BE378551A - - Google Patents

Info

Publication number

BE378551A

BE378551A BE378551DA BE378551A BE 378551 A BE378551 A BE 378551A BE 378551D A BE378551D A BE 378551DA BE 378551 A BE378551 A BE 378551A

Authority

BE

Belgium

Prior art keywords

cellulose

acid

esters

dyes

cyanacetic

Prior art date

Links

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• 229920002678 cellulose Polymers 0.000 claims description 13
• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 12
• 239000000975 dye Substances 0.000 claims description 8
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 7
• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
• 239000001913 cellulose Substances 0.000 claims description 6
• 229920002301 cellulose acetate Polymers 0.000 claims description 6
• 238000000034 method Methods 0.000 claims description 5
• MLIREBYILWEBDM-UHFFFAOYSA-N cyanoacetic acid Chemical compound OC(=O)CC#N MLIREBYILWEBDM-UHFFFAOYSA-N 0.000 claims description 4
• 229960000583 acetic acid Drugs 0.000 claims description 3
• 239000002253 acid Substances 0.000 claims description 3
• 229910052757 nitrogen Inorganic materials 0.000 claims description 3
• SLAMLWHELXOEJZ-UHFFFAOYSA-N 2-nitrobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1[N+]([O-])=O SLAMLWHELXOEJZ-UHFFFAOYSA-N 0.000 claims description 2
• 230000021736 acetylation Effects 0.000 claims description 2
• 238000006640 acetylation reaction Methods 0.000 claims description 2
• 239000003054 catalyst Substances 0.000 claims description 2
• 239000012362 glacial acetic acid Substances 0.000 claims description 2
• 229940093915 gynecological organic acid Drugs 0.000 claims description 2
• 150000007524 organic acids Chemical class 0.000 claims description 2
• 235000005985 organic acids Nutrition 0.000 claims description 2
• 230000000397 acetylating effect Effects 0.000 claims 1
• ZIUSEGSNTOUIPT-UHFFFAOYSA-N ethyl 2-cyanoacetate Chemical compound CCOC(=O)CC#N ZIUSEGSNTOUIPT-UHFFFAOYSA-N 0.000 claims 1
• -1 for example Polymers 0.000 claims 1
• 230000002378 acidificating effect Effects 0.000 description 2
• 150000002148 esters Chemical class 0.000 description 2
• 239000000126 substance Substances 0.000 description 2
• 229920001747 Cellulose diacetate Polymers 0.000 description 1
• 229920002284 Cellulose triacetate Polymers 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
• 239000000982 direct dye Substances 0.000 description 1
• 230000000704 physical effect Effects 0.000 description 1
• 239000007787 solid Substances 0.000 description 1