BE379898A - - Google Patents

Info

Publication number

BE379898A

BE379898A BE379898DA BE379898A BE 379898 A BE379898 A BE 379898A BE 379898D A BE379898D A BE 379898DA BE 379898 A BE379898 A BE 379898A

Authority

BE

Belgium

Prior art keywords

weight

parts

cellulose

ketene

sulfurous acid

Prior art date

Links

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• 229920002678 cellulose Polymers 0.000 claims description 14
• CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 claims description 10
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 9
• 238000000034 method Methods 0.000 claims description 9
• 239000007788 liquid Substances 0.000 claims description 8
• 239000001913 cellulose Substances 0.000 claims description 6
• 239000011541 reaction mixture Substances 0.000 claims description 5
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
• 238000006243 chemical reaction Methods 0.000 claims description 4
• 239000003795 chemical substances by application Substances 0.000 claims description 4
• JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 4
• 239000002253 acid Substances 0.000 claims description 3
• 239000003054 catalyst Substances 0.000 claims description 3
• 229920002301 cellulose acetate Polymers 0.000 claims description 3
• 230000032050 esterification Effects 0.000 claims description 3
• 238000005886 esterification reaction Methods 0.000 claims description 3
• 230000003301 hydrolyzing effect Effects 0.000 claims description 3
• 239000000203 mixture Substances 0.000 claims description 3
• 238000002360 preparation method Methods 0.000 claims description 3
• 230000009466 transformation Effects 0.000 claims description 3
• 230000021736 acetylation Effects 0.000 claims description 2
• 238000006640 acetylation reaction Methods 0.000 claims description 2
• 150000007513 acids Chemical class 0.000 claims description 2
• 150000001408 amides Chemical class 0.000 claims description 2
• -1 aromatic carboxylic acids Chemical class 0.000 claims description 2
• 150000002148 esters Chemical class 0.000 claims description 2
• 235000005074 zinc chloride Nutrition 0.000 claims description 2
• 239000011592 zinc chloride Substances 0.000 claims description 2
• NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 2
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 4
• FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims 2
• HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims 2
• 229920000742 Cotton Polymers 0.000 claims 1
• PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 claims 1
• 229920006217 cellulose acetate butyrate Polymers 0.000 claims 1
• 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims 1
• 239000003925 fat Substances 0.000 claims 1
• 230000007062 hydrolysis Effects 0.000 claims 1
• 238000006460 hydrolysis reaction Methods 0.000 claims 1
• 238000003756 stirring Methods 0.000 claims 1
• 235000009529 zinc sulphate Nutrition 0.000 claims 1
• 239000011686 zinc sulphate Substances 0.000 claims 1
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
• UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
• WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
• 239000012345 acetylating agent Substances 0.000 description 3
• RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
• NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
• 239000003085 diluting agent Substances 0.000 description 2
• 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
• 235000014113 dietary fatty acids Nutrition 0.000 description 1
• 239000000194 fatty acid Substances 0.000 description 1
• 229930195729 fatty acid Natural products 0.000 description 1
• 150000004665 fatty acids Chemical class 0.000 description 1
• 150000004820 halides Chemical class 0.000 description 1
• 238000002955 isolation Methods 0.000 description 1
• 239000003960 organic solvent Substances 0.000 description 1
• 230000000704 physical effect Effects 0.000 description 1
• 230000008929 regeneration Effects 0.000 description 1
• 238000011069 regeneration method Methods 0.000 description 1
• 239000002904 solvent Substances 0.000 description 1
• 230000008961 swelling Effects 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
• 229960001763 zinc sulfate Drugs 0.000 description 1
• 229910000368 zinc sulfate Inorganic materials 0.000 description 1