DK0467125T3 - Fremgangsmåde til fremstilling af blandinger af diphenylmethan-diisocyanater og polyphenylpolymethylen-polyisocyanater med et reduceret iodfarvetal - Google Patents

Fremgangsmåde til fremstilling af blandinger af diphenylmethan-diisocyanater og polyphenylpolymethylen-polyisocyanater med et reduceret iodfarvetal

Info

Publication number
DK0467125T3
DK0467125T3 DK91110635.9T DK91110635T DK0467125T3 DK 0467125 T3 DK0467125 T3 DK 0467125T3 DK 91110635 T DK91110635 T DK 91110635T DK 0467125 T3 DK0467125 T3 DK 0467125T3
Authority
DK
Denmark
Prior art keywords
weight
crude mdi
iodine number
diphenyl methane
reduced iodine
Prior art date
Application number
DK91110635.9T
Other languages
English (en)
Inventor
Bernd Dr Bruchmann
Dietrich Dr Scherzer
Roland Dr Minges
Wolfgang Heider
Willy Van Dr Pee
Peter Dr Keller
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of DK0467125T3 publication Critical patent/DK0467125T3/da

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
    • 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • 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

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)
DK91110635.9T 1990-07-07 1991-06-27 Fremgangsmåde til fremstilling af blandinger af diphenylmethan-diisocyanater og polyphenylpolymethylen-polyisocyanater med et reduceret iodfarvetal DK0467125T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4021712A DE4021712A1 (de) 1990-07-07 1990-07-07 Verfahren zur herstellung von mischungen aus diphenylmethan-diisocyanaten und polyphenol-polymethylen-polyisocyanaten mit einer verminderten iodfarbzahl

Publications (1)

Publication Number Publication Date
DK0467125T3 true DK0467125T3 (da) 1994-10-10

Family

ID=6409879

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91110635.9T DK0467125T3 (da) 1990-07-07 1991-06-27 Fremgangsmåde til fremstilling af blandinger af diphenylmethan-diisocyanater og polyphenylpolymethylen-polyisocyanater med et reduceret iodfarvetal

Country Status (9)

Country Link
US (1) US5208368A (da)
EP (1) EP0467125B1 (da)
JP (1) JP2983078B2 (da)
KR (1) KR100205680B1 (da)
AT (1) ATE111075T1 (da)
CA (1) CA2046365C (da)
DE (2) DE4021712A1 (da)
DK (1) DK0467125T3 (da)
ES (1) ES2058993T3 (da)

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DE19523851A1 (de) * 1995-06-30 1997-01-02 Basf Ag Verfahren zur Herstellung von Mischungen aus Diphenylmethan-diisocyanaten und Polyphenyl-polymethylen-polyisocyanaten mit einer verminderten Iodfarbzahl und einem reduzierten Chlorgehalt
US5726240A (en) * 1996-11-25 1998-03-10 Bayer Corporation Reactivity stabilization of polymethylene poly(phenylisocyanates)
DE19711447A1 (de) * 1997-03-19 1998-09-24 Basf Ag Verfahren zur Herstellung von Isocyanaten mit heller Farbe
DE19804915A1 (de) * 1998-02-07 1999-08-12 Basf Ag Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
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
US6166128A (en) * 1998-12-08 2000-12-26 Bayer Corporation Color reduction of polymethylene poly (phenylisocyanates)
US6127463A (en) * 1999-03-23 2000-10-03 Bayer Corporation Polymeric MDI color reduction
DE19928741A1 (de) 1999-06-23 2000-12-28 Basf Ag Helle Isocyanate, Verfahren zu deren Herstellung und deren Verwendung
US20030006526A1 (en) * 2001-04-30 2003-01-09 Fusion Specialties, Inc. Molded Display Forms
DE10228734A1 (de) * 2002-06-27 2004-01-22 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert
JP4920187B2 (ja) * 2004-07-21 2012-04-18 三井化学株式会社 メチレン架橋ポリフェニレンポリイソシアネートの製造方法
DK1910455T3 (da) * 2005-07-21 2012-11-19 Basf Se Stabilesering af polyolefiner med væskeformige tris(monoalkyl)-phenylphosphitter
DE102006002157A1 (de) * 2006-01-17 2007-07-19 Bayer Materialscience Ag Verfahren zur Herstellung heller Isocyanate
US8008383B2 (en) 2006-06-20 2011-08-30 Chemtura Corporation Liquid amylaryl phosphite compositions
US8008384B2 (en) 2006-06-20 2011-08-30 Chemtura Corporation Liquid butylaryl phosphite compositions
US8183311B2 (en) * 2006-06-20 2012-05-22 Chemtura Corporation Liquid phosphite composition derived from cresols
US8188170B2 (en) 2006-06-20 2012-05-29 Chemtura Corporation Polymers with low gel content and enhanced gas-fading
US20100076131A1 (en) * 2006-06-20 2010-03-25 Chemtura Corporation Liquid butylaryl phosphite compositions and alkylate compositions for manufacturing same
US7947769B2 (en) * 2006-06-20 2011-05-24 Chemtura Corporation Liquid amylaryl phosphite compositions and alkylate compositions for manufacturing same
US8178005B2 (en) * 2006-06-20 2012-05-15 Chemtura Corporation Liquid phosphite compositions having different alkyl groups
US7888414B2 (en) * 2006-06-20 2011-02-15 Chemtura Corporation Liquid phosphite blends as stabilizers
CN102317255B (zh) 2008-11-26 2014-10-08 亨茨曼国际有限公司 制备异氰酸酯的方法
US8496860B2 (en) * 2009-07-31 2013-07-30 Fusion Specialties, Inc. Foam-backed, hollow articles made by cold rotational molding
WO2013057165A1 (de) 2011-10-21 2013-04-25 Bayer Intellectual Property Gmbh Verfahren zur herstellung farbheller polyisocyanate
KR20170021850A (ko) * 2014-06-24 2017-02-28 코베스트로 도이칠란트 아게 디페닐메탄 시리즈의 디- 및 폴리아민의 제조 방법
KR102364914B1 (ko) * 2019-12-06 2022-02-18 에스케이씨 주식회사 디이소시아네이트 조성물 및 광학 렌즈의 제조방법
KR102217752B1 (ko) * 2019-12-05 2021-02-19 에스케이씨 주식회사 디이소시아네이트 조성물 및 광학 렌즈의 제조방법
KR102217747B1 (ko) * 2019-12-05 2021-02-19 에스케이씨 주식회사 디이소시아네이트 조성물 및 광학 렌즈의 제조방법
KR102456419B1 (ko) * 2019-12-06 2022-10-19 에스케이씨 주식회사 디이소시아네이트 조성물 및 광학 렌즈의 제조방법
KR102456421B1 (ko) * 2019-12-06 2022-10-19 에스케이씨 주식회사 디이소시아네이트 조성물 및 광학 렌즈의 제조방법
KR102456416B1 (ko) * 2019-12-06 2022-10-19 에스케이씨 주식회사 디아민 조성물, 및 이를 이용한 디이소시아네이트 조성물 및 광학 재료의 제조방법
CN111635502B (zh) * 2020-06-10 2022-04-22 万华化学集团股份有限公司 一种多异氰酸酯组合物及其制备方法和用途

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US2999873A (en) * 1956-07-09 1961-09-12 Gen Aniline & Film Corp Process for the preparation of organic isocyanates
US3226411A (en) * 1963-03-20 1965-12-28 Olin Mathieson Isocyanates stabilized with polybutylated 4,4'-isopropylidene bisphenol
US3394164A (en) * 1965-10-24 1968-07-23 Upjohn Co Stabilized methylenebis-(phenyl isocyanate) compositions
US3449256A (en) * 1966-01-19 1969-06-10 Upjohn Co Methylenebis(phenyl isocyanate) compositions and preparation thereof
US3585229A (en) * 1968-06-21 1971-06-15 Kaiser Aluminium Chem Corp Decolorization of aromatic isocyanates
US3793362A (en) * 1971-10-18 1974-02-19 Upjohn Co Reduction of acidic impurities in polymethylene polyphenylisocyanates
US4465639A (en) * 1983-01-26 1984-08-14 The Upjohn Company Process for polyisocyanates
DE3306845A1 (de) * 1983-02-26 1984-08-30 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate, sowie ihre verwendung zur herstellung von polyurethanen oder von polyaminen
DE3440912A1 (de) * 1984-11-09 1986-05-15 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von waermefarbbestaendigen aliphatischen und/oder cycloaliphatischen diisocyanaten und ihre verwendung zur herstellung von farbverbesserten, modifizierten polyisocyanaten
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

Also Published As

Publication number Publication date
KR920002654A (ko) 1992-02-28
CA2046365A1 (en) 1992-01-08
JPH04253952A (ja) 1992-09-09
KR100205680B1 (ko) 1999-07-01
EP0467125A1 (de) 1992-01-22
DE4021712A1 (de) 1992-01-09
EP0467125B1 (de) 1994-09-07
ES2058993T3 (es) 1994-11-01
DE59102818D1 (de) 1994-10-13
ATE111075T1 (de) 1994-09-15
US5208368A (en) 1993-05-04
JP2983078B2 (ja) 1999-11-29
CA2046365C (en) 1996-08-13

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