BE372408A

BE372408A -

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Publication number: BE372408A
Authority: BE; Belgium
Prior art keywords: acid; esterification; haloid; cellulose; cellulose esters
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English (en)

French (fr)

Publication of BE372408A publication Critical patent/BE372408A/fr

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VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 28
239000002253 acid Substances 0.000 claims description 23
229920002678 cellulose Polymers 0.000 claims description 22
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 20
239000001913 cellulose Substances 0.000 claims description 16
230000032050 esterification Effects 0.000 claims description 16
238000005886 esterification reaction Methods 0.000 claims description 16
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 16
238000011282 treatment Methods 0.000 claims description 15
238000000034 method Methods 0.000 claims description 14
WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical group CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 12
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
239000003054 catalyst Substances 0.000 claims description 10
229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 9
RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 9
239000000463 material Substances 0.000 claims description 9
239000000203 mixture Substances 0.000 claims description 9
OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 8
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
235000019253 formic acid Nutrition 0.000 claims description 8
150000002148 esters Chemical class 0.000 claims description 6
229910052742 iron Inorganic materials 0.000 claims description 6
150000007524 organic acids Chemical class 0.000 claims description 6
150000003839 salts Chemical class 0.000 claims description 6
150000001242 acetic acid derivatives Chemical class 0.000 claims description 5
239000003795 chemical substances by application Substances 0.000 claims description 5
239000000725 suspension Substances 0.000 claims description 5
BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims description 4
229920001131 Pulp (paper) Polymers 0.000 claims description 4
150000001805 chlorine compounds Chemical class 0.000 claims description 4
239000010941 cobalt Substances 0.000 claims description 4
229910017052 cobalt Inorganic materials 0.000 claims description 4
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 4
238000004519 manufacturing process Methods 0.000 claims description 4
229910052759 nickel Inorganic materials 0.000 claims description 4
239000000126 substance Substances 0.000 claims description 4
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
229910052802 copper Inorganic materials 0.000 claims description 3
239000010949 copper Substances 0.000 claims description 3
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
150000001649 bromium compounds Chemical class 0.000 claims description 2
235000014113 dietary fatty acids Nutrition 0.000 claims description 2
239000000194 fatty acid Substances 0.000 claims description 2
229930195729 fatty acid Natural products 0.000 claims description 2
150000004665 fatty acids Chemical class 0.000 claims description 2
150000004694 iodide salts Chemical class 0.000 claims description 2
238000000465 moulding Methods 0.000 claims description 2
239000000843 powder Substances 0.000 claims description 2
FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 claims 1
239000012459 cleaning agent Substances 0.000 claims 1
239000000835 fiber Substances 0.000 claims 1
150000007513 acids Chemical class 0.000 description 8
230000021736 acetylation Effects 0.000 description 7
238000006640 acetylation reaction Methods 0.000 description 7
229960000583 acetic acid Drugs 0.000 description 6
230000005070 ripening Effects 0.000 description 6
229920000742 Cotton Polymers 0.000 description 5
238000006243 chemical reaction Methods 0.000 description 5
229940093915 gynecological organic acid Drugs 0.000 description 5
238000010438 heat treatment Methods 0.000 description 5
235000005985 organic acids Nutrition 0.000 description 5
239000007788 liquid Substances 0.000 description 4
230000015556 catabolic process Effects 0.000 description 3
229920002301 cellulose acetate Polymers 0.000 description 3
238000006731 degradation reaction Methods 0.000 description 3
239000003085 diluting agent Substances 0.000 description 3
238000004090 dissolution Methods 0.000 description 3
125000001475 halogen functional group Chemical group 0.000 description 3
238000002203 pretreatment Methods 0.000 description 3
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
-1 EMI1.1 for example Polymers 0.000 description 2
239000003513 alkali Substances 0.000 description 2
239000003518 caustics Substances 0.000 description 2
150000004820 halides Chemical class 0.000 description 2
239000011261 inert gas Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
229920002994 synthetic fiber Polymers 0.000 description 2
235000017166 Bambusa arundinacea Nutrition 0.000 description 1
235000017491 Bambusa tulda Nutrition 0.000 description 1
241001330002 Bambuseae Species 0.000 description 1
DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 description 1
241000282994 Cervidae Species 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
235000015334 Phyllostachys viridis Nutrition 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
230000002411 adverse Effects 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
239000011260 aqueous acid Substances 0.000 description 1
239000011425 bamboo Substances 0.000 description 1
238000009835 boiling Methods 0.000 description 1
229920006218 cellulose propionate Polymers 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000000470 constituent Substances 0.000 description 1
ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical class Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
239000012362 glacial acetic acid Substances 0.000 description 1
239000012433 hydrogen halide Substances 0.000 description 1
229910000039 hydrogen halide Inorganic materials 0.000 description 1
229940071870 hydroiodic acid Drugs 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
229920005610 lignin Polymers 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
239000011572 manganese Substances 0.000 description 1
239000003863 metallic catalyst Substances 0.000 description 1
239000011707 mineral Substances 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
230000001376 precipitating effect Effects 0.000 description 1
230000009257 reactivity Effects 0.000 description 1
238000005201 scrubbing Methods 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
239000001632 sodium acetate Substances 0.000 description 1
235000017281 sodium acetate Nutrition 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1