FR2325637A1 - Procede pour la transformation d'amines en mono-, di- et polyisocyanates par phosgenation - Google Patents
Procede pour la transformation d'amines en mono-, di- et polyisocyanates par phosgenationInfo
- Publication number
- FR2325637A1 FR2325637A1 FR7628343A FR7628343A FR2325637A1 FR 2325637 A1 FR2325637 A1 FR 2325637A1 FR 7628343 A FR7628343 A FR 7628343A FR 7628343 A FR7628343 A FR 7628343A FR 2325637 A1 FR2325637 A1 FR 2325637A1
- Authority
- FR
- France
- Prior art keywords
- amines
- genation
- prepn
- phos
- isocyanate
- 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.)
- Granted
Links
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 |
---|---|---|---|
DD18867275A DD132340B1 (de) | 1975-09-23 | 1975-09-23 | Verfahren zur phosgenierung von aminen zu mono-,di-und polyisocyanaten |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2325637A1 true FR2325637A1 (fr) | 1977-04-22 |
FR2325637B3 FR2325637B3 (fr) | 1979-06-01 |
Family
ID=5501880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7628343A Granted FR2325637A1 (fr) | 1975-09-23 | 1976-09-21 | Procede pour la transformation d'amines en mono-, di- et polyisocyanates par phosgenation |
Country Status (2)
Country | Link |
---|---|
DD (1) | DD132340B1 (fr) |
FR (1) | FR2325637A1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0065727A1 (fr) * | 1981-05-27 | 1982-12-01 | Bayer Ag | Procédé pour la production en continu de mono-ou polyisocyanates organiques |
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 |
EP1555258A1 (fr) * | 2003-12-18 | 2005-07-20 | Bayer MaterialScience AG | Procédé pour la préparation de diisocyanates et/ou triisocyanates |
US20100130772A1 (en) * | 2005-04-08 | 2010-05-27 | Huntsman International Llc | Spiral mixer nozzle and method for mixing two or more fluids and process for manufacturing 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 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4217019A1 (de) * | 1992-05-22 | 1993-11-25 | Bayer Ag | Verfahren zur Herstellung von aromatischen Diisocyanaten |
DE10260082A1 (de) | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von Isocyanaten |
CN104640840B (zh) | 2012-09-24 | 2018-03-02 | 科思创德国股份有限公司 | 通过二胺悬浮体的光气化制备二异氰酸酯的方法 |
-
1975
- 1975-09-23 DD DD18867275A patent/DD132340B1/de unknown
-
1976
- 1976-09-21 FR FR7628343A patent/FR2325637A1/fr active Granted
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0065727A1 (fr) * | 1981-05-27 | 1982-12-01 | Bayer Ag | Procédé pour la production en continu de mono-ou polyisocyanates organiques |
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 |
EP1555258A1 (fr) * | 2003-12-18 | 2005-07-20 | Bayer MaterialScience AG | Procédé pour la préparation de diisocyanates et/ou triisocyanates |
US20100130772A1 (en) * | 2005-04-08 | 2010-05-27 | Huntsman International Llc | Spiral mixer nozzle and method for mixing two or more fluids and process for manufacturing isocyanates |
KR101186693B1 (ko) | 2005-04-08 | 2012-09-27 | 헌트스만 인터내셔날, 엘엘씨 | 스파이럴 믹서 노즐, 2개 이상의 유체를 혼합하는 방법 및이소시아네이트 제조 방법 |
US8844574B2 (en) * | 2005-04-08 | 2014-09-30 | Huntsman International Llc | Spiral mixer nozzle and method for mixing two or more fluids and process for manufacturing isocyanates |
US9498757B2 (en) | 2005-04-08 | 2016-11-22 | Huntsman International Llc | Spiral mixer nozzle and method for mixing two or more fluids and process for manufacturing 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 |
Also Published As
Publication number | Publication date |
---|---|
DD132340B1 (de) | 1983-06-08 |
DD132340A1 (de) | 1978-09-20 |
FR2325637B3 (fr) | 1979-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |