CN101003495A - 生产浅色异氰酸酯的方法 - Google Patents
生产浅色异氰酸酯的方法 Download PDFInfo
- Publication number
- CN101003495A CN101003495A CNA2007100083019A CN200710008301A CN101003495A CN 101003495 A CN101003495 A CN 101003495A CN A2007100083019 A CNA2007100083019 A CN A2007100083019A CN 200710008301 A CN200710008301 A CN 200710008301A CN 101003495 A CN101003495 A CN 101003495A
- Authority
- CN
- China
- Prior art keywords
- phosgene
- amine
- sulphur
- reaction
- isocyanic ester
- 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
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
-
- 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
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
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)
Abstract
Description
S(ppm) | E,在430纳米 | E,在520纳米 | |
实施例1 | 0 | 0.100 | 0.008 |
实施例2 | 20 | 0.105 | 0.016 |
实施例3 | 60 | 0.116 | 0.024 |
实施例4 | 80 | 0.130 | 0.030 |
对比例1 | 250 | 0.162 | 0.060 |
对比例2 | 500 | 0.241 | 0.121 |
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006002157A DE102006002157A1 (de) | 2006-01-17 | 2006-01-17 | Verfahren zur Herstellung heller Isocyanate |
DE102006002157.6 | 2006-01-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101003495A true CN101003495A (zh) | 2007-07-25 |
CN101003495B CN101003495B (zh) | 2012-01-11 |
Family
ID=38042933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007100083019A Active CN101003495B (zh) | 2006-01-17 | 2007-01-16 | 生产浅色异氰酸酯的方法 |
Country Status (13)
Country | Link |
---|---|
US (1) | US7368595B2 (zh) |
EP (1) | EP1808430B1 (zh) |
JP (1) | JP2007191479A (zh) |
KR (1) | KR101365783B1 (zh) |
CN (1) | CN101003495B (zh) |
AT (1) | ATE483682T1 (zh) |
BR (1) | BRPI0700046A (zh) |
DE (2) | DE102006002157A1 (zh) |
ES (1) | ES2353421T3 (zh) |
PL (1) | PL1808430T3 (zh) |
PT (1) | PT1808430E (zh) |
SG (1) | SG134261A1 (zh) |
TW (1) | TW200738597A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103874680A (zh) * | 2011-10-21 | 2014-06-18 | 拜耳知识产权有限责任公司 | 生产浅色多异氰酸酯的方法 |
CN106554293A (zh) * | 2015-09-24 | 2017-04-05 | 万华化学集团股份有限公司 | 一种制备无色或浅色多异氰酸酯的方法 |
WO2020124622A1 (zh) * | 2018-12-20 | 2020-06-25 | 万华化学集团股份有限公司 | 一种制备异佛尔酮二异氰酸酯的方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2400332T3 (es) * | 2008-11-19 | 2013-04-09 | Basf Se | Método para la producción de un isocianato |
US8802890B2 (en) * | 2008-11-26 | 2014-08-12 | Huntsman International Llc | Process for manufacturing isocyanates |
CN102471241B (zh) * | 2009-07-14 | 2015-11-25 | 巴斯夫欧洲公司 | 制备二苯甲烷系列的浅色异氰酸酯的方法 |
EP2896597A1 (de) | 2014-01-21 | 2015-07-22 | Bayer MaterialScience AG | Verfahren zum An- und Abfahren eines Phosgengenerators |
CN103922969B (zh) * | 2014-04-10 | 2016-01-20 | 万华化学集团股份有限公司 | 一种制备颜色稳定的1,6-己二异氰酸酯的方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4465639A (en) | 1983-01-26 | 1984-08-14 | The Upjohn Company | Process for polyisocyanates |
DE3329124A1 (de) | 1983-08-11 | 1985-02-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur reinigung von polyisocyanaten und die so gereinigten polyisocyanate |
DE4006976A1 (de) | 1990-03-06 | 1991-09-12 | Basf Ag | Verfahren zur herstellung von mischungen aus diphenylmethan-diisocyanaten und polyphenyl-polymethylen-polyisocyanaten mit einer verminderten iodfarbzahl |
DE4008074A1 (de) | 1990-03-14 | 1991-09-19 | Basf Ag | Verfahren zur qualitaetsverbesserung von rohen diaminodiphenylmethanen |
DE4021712A1 (de) | 1990-07-07 | 1992-01-09 | Basf Ag | Verfahren zur herstellung von mischungen aus diphenylmethan-diisocyanaten und polyphenol-polymethylen-polyisocyanaten mit einer verminderten iodfarbzahl |
EP0538500B1 (en) | 1991-10-19 | 1995-02-01 | Basf Corporation | Process for the preparation of polymeric methylendiphenylene diisocyanate having reduced color and chloride content |
US5386059A (en) | 1991-12-10 | 1995-01-31 | Miles Inc. | Process for preparing polyamines for lighter color polyisocyanate based foam |
