DE296205C - - Google Patents

Info

Publication number

DE296205C

DE296205C DENDAT296205D DE296205DA DE296205C DE 296205 C DE296205 C DE 296205C DE NDAT296205 D DENDAT296205 D DE NDAT296205D DE 296205D A DE296205D A DE 296205DA DE 296205 C DE296205 C DE 296205C

Authority

DE

Germany

Prior art keywords

solvents

acetyl cellulose

acetone

solvent

camphor

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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• 239000002904 solvent Substances 0.000 claims description 16
• 229920002301 cellulose acetate Polymers 0.000 claims description 11
• SMEGJBVQLJJKKX-HOTMZDKISA-N [(2R,3S,4S,5R,6R)-5-acetyloxy-3,4,6-trihydroxyoxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)OC(=O)C)O)O SMEGJBVQLJJKKX-HOTMZDKISA-N 0.000 claims description 10
• 229940081735 acetylcellulose Drugs 0.000 claims description 10
• 239000007788 liquid Substances 0.000 claims description 7
• 238000000034 method Methods 0.000 claims description 7
• 238000009835 boiling Methods 0.000 claims description 3
• 238000001035 drying Methods 0.000 claims description 3
• 238000010438 heat treatment Methods 0.000 claims description 2
• DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 6
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
• 241000723346 Cinnamomum camphora Species 0.000 description 6
• 229960000846 camphor Drugs 0.000 description 6
• 229930008380 camphor Natural products 0.000 description 6
• 238000004898 kneading Methods 0.000 description 5
• QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 4
• 239000000203 mixture Substances 0.000 description 4
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
• RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
• 229920002160 Celluloid Polymers 0.000 description 1
• 229920002284 Cellulose triacetate Polymers 0.000 description 1
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
• 239000000020 Nitrocellulose Substances 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
• 229960000583 acetic acid Drugs 0.000 description 1
• 150000001242 acetic acid derivatives Chemical class 0.000 description 1
• 238000013019 agitation Methods 0.000 description 1
• 238000004090 dissolution Methods 0.000 description 1
• 239000012362 glacial acetic acid Substances 0.000 description 1
• 239000006193 liquid solution Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 229920001220 nitrocellulos Polymers 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 230000008961 swelling Effects 0.000 description 1
• 239000000052 vinegar Substances 0.000 description 1
• 235000021419 vinegar Nutrition 0.000 description 1