SG99409A1 - Process for the production of polyisocyanates of the diphenylmethane series with a reduced color value - Google Patents
Process for the production of polyisocyanates of the diphenylmethane series with a reduced color valueInfo
- Publication number
- SG99409A1 SG99409A1 SG200204842A SG200204842A SG99409A1 SG 99409 A1 SG99409 A1 SG 99409A1 SG 200204842 A SG200204842 A SG 200204842A SG 200204842 A SG200204842 A SG 200204842A SG 99409 A1 SG99409 A1 SG 99409A1
- Authority
- SG
- Singapore
- Prior art keywords
- polyisocyanates
- production
- color value
- reduced color
- diphenylmethane series
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
- C07C209/78—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
-
- 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)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10141620A DE10141620A1 (de) | 2001-08-24 | 2001-08-24 | Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert |
Publications (1)
Publication Number | Publication Date |
---|---|
SG99409A1 true SG99409A1 (en) | 2003-10-27 |
Family
ID=7696548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200204842A SG99409A1 (en) | 2001-08-24 | 2002-08-08 | Process for the production of polyisocyanates of the diphenylmethane series with a reduced color value |
Country Status (16)
Country | Link |
---|---|
US (1) | US6720455B2 (fr) |
EP (1) | EP1288190B1 (fr) |
JP (1) | JP2003119235A (fr) |
KR (1) | KR100860910B1 (fr) |
CN (1) | CN1232499C (fr) |
BR (1) | BR0203370A (fr) |
CA (1) | CA2399483A1 (fr) |
DE (2) | DE10141620A1 (fr) |
ES (1) | ES2280459T3 (fr) |
HK (1) | HK1053105A1 (fr) |
HU (1) | HUP0202841A3 (fr) |
MX (1) | MXPA02008245A (fr) |
PL (1) | PL355618A1 (fr) |
PT (1) | PT1288190E (fr) |
SG (1) | SG99409A1 (fr) |
TW (1) | TW575594B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10211021A1 (de) * | 2002-03-13 | 2003-09-25 | Bayer Ag | Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert |
DE10228734A1 (de) * | 2002-06-27 | 2004-01-22 | Bayer Ag | Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert |
DE102004032416A1 (de) * | 2004-07-05 | 2006-02-02 | Bayer Materialscience Ag | Verfahren zur Herstellung von Polyaminen der Diphenylmethanreihe bei niedriger Protonierung |
DE102004052370A1 (de) * | 2004-10-28 | 2006-05-04 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe |
CN101326153B (zh) * | 2005-12-08 | 2012-06-13 | 亨茨曼国际有限公司 | 制备二氨基二苯基甲烷的方法 |
DE102006004047A1 (de) * | 2006-01-28 | 2007-08-02 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe |
CN101279923B (zh) * | 2007-04-06 | 2010-08-25 | 宁波万华聚氨酯有限公司 | 一种制备多亚甲基多苯基多胺的方法 |
WO2008122148A1 (fr) | 2007-04-06 | 2008-10-16 | Ningbo Wanhua Polyurethanes Co., Ltd. | Procédé de préparation de polyméthylène polyphényle polyamine |
EP2000459A1 (fr) * | 2007-06-04 | 2008-12-10 | Huntsman International Llc | Procédé pour la préparation de DI et polyamines de la série des diphénylméthanes |
EP2039676A1 (fr) | 2007-09-19 | 2009-03-25 | Huntsman International Llc | Procédé pour la production de di et polyamines de la série des diphénylméthanes |
EP2062869A1 (fr) * | 2007-09-19 | 2009-05-27 | Huntsman International Llc | Procédé pour la production de di- et polyamines de la série des diphénylméthanes |
PT2421818E (pt) | 2009-04-24 | 2014-09-10 | Basf Se | Processo para a preparação de mda e mdi de cor estável |
US8759585B2 (en) | 2009-12-18 | 2014-06-24 | Basf Se | Two-stage process for cost-effective deposition of homogeneous catalysts in MDA synthesis |