DE4208359A1 (de) | 1992-03-16 | 1993-09-23 | Bayer Ag | Verfahren zur herstellung von isocyanaten oder isocyanatgemischen und deren verwendung zur herstellung von polyurethanschaumstoffen |
KR970001071B1 (ko) | 1992-06-23 | 1997-01-25 | 미쓰이도오아쓰가가꾸 가부시끼가이샤 | 메틸렌 가교 폴리페닐렌 폴리이소시아네이트의 제조방법 |
US5312971A (en) | 1992-07-23 | 1994-05-17 | Miles Inc. | Color reduction of polymethylene polyphenyl polyisocyanates |
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 |
JP2000230046A (ja) | 1999-02-15 | 2000-08-22 | Teijin Chem Ltd | ポリカーボネート樹脂及びその製造方法 |
DE19928741A1 (de) * | 1999-06-23 | 2000-12-28 | Basf Ag | Helle Isocyanate, Verfahren zu deren Herstellung und deren Verwendung |
DE10301434A1 (de) * | 2003-01-16 | 2004-07-29 | Bayer Ag | Verfahren zur CO-Gas-Entschwefelung |
US7250530B2 (en) | 2003-07-30 | 2007-07-31 | General Electric Company | Processes and systems for making phosgene |
JP4785515B2 (ja) * | 2005-12-08 | 2011-10-05 | 住友化学株式会社 | 塩素の製造方法 |
-
2006
- 2006-01-17 DE DE102006002157A patent/DE102006002157A1/de not_active Withdrawn
-
2007
- 2007-01-10 US US11/651,720 patent/US7368595B2/en active Active
- 2007-01-15 JP JP2007006121A patent/JP2007191479A/ja not_active Withdrawn
- 2007-01-15 SG SG200700267-8A patent/SG134261A1/en unknown
- 2007-01-16 CN CN2007100083019A patent/CN101003495B/zh active Active
- 2007-01-16 AT AT07000740T patent/ATE483682T1/de active
- 2007-01-16 PT PT07000740T patent/PT1808430E/pt unknown
- 2007-01-16 ES ES07000740T patent/ES2353421T3/es active Active
- 2007-01-16 DE DE502007005238T patent/DE502007005238D1/de active Active
- 2007-01-16 KR KR1020070004756A patent/KR101365783B1/ko active IP Right Grant
- 2007-01-16 EP EP07000740A patent/EP1808430B1/de not_active Revoked
- 2007-01-16 PL PL07000740T patent/PL1808430T3/pl unknown
- 2007-01-16 BR BRPI0700046-4A patent/BRPI0700046A/pt not_active IP Right Cessation
- 2007-01-16 TW TW96101521A patent/TW200738597A/zh unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103874680A (zh) * | 2011-10-21 | 2014-06-18 | 拜耳知识产权有限责任公司 | 生产浅色多异氰酸酯的方法 |
CN103874680B (zh) * | 2011-10-21 | 2016-07-06 | 拜耳知识产权有限责任公司 | 生产浅色多异氰酸酯的方法 |
CN106554293A (zh) * | 2015-09-24 | 2017-04-05 | 万华化学集团股份有限公司 | 一种制备无色或浅色多异氰酸酯的方法 |
CN106554293B (zh) * | 2015-09-24 | 2018-04-20 | 万华化学集团股份有限公司 | 一种制备无色或浅色多异氰酸酯的方法 |
WO2020124622A1 (zh) * | 2018-12-20 | 2020-06-25 | 万华化学集团股份有限公司 | 一种制备异佛尔酮二异氰酸酯的方法 |
US11939280B2 (en) | 2018-12-20 | 2024-03-26 | Wanhua Chemical Group Co., Ltd. | Method for preparing isophorone diisocyanate |
Also Published As
Publication number | Publication date |
---|---|
PL1808430T3 (pl) | 2011-04-29 |
KR20070076510A (ko) | 2007-07-24 |
ATE483682T1 (de) | 2010-10-15 |
ES2353421T3 (es) | 2011-03-02 |
PT1808430E (pt) | 2010-12-29 |
CN101003495B (zh) | 2012-01-11 |
TW200738597A (en) | 2007-10-16 |
EP1808430B1 (de) | 2010-10-06 |
SG134261A1 (en) | 2007-08-29 |
KR101365783B1 (ko) | 2014-02-20 |
US20070167646A1 (en) | 2007-07-19 |
US7368595B2 (en) | 2008-05-06 |
DE502007005238D1 (de) | 2010-11-18 |
JP2007191479A (ja) | 2007-08-02 |
EP1808430A1 (de) | 2007-07-18 |
BRPI0700046A (pt) | 2007-11-06 |
DE102006002157A1 (de) | 2007-07-19 |
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Owner name: CARCOUSTICS TECHCONSULT GMBH Free format text: FORMER NAME: BAYER AG |
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Address after: Germany Leverkusen Patentee after: BAYER MATERIALSCIENCE AG Address before: Germany Leverkusen Patentee before: BAYER MATERIALSCIENCE AG |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20070725 Assignee: Bayer Intellectual Property GmbH Assignor: BAYER MATERIALSCIENCE AG Contract record no.: 2012990000854 Denomination of invention: Method for producing light-coloured isocyanates Granted publication date: 20120111 License type: Common License Record date: 20121128 |
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