PT1288190E - Método para produção de poli-isocianatos da série dos difenilmetanos com reduzido valor cromático - Google Patents

Método para produção de poli-isocianatos da série dos difenilmetanos com reduzido valor cromático Download PDF

Info

Publication number
PT1288190E
PT1288190E PT02017778T PT02017778T PT1288190E PT 1288190 E PT1288190 E PT 1288190E PT 02017778 T PT02017778 T PT 02017778T PT 02017778 T PT02017778 T PT 02017778T PT 1288190 E PT1288190 E PT 1288190E
Authority
PT
Portugal
Prior art keywords
temperature
neutralization
polyisocyanates
diphenylmethane series
base
Prior art date
Application number
PT02017778T
Other languages
English (en)
Portuguese (pt)
Inventor
Torsten Hagen
Friedhelm Kaemper
Daniel Koch
Heinz-Herbert Mueller
Original Assignee
Bayer Materialscience Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer Materialscience Ag filed Critical Bayer Materialscience Ag
Publication of PT1288190E publication Critical patent/PT1288190E/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular 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
    • C08G73/02Polyamines
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/68Preparation 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
    • C07C209/78Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/10Preparation 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)
PT02017778T 2001-08-24 2002-08-12 Método para produção de poli-isocianatos da série dos difenilmetanos com reduzido valor cromático PT1288190E (pt)

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
PT1288190E true PT1288190E (pt) 2007-04-30

Family

ID=7696548

Family Applications (1)

Application Number Title Priority Date Filing Date
PT02017778T PT1288190E (pt) 2001-08-24 2002-08-12 Método para produção de poli-isocianatos da série dos difenilmetanos com reduzido valor cromático

Country Status (16)

Country Link
US (1) US6720455B2 (enExample)
EP (1) EP1288190B1 (enExample)
JP (1) JP2003119235A (enExample)
KR (1) KR100860910B1 (enExample)
CN (1) CN1232499C (enExample)
BR (1) BR0203370A (enExample)
CA (1) CA2399483A1 (enExample)
DE (2) DE10141620A1 (enExample)
ES (1) ES2280459T3 (enExample)
HK (1) HK1053105A1 (enExample)
HU (1) HUP0202841A3 (enExample)
MX (1) MXPA02008245A (enExample)
PL (1) PL355618A1 (enExample)
PT (1) PT1288190E (enExample)
SG (1) SG99409A1 (enExample)
TW (1) TW575594B (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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
EP1960346B2 (en) * 2005-12-08 2019-03-27 Huntsman International Llc Process for preparing diaminodiphenylmethanes
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
EP2145874B1 (en) * 2007-04-06 2011-07-27 Ningbo Wanhua Polyurethanes Co., Ltd. Process for the preparation of polymethylene polyphenyl polyamine
EP2000459A1 (en) * 2007-06-04 2008-12-10 Huntsman International Llc Process for the preparation of di-and polyamines of the diphenylmethane series
EP2039676A1 (en) 2007-09-19 2009-03-25 Huntsman International Llc Process for the production of di-and polyamines of the diphenylmethane series
EP2062869A1 (en) * 2007-09-19 2009-05-27 Huntsman International Llc Process for the production of di-and polyamines of the diphenylmethane series
ES2522820T3 (es) 2009-04-24 2014-11-18 Basf Se Procedimiento para la preparación de MDA y MDI de color estable
WO2011080059A1 (de) 2009-12-18 2011-07-07 Basf Se Zweistufiges verfahren zur kostengünstigen abscheidung von homogenen katalysatoren bei der mda-synthese
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
WO2025073928A1 (en) 2023-10-06 2025-04-10 Basf Se Process for preparing mda
CN119100935A (zh) * 2024-09-04 2024-12-10 万华化学集团股份有限公司 一种二苯基甲烷系列的二胺和多胺的制备方法及应用

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE10141620A1 (de) 2003-03-06
HU0202841D0 (enExample) 2002-11-28
EP1288190A2 (de) 2003-03-05
US6720455B2 (en) 2004-04-13
MXPA02008245A (es) 2005-09-08
CA2399483A1 (en) 2003-02-24
EP1288190A3 (de) 2003-06-04
DE50209217D1 (de) 2007-02-22
KR100860910B1 (ko) 2008-09-29
KR20030017415A (ko) 2003-03-03
US20030045745A1 (en) 2003-03-06
ES2280459T3 (es) 2007-09-16
HUP0202841A3 (en) 2004-03-01
PL355618A1 (en) 2003-03-10
BR0203370A (pt) 2003-05-27
HUP0202841A2 (hu) 2003-03-28
HK1053105A1 (zh) 2003-10-10
TW575594B (en) 2004-02-11
JP2003119235A (ja) 2003-04-23
SG99409A1 (en) 2003-10-27
EP1288190B1 (de) 2007-01-10
CN1232499C (zh) 2005-12-21
CN1406925A (zh) 2003-04-02

Similar Documents

Publication Publication Date Title
PT1288190E (pt) Método para produção de poli-isocianatos da série dos difenilmetanos com reduzido valor cromático
US7528283B2 (en) Process for preparing diamines and polyamines from the diphenylmethane series
KR101183761B1 (ko) 저양성자화도에서의 디페닐메탄계 폴리아민의 제조 방법
KR100937088B1 (ko) 감소된 색상 값을 갖는 디페닐 메탄 계열의폴리이소시아네이트의 제조 방법
US20090240077A1 (en) Process for producing diamines and polyamines of the diphenylmethane series
PT1403242E (pt) Processo para a preparação de poliisocianatos da série do difenilmetano por fosgenização de poliaminas não neutralizadas da série dos difenilmetanos
BRPI0610906B1 (pt) processo para preparar misturas compreendendo diisocianatos de difenilmetano e poliisocianatos de polifenilpolimetileno
BRPI0504847B1 (pt) Processo para a produção de di- e poliaminas da série difenilmetano
HU229637B1 (hu) Eljárás MDI, különösen 2,4'-MDI elõállítására
BRPI0500300B1 (pt) Produção de di- e poliisocianatos da série defenilmetano com acidez definida
US9279029B2 (en) Method for producing light-coloured polyisocyanates
CN117430767A (zh) 制备二苯基甲烷系列的二胺和多胺的方法
US7205439B2 (en) Process for the preparation of di- and polyamines of the diphenylmethane series
US20040002579A1 (en) Process for the preparation of polyisocyanates of the diphenylmethane group having a reduced color value
EP2028206A1 (en) Polyaromatic polyisocyanate compositions
US3277137A (en) Process for the preparation of halogenated isocyanates
HK1137170A (en) Process for producing diamines and polyamines of the diphenylmethane series