JPS6113465B2 - - Google Patents
Info
- Publication number
- JPS6113465B2 JPS6113465B2 JP52153464A JP15346477A JPS6113465B2 JP S6113465 B2 JPS6113465 B2 JP S6113465B2 JP 52153464 A JP52153464 A JP 52153464A JP 15346477 A JP15346477 A JP 15346477A JP S6113465 B2 JPS6113465 B2 JP S6113465B2
- Authority
- JP
- Japan
- Prior art keywords
- isocyanate
- reaction
- raw material
- carbamate ester
- thermal decomposition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000012948 isocyanate Substances 0.000 claims description 28
- 150000002513 isocyanates Chemical class 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 239000002994 raw material Substances 0.000 claims description 16
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 16
- -1 carbamate ester Chemical class 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 210000000940 dendritic epidermal T lymphocyte Anatomy 0.000 description 15
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical compound CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 description 15
- 239000006227 byproduct Substances 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 10
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000007865 diluting Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- KZTYYGOKRVBIMI-UHFFFAOYSA-N diphenyl sulfone Chemical compound C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000002031 ethanolic fraction Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- JJHHIJFTHRNPIK-UHFFFAOYSA-N Diphenyl sulfoxide Chemical compound C=1C=CC=CC=1S(=O)C1=CC=CC=C1 JJHHIJFTHRNPIK-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000004423 acyloxy group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- OEERIBPGRSLGEK-UHFFFAOYSA-N carbon dioxide;methanol Chemical compound OC.O=C=O OEERIBPGRSLGEK-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- BUNBNHLGPZGOAI-UHFFFAOYSA-N ethyl n-[10-(ethoxycarbonylamino)anthracen-9-yl]carbamate Chemical compound C1=CC=C2C(NC(=O)OCC)=C(C=CC=C3)C3=C(NC(=O)OCC)C2=C1 BUNBNHLGPZGOAI-UHFFFAOYSA-N 0.000 description 1
- YVQBHXKOFVHDOT-UHFFFAOYSA-N ethyl n-[2-chloro-5-(ethoxycarbonylamino)phenyl]carbamate Chemical compound CCOC(=O)NC1=CC=C(Cl)C(NC(=O)OCC)=C1 YVQBHXKOFVHDOT-UHFFFAOYSA-N 0.000 description 1
- QNJPOHYCQROUCT-UHFFFAOYSA-N ethyl n-[3-(ethoxycarbonylamino)-2-methylphenyl]carbamate Chemical compound CCOC(=O)NC1=CC=CC(NC(=O)OCC)=C1C QNJPOHYCQROUCT-UHFFFAOYSA-N 0.000 description 1
- PHYURWGMBQTCSY-UHFFFAOYSA-N ethyl n-[3-(ethoxycarbonylamino)-4-methylphenyl]carbamate Chemical compound CCOC(=O)NC1=CC=C(C)C(NC(=O)OCC)=C1 PHYURWGMBQTCSY-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- CNPWIVIIZHULCN-UHFFFAOYSA-N methyl n-[3-(methoxycarbonylamino)-4-methylphenyl]carbamate Chemical compound COC(=O)NC1=CC=C(C)C(NC(=O)OC)=C1 CNPWIVIIZHULCN-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- HRHQJVCYJQPJQA-UHFFFAOYSA-N phenyl n-[2-methyl-5-(phenoxycarbonylamino)phenyl]carbamate Chemical compound C1=C(NC(=O)OC=2C=CC=CC=2)C(C)=CC=C1NC(=O)OC1=CC=CC=C1 HRHQJVCYJQPJQA-UHFFFAOYSA-N 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- VOZKAJLKRJDJLL-UHFFFAOYSA-N tolylenediamine group Chemical group CC1=C(C=C(C=C1)N)N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15346477A JPS5488222A (en) | 1977-12-20 | 1977-12-20 | Preparation of isocyanate from carbamate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15346477A JPS5488222A (en) | 1977-12-20 | 1977-12-20 | Preparation of isocyanate from carbamate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5488222A JPS5488222A (en) | 1979-07-13 |
| JPS6113465B2 true JPS6113465B2 (pl) | 1986-04-14 |
Family
ID=15563127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15346477A Granted JPS5488222A (en) | 1977-12-20 | 1977-12-20 | Preparation of isocyanate from carbamate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5488222A (pl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3215591A1 (de) * | 1982-04-27 | 1983-10-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern |
| EP1259480B1 (en) * | 2000-02-29 | 2005-10-05 | Huntsman International Llc | Process for the preparation of organic polyisocyanates |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5030832A (pl) * | 1973-05-04 | 1975-03-27 | ||
| JPS5219624A (en) * | 1975-08-07 | 1977-02-15 | Mitsui Toatsu Chem Inc | Process for preparation of isocyanates |
-
1977
- 1977-12-20 JP JP15346477A patent/JPS5488222A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5030832A (pl) * | 1973-05-04 | 1975-03-27 | ||
| JPS5219624A (en) * | 1975-08-07 | 1977-02-15 | Mitsui Toatsu Chem Inc | Process for preparation of isocyanates |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5488222A (en) | 1979-07-13 |
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