueous solution Substances 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 239000000839 emulsion Substances 0.000 description 1
• 235000019439 ethyl acetate Nutrition 0.000 description 1
• 230000003301 hydrolyzing effect Effects 0.000 description 1
• 238000012994 industrial processing Methods 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 239000003960 organic solvent Substances 0.000 description 1
• 230000001376 precipitating effect Effects 0.000 description 1
• 238000011084 recovery 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
• 238000005406 washing Methods 0.000 description 1