BE478489A - - Google Patents

Info

Publication number

BE478489A

BE478489A BE478489DA BE478489A BE 478489 A BE478489 A BE 478489A BE 478489D A BE478489D A BE 478489DA BE 478489 A BE478489 A BE 478489A

Authority

BE

Belgium

Prior art keywords

maturation

cellulose

sulfuric acid

acetate

water

Prior art date

Links

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• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 107
• 230000035800 maturation Effects 0.000 claims description 44
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
• QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 40
• 229920002678 cellulose Polymers 0.000 claims description 31
• 238000006640 acetylation reaction Methods 0.000 claims description 30
• 229920002301 Cellulose acetate Polymers 0.000 claims description 28
• 230000005070 ripening Effects 0.000 claims description 24
• WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 22
• 239000001913 cellulose Substances 0.000 claims description 22
• CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
• ZLNQQNXFFQJAID-UHFFFAOYSA-L Magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 14
• 239000001095 magnesium carbonate Substances 0.000 claims description 14
• 239000011776 magnesium carbonate Substances 0.000 claims description 14
• 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 13
• 238000004519 manufacturing process Methods 0.000 claims description 11
• 230000003472 neutralizing Effects 0.000 claims description 6
• UEGPKNKPLBYCNK-UHFFFAOYSA-L Magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 claims description 4
• 239000003054 catalyst Substances 0.000 claims description 4
• 239000011654 magnesium acetate Substances 0.000 claims description 4
• 235000011285 magnesium acetate Nutrition 0.000 claims description 4
• 229940069446 magnesium acetate Drugs 0.000 claims description 4
• 150000002681 magnesium compounds Chemical class 0.000 claims description 4
• XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
• 150000003752 zinc compounds Chemical class 0.000 claims description 2
• 239000011787 zinc oxide Substances 0.000 claims description 2
• 239000003377 acid catalyst Substances 0.000 claims 3
• 238000000034 method Methods 0.000 claims 2
• DJWUNCQRNNEAKC-UHFFFAOYSA-L Zinc acetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O DJWUNCQRNNEAKC-UHFFFAOYSA-L 0.000 claims 1
• 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
• 235000014113 dietary fatty acids Nutrition 0.000 claims 1
• 239000000194 fatty acid Substances 0.000 claims 1
• 150000004665 fatty acids Chemical class 0.000 claims 1
• 150000007522 mineralic acids Chemical class 0.000 claims 1
• 239000002904 solvent Substances 0.000 claims 1
• 239000000126 substance Substances 0.000 claims 1
• 239000004246 zinc acetate Substances 0.000 claims 1
• 229960000583 Acetic Acid Drugs 0.000 description 12
• 239000000203 mixture Substances 0.000 description 12
• 229920000742 Cotton Polymers 0.000 description 10
• 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 7
• 239000002253 acid Substances 0.000 description 5
• 239000000243 solution Substances 0.000 description 5
• 238000011105 stabilization Methods 0.000 description 5
• NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
• 238000003756 stirring Methods 0.000 description 4
• 150000007513 acids Chemical class 0.000 description 3
• CSNNHWWHGAXBCP-UHFFFAOYSA-L mgso4 Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 3
• 238000001556 precipitation Methods 0.000 description 3
• 239000007858 starting material Substances 0.000 description 3
• 229940093915 Gynecological Organic acids Drugs 0.000 description 2
• 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 150000002148 esters Chemical class 0.000 description 2
• -1 for example Polymers 0.000 description 2
• CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
• 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
• 235000019341 magnesium sulphate Nutrition 0.000 description 2
• 150000007524 organic acids Chemical class 0.000 description 2
• 235000005985 organic acids Nutrition 0.000 description 2
• 230000002035 prolonged Effects 0.000 description 2
• HKQOBOMRSSHSTC-DIBAFDJWSA-N (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;[(2R,3R,4S,5R,6S)-4,5,6-triacetyloxy-3-[(2S,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl acetate;[( Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O)[C@H](O)[C@H]1O.CC(=O)OC[C@H]1O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]1O[C@H]1[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1.CCC(=O)OC[C@H]1O[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@@H]1O[C@H]1[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](COC(=O)CC)O1 HKQOBOMRSSHSTC-DIBAFDJWSA-N 0.000 description 1
• QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
• 150000001242 acetic acid derivatives Chemical class 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
• 230000000397 acetylating Effects 0.000 description 1
• 239000012345 acetylating agent Substances 0.000 description 1
• 150000001339 alkali metal compounds Chemical class 0.000 description 1
• 229940077744 antacids containing magnesium compounds Drugs 0.000 description 1
• 239000007864 aqueous solution Substances 0.000 description 1
• 230000015556 catabolic process Effects 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 230000004059 degradation Effects 0.000 description 1
• 238000006731 degradation reaction Methods 0.000 description 1
• 239000012362 glacial acetic acid Substances 0.000 description 1
• 229910052500 inorganic mineral Inorganic materials 0.000 description 1
• 239000004922 lacquer Substances 0.000 description 1
• FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
• 229910052749 magnesium Inorganic materials 0.000 description 1
• 239000011777 magnesium Substances 0.000 description 1
• 239000011707 mineral Substances 0.000 description 1
• 235000010755 mineral Nutrition 0.000 description 1
• 230000000284 resting Effects 0.000 description 1
• JCPDISNOORFYFA-UHFFFAOYSA-H tetrazinc;oxygen(2-);hexaacetate Chemical compound [O-2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O JCPDISNOORFYFA-UHFFFAOYSA-H 0.000 description 1
• 239000002966 varnish Substances 0.000 description 1
• 229940100888 zinc compounds Drugs 0.000 description 1