JPS5715827B2 - - Google Patents
Info
- Publication number
- JPS5715827B2 JPS5715827B2 JP13469277A JP13469277A JPS5715827B2 JP S5715827 B2 JPS5715827 B2 JP S5715827B2 JP 13469277 A JP13469277 A JP 13469277A JP 13469277 A JP13469277 A JP 13469277A JP S5715827 B2 JPS5715827 B2 JP S5715827B2
- Authority
- JP
- Japan
- 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
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)
- Polyurethanes Or Polyureas (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13469277A JPS5470220A (en) | 1977-11-11 | 1977-11-11 | Preparation of organic isocyanate |
| US05/955,266 US4193932A (en) | 1977-11-11 | 1978-10-27 | Process for preparing organic isocyanates |
| DE2847243A DE2847243C2 (de) | 1977-11-11 | 1978-10-31 | Verfahren zur Verringerung des Gehalts an sauer wirkenden Verbindungen und Verbindungen mit hydrolysierbarem Chlor in einem organischen Isocyanat |
| HU78MI641A HU179251B (en) | 1977-11-11 | 1978-11-10 | Process for preparing organic isocyanates |
| RO7895634A RO77280A (ro) | 1977-11-11 | 1978-11-10 | Procedeu pentru prepararea unor izocianati aromatici de inalta puritate |
| YU2627/78A YU39429B (en) | 1977-11-11 | 1978-11-10 | Process for the manufacture of aromatic isocyanates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13469277A JPS5470220A (en) | 1977-11-11 | 1977-11-11 | Preparation of organic isocyanate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5470220A JPS5470220A (en) | 1979-06-05 |
| JPS5715827B2 true JPS5715827B2 (US20090163788A1-20090625-C00002.png) | 1982-04-01 |
Family
ID=15134347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13469277A Granted JPS5470220A (en) | 1977-11-11 | 1977-11-11 | Preparation of organic isocyanate |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6240110U (US20090163788A1-20090625-C00002.png) * | 1985-08-29 | 1987-03-10 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557105B1 (fr) * | 1983-12-21 | 1986-11-28 | Atochem | Composition d'isocyanates de bas point de fusion a structure diphenylethane, son procede de fabrication; application a la fabrication de polyurethannes |
| US4876380A (en) * | 1988-08-31 | 1989-10-24 | The Dow Chemical Company | Color reduction of polymeric isocyanates via multiple solvent fractionation |
| US5185384A (en) * | 1991-01-28 | 1993-02-09 | The Dow Chemical Company | Method for reducing hydrolyzable chloride in toluene diisocyanate |
| US5216042A (en) * | 1991-07-10 | 1993-06-01 | The Dow Chemical Company | Process for preparing viscosity-stabilized reactive toluene diisocyanate distillation residues and blends thereof |
| US5169878A (en) * | 1991-04-08 | 1992-12-08 | The Dow Chemical Company | Composition and method of preparation of viscosity-stabilized polyisocyanates comprising triazine groups |
| US5136087A (en) * | 1991-05-15 | 1992-08-04 | Miles Inc. | Preparation of polymethylene polyphenyl polyisocyanate |
| KR970001071B1 (ko) * | 1992-06-23 | 1997-01-25 | 미쓰이도오아쓰가가꾸 가부시끼가이샤 | 메틸렌 가교 폴리페닐렌 폴리이소시아네이트의 제조방법 |
| EP0618170B1 (en) * | 1993-03-31 | 1996-09-04 | Basf Corporation | Process for producing reagent grade hydrochloric acid from the manufacture of organic isocyanates |
| DE19817691A1 (de) | 1998-04-21 | 1999-10-28 | Basf Ag | Verfahren zur Herstellung von Mischungen aus Diphenylmehandiisocyanaten und Polyphenylen-polymethylen-polyisocyanaten mit vermindertem Gehalt an chlorierten Nebenprodukten und verminderter Jodfarbzahl |
| DE19928741A1 (de) * | 1999-06-23 | 2000-12-28 | Basf Ag | Helle Isocyanate, Verfahren zu deren Herstellung und deren Verwendung |
| JP5258327B2 (ja) * | 2008-02-28 | 2013-08-07 | 東ソー株式会社 | ポリイソシアネートの製造方法 |
| JP2010120870A (ja) * | 2008-11-18 | 2010-06-03 | Nippon Polyurethane Ind Co Ltd | メチレン架橋ポリフェニルポリイソシアネートの製造方法 |
| CN104334565A (zh) | 2012-05-29 | 2015-02-04 | 莫门蒂夫性能材料有限责任公司 | 异氰酸基硅烷的制备 |
| FR3049950B1 (fr) * | 2016-04-07 | 2020-09-25 | Vencorex France | Procede de preparation des xylylene diisocyanates xdi |
| WO2021122625A1 (de) | 2019-12-18 | 2021-06-24 | Covestro Deutschland Ag | Verfahren zur herstellung von di- und polyisocyanaten der diphenylmethanreihe |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2620349A (en) * | 1950-12-06 | 1952-12-02 | Monsanto Chemicals | Compositions comprising organic isocyanates and method for preparing same |
| US3234253A (en) * | 1962-09-06 | 1966-02-08 | Du Pont | Two-stage phosgenation process for preparing aromatic isocyanates |
| US3219678A (en) * | 1963-02-28 | 1965-11-23 | Olin Mathieson | Process for reducing the hydrolyzable chlorine content of organic isocyanates |
| DE1270036B (de) * | 1965-11-23 | 1968-06-12 | Olin Mathieson | Verfahren zum Vermindern der Konzentration an hydrolysierbaren Chloriden in organischen Isocyanaten |
| US3549504A (en) * | 1966-05-05 | 1970-12-22 | Takeda Chemical Industries Ltd | Method for the purification of organic polyisocyanates by fractional distillation in presence of an inert gas or superheated vapor of an organic solvent |
| FR1555515A (US20090163788A1-20090625-C00002.png) * | 1966-05-05 | 1969-01-31 | ||
| US3857871A (en) * | 1972-01-03 | 1974-12-31 | Upjohn Co | Process for reducing the acidity and hydrolyzable chloride content of polyisocyanates |
-
1977
- 1977-11-11 JP JP13469277A patent/JPS5470220A/ja active Granted
-
1978
- 1978-10-27 US US05/955,266 patent/US4193932A/en not_active Expired - Lifetime
- 1978-10-31 DE DE2847243A patent/DE2847243C2/de not_active Expired
- 1978-11-10 RO RO7895634A patent/RO77280A/ro unknown
- 1978-11-10 HU HU78MI641A patent/HU179251B/hu unknown
- 1978-11-10 YU YU2627/78A patent/YU39429B/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6240110U (US20090163788A1-20090625-C00002.png) * | 1985-08-29 | 1987-03-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2847243C2 (de) | 1983-01-20 |
| US4193932A (en) | 1980-03-18 |
| YU262778A (en) | 1982-06-30 |
| JPS5470220A (en) | 1979-06-05 |
| DE2847243A1 (de) | 1979-05-17 |
| YU39429B (en) | 1984-12-31 |
| HU179251B (en) | 1982-09-28 |
| RO77280A (ro) | 1981-08-17 |
