BE356130A - - Google Patents

Info

Publication number

BE356130A

BE356130A BE356130DA BE356130A BE 356130 A BE356130 A BE 356130A BE 356130D A BE356130D A BE 356130DA BE 356130 A BE356130 A BE 356130A

Authority

BE

Belgium

Prior art keywords

acid

parts

cellulose

sulfurous acid

soluble

Prior art date

Links

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• 239000002253 acid Substances 0.000 description 21
• 229920002678 cellulose Polymers 0.000 description 18
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 16
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
• 239000007788 liquid Substances 0.000 description 11
• 239000001913 cellulose Substances 0.000 description 10
• 238000000034 method Methods 0.000 description 10
• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 9
• 150000004820 halides Chemical class 0.000 description 9
• 150000008065 acid anhydrides Chemical class 0.000 description 8
• 239000000203 mixture Substances 0.000 description 6
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
• 150000002148 esters Chemical class 0.000 description 5
• 239000000047 product Substances 0.000 description 5
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
• HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
• 229940081735 acetylcellulose Drugs 0.000 description 4
• 150000007513 acids Chemical class 0.000 description 4
• 239000003054 catalyst Substances 0.000 description 4
• 229920002301 cellulose acetate Polymers 0.000 description 4
• 238000006243 chemical reaction Methods 0.000 description 4
• 239000003795 chemical substances by application Substances 0.000 description 4
• 230000032050 esterification Effects 0.000 description 4
• 238000005886 esterification reaction Methods 0.000 description 4
• 238000000926 separation method Methods 0.000 description 4
• 230000009466 transformation Effects 0.000 description 4
• 239000007795 chemical reaction product Substances 0.000 description 3
• 238000004821 distillation Methods 0.000 description 3
• 230000003301 hydrolyzing effect Effects 0.000 description 3
• 238000002360 preparation method Methods 0.000 description 3
• FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
• 229960000583 acetic acid Drugs 0.000 description 2
• 150000008064 anhydrides Chemical class 0.000 description 2
• 150000001720 carbohydrates Chemical class 0.000 description 2
• 235000014633 carbohydrates Nutrition 0.000 description 2
• 230000003197 catalytic effect Effects 0.000 description 2
• 238000004090 dissolution Methods 0.000 description 2
• 239000012362 glacial acetic acid Substances 0.000 description 2
• 230000007935 neutral effect Effects 0.000 description 2
• AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
• WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
• 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 description 1
• ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
• WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
• 239000012346 acetyl chloride Substances 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
• 229910052794 bromium Inorganic materials 0.000 description 1
• YHASWHZGWUONAO-UHFFFAOYSA-N butanoyl butanoate Chemical compound CCCC(=O)OC(=O)CCC YHASWHZGWUONAO-UHFFFAOYSA-N 0.000 description 1
• 229920001727 cellulose butyrate Polymers 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• 239000000835 fiber Substances 0.000 description 1
• -1 for example Chemical class 0.000 description 1
• 239000007789 gas Substances 0.000 description 1
• 239000011541 reaction mixture Substances 0.000 description 1
• 238000007127 saponification reaction Methods 0.000 description 1
• 238000001577 simple distillation Methods 0.000 description 1
• 239000002904 solvent Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 238000005406 washing Methods 0.000 description 1
• 239000004246 zinc acetate Substances 0.000 description 1