CN107827756B (zh) * | 2017-11-17 | 2020-09-08 | 万华化学集团股份有限公司 | 一种低n-甲基杂质含量的二苯基甲烷系列二胺和多胺的制备方法及装置和催化剂 |
CN111646927A (zh) * | 2020-06-12 | 2020-09-11 | 万华节能科技集团股份有限公司 | 阻燃二苯基甲烷二异氰酸酯的衍生物及其合成方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60199861A (ja) * | 1984-03-23 | 1985-10-09 | Mitsui Toatsu Chem Inc | 芳香族ジアミン類の精製方法 |
DE4208359A1 (de) | 1992-03-16 | 1993-09-23 | Bayer Ag | Verfahren zur herstellung von isocyanaten oder isocyanatgemischen und deren verwendung zur herstellung von polyurethanschaumstoffen |
US5310769A (en) | 1992-05-01 | 1994-05-10 | Bayer Aktiengesellschaft | Process for the production of polyamine mixtures of the polyamino-polyaryl-polymethylene series |
DE4232769A1 (de) | 1992-09-30 | 1994-03-31 | Basf Ag | Verfahren zur Herstellung von Mischungen aus Diphenylmethandiisocyanaten und Polyphenyl-polymethylen-polyisocyanaten mit einer verminderten Iodfarbzahl |
US6031136A (en) * | 1993-07-21 | 2000-02-29 | Bayer Corporation | Process for preparing methylene diphenylamines by partial neutralization of acidic methylene diphenylamines |
DE19804915A1 (de) * | 1998-02-07 | 1999-08-12 | Basf Ag | Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat) |
DE19815055A1 (de) | 1998-04-03 | 1999-10-07 | Bayer Ag | Verfahren zur Farbaufhellung von polymeren Diphenylmethandiisocyanat sowie die Verwendung von aufgehellten Diphenylmethandiisocyanat bei der Herstellung von Polyurethankunststoffen |
-
2001
- 2001-08-24 DE DE10141620A patent/DE10141620A1/de not_active Withdrawn
-
2002
- 2002-08-08 SG SG200204842A patent/SG99409A1/en unknown
- 2002-08-12 EP EP02017778A patent/EP1288190B1/fr not_active Expired - Lifetime
- 2002-08-12 DE DE50209217T patent/DE50209217D1/de not_active Expired - Lifetime
- 2002-08-12 ES ES02017778T patent/ES2280459T3/es not_active Expired - Lifetime
- 2002-08-12 PT PT02017778T patent/PT1288190E/pt unknown
- 2002-08-20 US US10/224,003 patent/US6720455B2/en not_active Expired - Fee Related
- 2002-08-22 PL PL02355618A patent/PL355618A1/xx not_active Application Discontinuation
- 2002-08-22 TW TW91118950A patent/TW575594B/zh not_active IP Right Cessation
- 2002-08-22 JP JP2002241861A patent/JP2003119235A/ja active Pending
- 2002-08-22 CA CA002399483A patent/CA2399483A1/fr not_active Abandoned
- 2002-08-23 MX MXPA02008245A patent/MXPA02008245A/es unknown
- 2002-08-23 CN CNB021420475A patent/CN1232499C/zh not_active Expired - Fee Related
- 2002-08-23 HU HU0202841A patent/HUP0202841A3/hu unknown
- 2002-08-23 BR BR0203370-4A patent/BR0203370A/pt not_active IP Right Cessation
- 2002-08-23 KR KR1020020049991A patent/KR100860910B1/ko not_active IP Right Cessation
-
2003
- 2003-07-24 HK HK03105349.4A patent/HK1053105A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
HUP0202841A2 (hu) | 2003-03-28 |
EP1288190A2 (fr) | 2003-03-05 |
MXPA02008245A (es) | 2005-09-08 |
KR100860910B1 (ko) | 2008-09-29 |
EP1288190A3 (fr) | 2003-06-04 |
ES2280459T3 (es) | 2007-09-16 |
DE50209217D1 (de) | 2007-02-22 |
US6720455B2 (en) | 2004-04-13 |
BR0203370A (pt) | 2003-05-27 |
CA2399483A1 (fr) | 2003-02-24 |
TW575594B (en) | 2004-02-11 |
KR20030017415A (ko) | 2003-03-03 |
HUP0202841A3 (en) | 2004-03-01 |
JP2003119235A (ja) | 2003-04-23 |
HU0202841D0 (fr) | 2002-11-28 |
PL355618A1 (en) | 2003-03-10 |
US20030045745A1 (en) | 2003-03-06 |
PT1288190E (pt) | 2007-04-30 |
HK1053105A1 (zh) | 2003-10-10 |
DE10141620A1 (de) | 2003-03-06 |
EP1288190B1 (fr) | 2007-01-10 |
CN1232499C (zh) | 2005-12-21 |
CN1406925A (zh) | 2003-04-02 |
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