BE383119A - - Google Patents

Info

Publication number

BE383119A

BE383119A BE383119DA BE383119A BE 383119 A BE383119 A BE 383119A BE 383119D A BE383119D A BE 383119DA BE 383119 A BE383119 A BE 383119A

Authority

BE

Belgium

Prior art keywords

urea

grams

formaldehyde

molecules

synthetic tanning

Prior art date

Links

• Espacenet
• Global Dossier
• Discuss

• WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 61
• XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 48
• 239000004202 carbamide Substances 0.000 claims description 24
• 239000000047 product Substances 0.000 claims description 11
• 238000000034 method Methods 0.000 claims description 10
• 239000007859 condensation product Substances 0.000 claims description 7
• 150000002989 phenols Chemical class 0.000 claims description 7
• 238000002360 preparation method Methods 0.000 claims description 6
• 230000002378 acidificating effect Effects 0.000 claims description 5
• 229930195733 hydrocarbon Natural products 0.000 claims description 5
• 150000002430 hydrocarbons Chemical class 0.000 claims description 5
• 239000000126 substance Substances 0.000 claims description 5
• IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 claims description 4
• 239000000463 material Substances 0.000 claims description 4
• 150000004677 hydrates Chemical class 0.000 claims description 3
• 239000002253 acid Substances 0.000 claims description 2
• 150000004780 naphthols Chemical class 0.000 claims description 2
• 238000006386 neutralization reaction Methods 0.000 claims description 2
• 238000006243 chemical reaction Methods 0.000 claims 2
• 229910003439 heavy metal oxide Inorganic materials 0.000 claims 1
• 229960004279 formaldehyde Drugs 0.000 description 21
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
• 235000019256 formaldehyde Nutrition 0.000 description 12
• 239000000243 solution Substances 0.000 description 12
• UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 10
• UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 6
• 238000009833 condensation Methods 0.000 description 4
• 230000005494 condensation Effects 0.000 description 4
• 238000010438 heat treatment Methods 0.000 description 4
• 150000002790 naphthalenes Chemical class 0.000 description 4
• 239000001648 tannin Substances 0.000 description 4
• 229920001864 tannin Polymers 0.000 description 4
• 235000018553 tannin Nutrition 0.000 description 4
• ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
• 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 3
• QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 2
• JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
• 239000004215 Carbon black (E152) Substances 0.000 description 2
• CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
• 229920001807 Urea-formaldehyde Polymers 0.000 description 2
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
• 238000001816 cooling Methods 0.000 description 2
• 229930003836 cresol Natural products 0.000 description 2
• 229910044991 metal oxide Inorganic materials 0.000 description 2
• 150000004706 metal oxides Chemical class 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• QUBQYFYWUJJAAK-UHFFFAOYSA-N oxymethurea Chemical compound OCNC(=O)NCO QUBQYFYWUJJAAK-UHFFFAOYSA-N 0.000 description 2
• 229950005308 oxymethurea Drugs 0.000 description 2
• 238000003756 stirring Methods 0.000 description 2
• KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
• 244000025254 Cannabis sativa Species 0.000 description 1
• VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
• 108010010803 Gelatin Proteins 0.000 description 1
• 235000017343 Quebracho blanco Nutrition 0.000 description 1
• 241000065615 Schinopsis balansae Species 0.000 description 1
• 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
• 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
• 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
• 229910021529 ammonia Inorganic materials 0.000 description 1
• 239000007864 aqueous solution Substances 0.000 description 1
• 229950011260 betanaphthol Drugs 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• 229910052804 chromium Inorganic materials 0.000 description 1
• 239000011651 chromium Substances 0.000 description 1
• QFSKIUZTIHBWFR-UHFFFAOYSA-N chromium;hydrate Chemical compound O.[Cr] QFSKIUZTIHBWFR-UHFFFAOYSA-N 0.000 description 1
• 238000004040 coloring Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 229920000159 gelatin Polymers 0.000 description 1
• 239000008273 gelatin Substances 0.000 description 1
• 235000019322 gelatine Nutrition 0.000 description 1
• 235000011852 gelatine desserts Nutrition 0.000 description 1
• 229910001385 heavy metal Inorganic materials 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 239000006193 liquid solution Substances 0.000 description 1
• 239000000395 magnesium oxide Substances 0.000 description 1
• 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 description 1
• 229910052751 metal Inorganic materials 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
• SQYNKIJPMDEDEG-UHFFFAOYSA-N paraldehyde Chemical compound CC1OC(C)OC(C)O1 SQYNKIJPMDEDEG-UHFFFAOYSA-N 0.000 description 1
• 229960003868 paraldehyde Drugs 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 229920005989 resin Polymers 0.000 description 1
• 239000011347 resin Substances 0.000 description 1
• 239000012262 resinous product Substances 0.000 description 1
• 230000008961 swelling Effects 0.000 description 1