BE521098A - - Google Patents

Info

Publication number

BE521098A

BE521098A BE521098DA BE521098A BE 521098 A BE521098 A BE 521098A BE 521098D A BE521098D A BE 521098DA BE 521098 A BE521098 A BE 521098A

Authority

BE

Belgium

Prior art keywords

solution

column

hydrolysis

temperature

triacetate

Prior art date

Links

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• 238000006243 chemical reaction Methods 0.000 claims description 19
• 230000007062 hydrolysis Effects 0.000 claims description 19
• 238000006460 hydrolysis reaction Methods 0.000 claims description 19
• ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 claims description 10
• 239000003153 chemical reaction reagent Substances 0.000 claims description 9
• 229920002678 cellulose Polymers 0.000 claims description 5
• 239000001913 cellulose Substances 0.000 claims description 5
• 238000000034 method Methods 0.000 claims description 5
• 239000000376 reactant Substances 0.000 claims 1
• 239000000243 solution Substances 0.000 description 13
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
• 229920002284 Cellulose triacetate Polymers 0.000 description 4
• 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 4
• 229920002301 cellulose acetate Polymers 0.000 description 4
• 239000000203 mixture Substances 0.000 description 4
• QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
• 150000001242 acetic acid derivatives Chemical class 0.000 description 2
• 239000002253 acid Substances 0.000 description 2
• 229920001727 cellulose butyrate Polymers 0.000 description 2
• 238000010924 continuous production Methods 0.000 description 2
• 150000002148 esters Chemical class 0.000 description 2
• 230000002349 favourable effect Effects 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 239000002904 solvent Substances 0.000 description 2
• 229920002554 vinyl polymer Polymers 0.000 description 2
• XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
• VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
• 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
• 230000021736 acetylation Effects 0.000 description 1
• 238000006640 acetylation reaction Methods 0.000 description 1
• 150000001735 carboxylic acids Chemical class 0.000 description 1
• 239000003054 catalyst Substances 0.000 description 1
• 229920006218 cellulose propionate Polymers 0.000 description 1
• 239000012895 dilution Substances 0.000 description 1
• 238000010790 dilution Methods 0.000 description 1
• -1 for example Polymers 0.000 description 1
• 230000003301 hydrolyzing effect Effects 0.000 description 1
• 230000001788 irregular Effects 0.000 description 1
• 238000005907 ketalization reaction Methods 0.000 description 1
• 230000000717 retained effect Effects 0.000 description 1
• 238000007127 saponification reaction Methods 0.000 description 1
• 239000001632 sodium acetate Substances 0.000 description 1
• 235000017281 sodium acetate Nutrition 0.000 description 1
• 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
• 239000002699 waste material Substances 0.000 description 1