JPS6126987B2 - - Google Patents
Info
- Publication number
- JPS6126987B2 JPS6126987B2 JP18373481A JP18373481A JPS6126987B2 JP S6126987 B2 JPS6126987 B2 JP S6126987B2 JP 18373481 A JP18373481 A JP 18373481A JP 18373481 A JP18373481 A JP 18373481A JP S6126987 B2 JPS6126987 B2 JP S6126987B2
- Authority
- JP
- Japan
- Prior art keywords
- reaction
- amine
- stage
- isocyanate
- pressure
- 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 121
- 239000012948 isocyanate Substances 0.000 claims description 56
- 150000002513 isocyanates Chemical class 0.000 claims description 55
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 48
- 150000001412 amines Chemical class 0.000 claims description 45
- CKDWPUIZGOQOOM-UHFFFAOYSA-N Carbamyl chloride Chemical compound NC(Cl)=O CKDWPUIZGOQOOM-UHFFFAOYSA-N 0.000 claims description 37
- -1 amine hydrochloride Chemical class 0.000 claims description 25
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical group ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 claims description 18
- 239000006227 byproduct Substances 0.000 claims description 13
- VOZKAJLKRJDJLL-UHFFFAOYSA-N tolylenediamine group Chemical group CC1=C(C=C(C=C1)N)N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 claims description 11
- 238000000354 decomposition reaction Methods 0.000 claims description 10
- 239000003960 organic solvent Substances 0.000 claims description 5
- 150000003141 primary amines Chemical class 0.000 claims description 3
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 claims description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 2
- 235000010290 biphenyl Nutrition 0.000 claims 1
- 239000004305 biphenyl Substances 0.000 claims 1
- 238000011437 continuous method Methods 0.000 claims 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims 1
- 239000006185 dispersion Substances 0.000 description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 14
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 11
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 11
- 239000007789 gas Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000012295 chemical reaction liquid Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 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 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 238000004821 distillation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000013067 intermediate product Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000012442 inert solvent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18373481A JPS59122451A (ja) | 1981-11-18 | 1981-11-18 | 有機イソシアナ−トの連続的製造法 |
| US06/364,894 US4422976A (en) | 1981-04-07 | 1982-04-02 | Continuous preparation of organic isocyanates |
| DE3212510A DE3212510A1 (de) | 1981-04-07 | 1982-04-03 | Verfahren zur kontinuierlichen herstellung von organischen isocyanaten |
| MX192184A MX156500A (es) | 1981-04-07 | 1982-04-06 | Procedimiento continuo para la preparacion de isocianatos organicos |
| BR8201971A BR8201971A (pt) | 1981-04-07 | 1982-04-06 | Processo para preparar continuamente um isocianato organico |
| FR8206087A FR2503146B1 (fr) | 1981-04-07 | 1982-04-07 | Procede de preparation continue d'isocyanates organiques |
| GB8210299A GB2097789B (en) | 1981-04-07 | 1982-04-07 | Preparation of organic isocyanates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18373481A JPS59122451A (ja) | 1981-11-18 | 1981-11-18 | 有機イソシアナ−トの連続的製造法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26624785A Division JPS61218566A (ja) | 1985-11-28 | 1985-11-28 | 有機イソシアナ−トの連続的製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59122451A JPS59122451A (ja) | 1984-07-14 |
| JPS6126987B2 true JPS6126987B2 (fr) | 1986-06-23 |
Family
ID=16141032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18373481A Granted JPS59122451A (ja) | 1981-04-07 | 1981-11-18 | 有機イソシアナ−トの連続的製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59122451A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63148094A (ja) * | 1986-12-11 | 1988-06-20 | Nippon Denso Co Ltd | 熱交換器 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
1981
- 1981-11-18 JP JP18373481A patent/JPS59122451A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63148094A (ja) * | 1986-12-11 | 1988-06-20 | Nippon Denso Co Ltd | 熱交換器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59122451A (ja) | 1984-07-14 |
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