JPH0124783B2 - - Google Patents
Info
- Publication number
- JPH0124783B2 JPH0124783B2 JP56051216A JP5121681A JPH0124783B2 JP H0124783 B2 JPH0124783 B2 JP H0124783B2 JP 56051216 A JP56051216 A JP 56051216A JP 5121681 A JP5121681 A JP 5121681A JP H0124783 B2 JPH0124783 B2 JP H0124783B2
- Authority
- JP
- Japan
- Prior art keywords
- reaction
- stage
- isocyanate
- phosgene
- amine
- 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 127
- 239000012948 isocyanate Substances 0.000 claims description 60
- 150000002513 isocyanates Chemical class 0.000 claims description 60
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 45
- CKDWPUIZGOQOOM-UHFFFAOYSA-N Carbamyl chloride Chemical compound NC(Cl)=O CKDWPUIZGOQOOM-UHFFFAOYSA-N 0.000 claims description 34
- 150000001412 amines Chemical class 0.000 claims description 33
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical group ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 claims description 22
- -1 amine hydrochloride Chemical class 0.000 claims description 20
- 239000006227 byproduct Substances 0.000 claims description 12
- 238000000354 decomposition reaction Methods 0.000 claims description 12
- VOZKAJLKRJDJLL-UHFFFAOYSA-N tolylenediamine group Chemical group CC1=C(C=C(C=C1)N)N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 claims description 11
- 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 claims description 8
- 239000012295 chemical reaction liquid Substances 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 4
- 239000011541 reaction mixture Substances 0.000 claims description 4
- 150000003141 primary amines Chemical class 0.000 claims description 3
- 238000010924 continuous production Methods 0.000 claims description 2
- 239000013067 intermediate product Substances 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
- HLPKYOCVWVMBMR-UHFFFAOYSA-N azane benzylbenzene Chemical compound N.N.C=1C=CC=CC=1CC1=CC=CC=C1 HLPKYOCVWVMBMR-UHFFFAOYSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 10
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 10
- 239000002904 solvent Substances 0.000 description 9
- 238000004821 distillation Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000012442 inert solvent Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- 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
- 239000004202 carbamide Substances 0.000 description 1
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5121681A JPS57165358A (en) | 1981-04-07 | 1981-04-07 | Continuous preparaion of organic isocyanate |
| 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 |
|---|---|---|---|
| JP5121681A JPS57165358A (en) | 1981-04-07 | 1981-04-07 | Continuous preparaion of organic isocyanate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57165358A JPS57165358A (en) | 1982-10-12 |
| JPH0124783B2 true JPH0124783B2 (zh) | 1989-05-15 |
Family
ID=12880717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5121681A Granted JPS57165358A (en) | 1981-04-07 | 1981-04-07 | Continuous preparaion of organic isocyanate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57165358A (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4739798B2 (ja) * | 2005-04-05 | 2011-08-03 | 三井化学株式会社 | ポリイソシアネート連続製造装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516126A (en) * | 1974-07-04 | 1976-01-19 | Kobe Steel Ltd | Chukuseikeihinno seikeihoho oyobi sonosochi |
| JPS5356635A (en) * | 1976-11-01 | 1978-05-23 | Allied Chem | Method of and apparatus for producing aromatic isocyanate |
-
1981
- 1981-04-07 JP JP5121681A patent/JPS57165358A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516126A (en) * | 1974-07-04 | 1976-01-19 | Kobe Steel Ltd | Chukuseikeihinno seikeihoho oyobi sonosochi |
| JPS5356635A (en) * | 1976-11-01 | 1978-05-23 | Allied Chem | Method of and apparatus for producing aromatic isocyanate |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57165358A (en) | 1982-10-12 |
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