CN101790510B - 制备异氰酸酯的方法 - Google Patents
制备异氰酸酯的方法 Download PDFInfo
- Publication number
- CN101790510B CN101790510B CN2008801048496A CN200880104849A CN101790510B CN 101790510 B CN101790510 B CN 101790510B CN 2008801048496 A CN2008801048496 A CN 2008801048496A CN 200880104849 A CN200880104849 A CN 200880104849A CN 101790510 B CN101790510 B CN 101790510B
- Authority
- CN
- China
- Prior art keywords
- tdi
- evaporator
- temperature
- mixture
- helical tube
- 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 - Fee Related
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07115380 | 2007-08-31 | ||
| EP07115380.3 | 2007-08-31 | ||
| PCT/EP2008/061188 WO2009027418A1 (de) | 2007-08-31 | 2008-08-27 | Verfahren zur herstellung von isocyanaten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101790510A CN101790510A (zh) | 2010-07-28 |
| CN101790510B true CN101790510B (zh) | 2013-07-24 |
Family
ID=40090056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801048496A Expired - Fee Related CN101790510B (zh) | 2007-08-31 | 2008-08-27 | 制备异氰酸酯的方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8273915B2 (enExample) |
| EP (1) | EP2197836B1 (enExample) |
| JP (1) | JP5398714B2 (enExample) |
| KR (1) | KR101578565B1 (enExample) |
| CN (1) | CN101790510B (enExample) |
| MX (1) | MX2010001396A (enExample) |
| WO (1) | WO2009027418A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100810828B1 (ko) * | 2006-03-17 | 2008-03-06 | 와이케이케이 가부시끼가이샤 | 정음 면파스너 |
| CN102803200B (zh) | 2009-04-24 | 2014-12-31 | 巴斯夫欧洲公司 | 制备颜色稳定的mda和mdi的方法 |
| JP5386038B2 (ja) | 2009-06-24 | 2014-01-15 | ビーエーエスエフ ソシエタス・ヨーロピア | ホスゲン処理プラントへの水の進入を測定する方法 |
| PT2445869E (pt) | 2009-06-26 | 2015-02-05 | Basf Se | Processo para a produção de isocianatos, de preferência di-isocianatos e poli-isocianatos com recirculação de solvente |
| WO2011006807A2 (en) | 2009-07-14 | 2011-01-20 | Basf Se | Process for preparing light-coloured isocyanates of the diphenylmethane series |
| CN102471071B (zh) | 2009-07-16 | 2015-01-28 | 巴斯夫欧洲公司 | 制备二苯基甲烷二异氰酸酯系列的浅色异氰酸酯的方法 |
| HUE035678T2 (en) | 2012-03-19 | 2018-05-28 | Covestro Deutschland Ag | Process for the preparation of isocyanates |
| CN113444022B (zh) * | 2020-03-24 | 2022-11-08 | 万华化学(宁波)有限公司 | 一种制备低色号长保质期耐低温的mdi-50的方法 |
| CN111961185B (zh) * | 2020-08-27 | 2022-07-12 | 万华化学集团股份有限公司 | 一种多亚甲基多苯基多异氰酸酯组合物及其制备方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307497A (zh) * | 1998-06-23 | 2001-08-08 | 拜尔公司 | 从溶液中分离聚合物的方法 |
| CN1729166A (zh) * | 2002-12-19 | 2006-02-01 | 巴斯福股份公司 | 从反应混合物中分离异氰酸酯的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3140305A (en) | 1962-12-17 | 1964-07-07 | Fmc Corp | Preparation of diisocyanates |
| DE2452805A1 (de) * | 1974-11-07 | 1976-05-20 | Basf Ag | Verfahren zur abtrennung von rueckstaenden der toluylendiisocyanatherstellung |
| DE4127514A1 (de) | 1991-08-20 | 1993-02-25 | Bayer Ag | Verfahren zur gewinnung von polyisocyanaten aus destillationsrueckstaenden der toluylendiisocyanatherstellung |
| DE4142769A1 (de) | 1991-12-23 | 1993-06-24 | Bayer Hispania Ind S A | Verfahren zur herstellung von isocyanaten und aufarbeitung des rueckstandes |
| US5962728A (en) * | 1997-10-31 | 1999-10-05 | Arco Chemical Technology, L.P. | Isocyanate residue purification |
| DE10260092A1 (de) | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur Reinigung von Isocyanaten |
-
2008
- 2008-08-27 KR KR1020107007079A patent/KR101578565B1/ko not_active Expired - Fee Related
- 2008-08-27 EP EP08803255.2A patent/EP2197836B1/de not_active Not-in-force
- 2008-08-27 CN CN2008801048496A patent/CN101790510B/zh not_active Expired - Fee Related
- 2008-08-27 MX MX2010001396A patent/MX2010001396A/es not_active Application Discontinuation
- 2008-08-27 JP JP2010522352A patent/JP5398714B2/ja not_active Expired - Fee Related
- 2008-08-27 US US12/675,095 patent/US8273915B2/en not_active Expired - Fee Related
- 2008-08-27 WO PCT/EP2008/061188 patent/WO2009027418A1/de not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307497A (zh) * | 1998-06-23 | 2001-08-08 | 拜尔公司 | 从溶液中分离聚合物的方法 |
| CN1729166A (zh) * | 2002-12-19 | 2006-02-01 | 巴斯福股份公司 | 从反应混合物中分离异氰酸酯的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010536928A (ja) | 2010-12-02 |
| US20110124908A1 (en) | 2011-05-26 |
| CN101790510A (zh) | 2010-07-28 |
| KR20100082831A (ko) | 2010-07-20 |
| MX2010001396A (es) | 2010-03-01 |
| JP5398714B2 (ja) | 2014-01-29 |
| US8273915B2 (en) | 2012-09-25 |
| EP2197836A1 (de) | 2010-06-23 |
| KR101578565B1 (ko) | 2015-12-17 |
| EP2197836B1 (de) | 2013-04-24 |
| WO2009027418A1 (de) | 2009-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20160827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |