JPS638098B2 - - Google Patents
Info
- Publication number
- JPS638098B2 JPS638098B2 JP26624785A JP26624785A JPS638098B2 JP S638098 B2 JPS638098 B2 JP S638098B2 JP 26624785 A JP26624785 A JP 26624785A JP 26624785 A JP26624785 A JP 26624785A JP S638098 B2 JPS638098 B2 JP S638098B2
- Authority
- JP
- Japan
- Prior art keywords
- reaction
- stage
- phosgene
- isocyanate
- liquid
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 95
- 238000000034 method Methods 0.000 claims description 40
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 38
- 239000012948 isocyanate Substances 0.000 claims description 34
- 150000002513 isocyanates Chemical class 0.000 claims description 33
- CKDWPUIZGOQOOM-UHFFFAOYSA-N Carbamyl chloride Chemical compound NC(Cl)=O CKDWPUIZGOQOOM-UHFFFAOYSA-N 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 25
- 239000012295 chemical reaction liquid Substances 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- -1 amine hydrochloride Chemical class 0.000 claims description 13
- 238000000354 decomposition reaction Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000010924 continuous production Methods 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 238000007039 two-step reaction Methods 0.000 claims description 3
- 150000003141 primary amines Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 description 32
- 239000006227 byproduct Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 9
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 8
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 8
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 8
- VOZKAJLKRJDJLL-UHFFFAOYSA-N tolylenediamine group Chemical group CC1=C(C=C(C=C1)N)N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000005979 thermal decomposition reaction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- 238000007700 distillative separation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 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 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26624785A JPS61218566A (ja) | 1985-11-28 | 1985-11-28 | 有機イソシアナ−トの連続的製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26624785A JPS61218566A (ja) | 1985-11-28 | 1985-11-28 | 有機イソシアナ−トの連続的製造法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18373481A Division JPS59122451A (ja) | 1981-04-07 | 1981-11-18 | 有機イソシアナ−トの連続的製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61218566A JPS61218566A (ja) | 1986-09-29 |
| JPS638098B2 true JPS638098B2 (fr) | 1988-02-19 |
Family
ID=17428314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26624785A Granted JPS61218566A (ja) | 1985-11-28 | 1985-11-28 | 有機イソシアナ−トの連続的製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61218566A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4993827B2 (ja) * | 2001-08-17 | 2012-08-08 | 日本曹達株式会社 | 試料導入管閉塞防止方法 |
| JP2012233004A (ja) * | 2005-04-04 | 2012-11-29 | Mitsui Chemicals Inc | ポリイソシアネート製造設備およびポリイソシアネート製造方法 |
| JP2006312619A (ja) * | 2005-04-04 | 2006-11-16 | Mitsui Chemicals Polyurethanes Inc | ポリイソシアネート製造設備およびポリイソシアネート製造方法 |
-
1985
- 1985-11-28 JP JP26624785A patent/JPS61218566A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61218566A (ja) | 1986-09-29 |
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