GB1341311A - Process for the production of organic isocyanates - Google Patents
Process for the production of organic isocyanatesInfo
- Publication number
- GB1341311A GB1341311A GB1341311DA GB1341311A GB 1341311 A GB1341311 A GB 1341311A GB 1341311D A GB1341311D A GB 1341311DA GB 1341311 A GB1341311 A GB 1341311A
- Authority
- GB
- United Kingdom
- Prior art keywords
- isocyanate
- amine
- organic
- phosgene
- stage
- 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 title abstract 8
- 150000002513 isocyanates Chemical class 0.000 title abstract 8
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 150000001412 amines Chemical class 0.000 abstract 5
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 abstract 4
- 239000000376 reactant Substances 0.000 abstract 4
- CKDWPUIZGOQOOM-UHFFFAOYSA-N Carbamyl chloride Chemical compound NC(Cl)=O CKDWPUIZGOQOOM-UHFFFAOYSA-N 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 125000003277 amino group Chemical group 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 125000000524 functional group Chemical group 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4945871 | 1971-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1341311A true GB1341311A (en) | 1973-12-19 |
Family
ID=10452409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1341311D Expired GB1341311A (en) | 1971-10-25 | 1972-10-25 | Process for the production of organic isocyanates |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4849721A (es) |
| BE (1) | BE790461A (es) |
| DE (1) | DE2252068A1 (es) |
| ES (1) | ES407916A1 (es) |
| FR (1) | FR2158909A5 (es) |
| GB (1) | GB1341311A (es) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419295A (en) | 1981-05-27 | 1983-12-06 | Bayer Aktiengesellschaft | Continuous process for the production of organic isocyanates |
| US5925783A (en) * | 1994-11-17 | 1999-07-20 | Bayer Aktiengesellschaft | Process for the preparation of isocyanates |
| US6576788B1 (en) | 1998-04-21 | 2003-06-10 | Basf Aktiengesellschaft | Method for producing mixtures consisting of diphenylmethane diisocyanates and polyphenylene-polymethylene-polyisocyanates containing a reduced amount of chlorinated secondary products and with a reduced iodine color index |
| US6833469B2 (en) | 2001-06-19 | 2004-12-21 | Basf Aktiengesellschaft | Method for producing isocynates |
| US7547801B2 (en) | 2006-06-26 | 2009-06-16 | Bayer Materialscience Llc | Process for the continuous preparation of isocyanates |
| US8097751B2 (en) | 2004-07-07 | 2012-01-17 | Bayer Materialscience Ag | Process for preparing polyisocyanates by the adiabatic phosgenation of primary amines |
| US10112892B2 (en) | 2015-06-29 | 2018-10-30 | Covestro Deutschland Ag | Process for preparing polyisocyanates |
| US10815193B2 (en) | 2015-06-29 | 2020-10-27 | Covestro Deutschland Ag | Process for providing hydrogen chloride for chemical reactions |
| CN114957047A (zh) * | 2022-06-07 | 2022-08-30 | 江苏常隆农化有限公司 | 一种静态混合器连续合成异丙隆方法及其产线 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10260082A1 (de) | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von Isocyanaten |
| CN101429139B (zh) * | 2008-12-18 | 2012-11-14 | 宁波万华聚氨酯有限公司 | 二环己基甲烷二异氰酸酯及其中间体的制备方法 |
| EP4570784A1 (de) * | 2023-12-14 | 2025-06-18 | Covestro Deutschland AG | Verfahren und vorrichtung zur herstellung von isocyanaten |
-
0
- BE BE790461D patent/BE790461A/xx not_active IP Right Cessation
-
1972
- 1972-10-23 FR FR7237432A patent/FR2158909A5/fr not_active Expired
- 1972-10-24 ES ES407916A patent/ES407916A1/es not_active Expired
- 1972-10-24 DE DE19722252068 patent/DE2252068A1/de active Pending
- 1972-10-25 JP JP10703272A patent/JPS4849721A/ja active Pending
- 1972-10-25 GB GB1341311D patent/GB1341311A/en not_active Expired
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419295A (en) | 1981-05-27 | 1983-12-06 | Bayer Aktiengesellschaft | Continuous process for the production of organic isocyanates |
| US5925783A (en) * | 1994-11-17 | 1999-07-20 | Bayer Aktiengesellschaft | Process for the preparation of isocyanates |
| US6576788B1 (en) | 1998-04-21 | 2003-06-10 | Basf Aktiengesellschaft | Method for producing mixtures consisting of diphenylmethane diisocyanates and polyphenylene-polymethylene-polyisocyanates containing a reduced amount of chlorinated secondary products and with a reduced iodine color index |
| US6833469B2 (en) | 2001-06-19 | 2004-12-21 | Basf Aktiengesellschaft | Method for producing isocynates |
| US8097751B2 (en) | 2004-07-07 | 2012-01-17 | Bayer Materialscience Ag | Process for preparing polyisocyanates by the adiabatic phosgenation of primary amines |
| US7547801B2 (en) | 2006-06-26 | 2009-06-16 | Bayer Materialscience Llc | Process for the continuous preparation of isocyanates |
| US10112892B2 (en) | 2015-06-29 | 2018-10-30 | Covestro Deutschland Ag | Process for preparing polyisocyanates |
| US10815193B2 (en) | 2015-06-29 | 2020-10-27 | Covestro Deutschland Ag | Process for providing hydrogen chloride for chemical reactions |
| CN114957047A (zh) * | 2022-06-07 | 2022-08-30 | 江苏常隆农化有限公司 | 一种静态混合器连续合成异丙隆方法及其产线 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES407916A1 (es) | 1975-11-01 |
| BE790461A (fr) | 1973-02-15 |
| DE2252068A1 (de) | 1973-05-10 |
| JPS4849721A (es) | 1973-07-13 |
| FR2158909A5 (es) | 1973-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |