BE361180A - - Google Patents

Info

Publication number

BE361180A

BE361180A BE361180DA BE361180A BE 361180 A BE361180 A BE 361180A BE 361180D A BE361180D A BE 361180DA BE 361180 A BE361180 A BE 361180A

Authority

BE

Belgium

Prior art keywords

thiourea

urea

solution

desc

formaldehyde

Prior art date

Links

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• Global Dossier
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• XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 35
• UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 26
• 239000004202 carbamide Substances 0.000 claims description 11
• 239000000203 mixture Substances 0.000 claims description 9
• 238000000034 method Methods 0.000 claims description 4
• 230000007935 neutral effect Effects 0.000 claims description 4
• 238000012986 modification Methods 0.000 claims 1
• 230000004048 modification Effects 0.000 claims 1
• WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 20
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
• 238000009833 condensation Methods 0.000 description 4
• 230000005494 condensation Effects 0.000 description 4
• 239000004922 lacquer Substances 0.000 description 4
• 239000000047 product Substances 0.000 description 4
• 239000007859 condensation product Substances 0.000 description 3
• 238000002360 preparation method Methods 0.000 description 3
• 235000011121 sodium hydroxide Nutrition 0.000 description 3
• 230000002378 acidificating effect Effects 0.000 description 2
• 238000006243 chemical reaction Methods 0.000 description 2
• 230000002209 hydrophobic effect Effects 0.000 description 2
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
• 239000012237 artificial material Substances 0.000 description 1
• 239000008280 blood Substances 0.000 description 1
• 210000004369 blood Anatomy 0.000 description 1
• 238000005266 casting Methods 0.000 description 1
• 239000003054 catalyst Substances 0.000 description 1
• 239000003518 caustics Substances 0.000 description 1
• 239000003610 charcoal Substances 0.000 description 1
• 238000000576 coating method Methods 0.000 description 1
• 230000003247 decreasing effect Effects 0.000 description 1
• 238000001704 evaporation Methods 0.000 description 1
• 239000012467 final product Substances 0.000 description 1
• 239000008098 formaldehyde solution Substances 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
• 238000006386 neutralization reaction Methods 0.000 description 1
• 229920000642 polymer Polymers 0.000 description 1
• 238000006116 polymerization reaction Methods 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 230000002035 prolonged effect Effects 0.000 description 1
• 239000012265 solid product Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 230000001256 tonic effect Effects 0.000 description 1
• 230000001131 transforming effect Effects 0.000 description 1