DE252706C - - Google Patents

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Publication number

DE252706C

DE252706C DENDAT252706D DE252706DA DE252706C DE 252706 C DE252706 C DE 252706C DE NDAT252706 D DENDAT252706 D DE NDAT252706D DE 252706D A DE252706D A DE 252706DA DE 252706 C DE252706 C DE 252706C

Authority

DE

Germany

Prior art keywords

water

cellulose

acetate

acetone

product

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

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• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 26
• 229920002678 cellulose Polymers 0.000 claims description 18
• 239000001913 cellulose Substances 0.000 claims description 10
• 238000000034 method Methods 0.000 claims description 8
• 239000003795 chemical substances by application Substances 0.000 claims description 2
• 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
• 239000000194 fatty acid Substances 0.000 claims description 2
• 229930195729 fatty acid Natural products 0.000 claims description 2
• 150000004665 fatty acids Chemical class 0.000 claims description 2
• 238000004519 manufacturing process Methods 0.000 claims description 2
• 230000003301 hydrolyzing effect Effects 0.000 claims 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 16
• 239000000047 product Substances 0.000 description 16
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 14
• HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 14
• QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 10
• 230000036571 hydration Effects 0.000 description 8
• 238000006703 hydration reaction Methods 0.000 description 8
• 239000000243 solution Substances 0.000 description 8
• 229960000583 acetic acid Drugs 0.000 description 7
• 239000012362 glacial acetic acid Substances 0.000 description 7
• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
• 239000000203 mixture Substances 0.000 description 6
• QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
• 238000013459 approach Methods 0.000 description 2
• 238000006243 chemical reaction Methods 0.000 description 2
• 230000007423 decrease Effects 0.000 description 2
• 238000002474 experimental method Methods 0.000 description 2
• 238000001556 precipitation Methods 0.000 description 2
• 239000002904 solvent Substances 0.000 description 2
• 229920002284 Cellulose triacetate Polymers 0.000 description 1
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 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
• 230000021736 acetylation Effects 0.000 description 1
• 238000006640 acetylation reaction Methods 0.000 description 1
• 150000008064 anhydrides Chemical class 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 229920002301 cellulose acetate Polymers 0.000 description 1
• 239000003085 diluting agent Substances 0.000 description 1
• 239000012895 dilution Substances 0.000 description 1
• 238000010790 dilution Methods 0.000 description 1
• 238000009826 distribution Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000007654 immersion Methods 0.000 description 1
• 239000004615 ingredient Substances 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 230000001376 precipitating effect Effects 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• 238000003756 stirring 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