KR970001315A - 요오드 색수 및 염소 함량이 감소된 디페닐메탄 디이소시안산염의 혼합물을 제조하는 방법 - Google Patents

요오드 색수 및 염소 함량이 감소된 디페닐메탄 디이소시안산염의 혼합물을 제조하는 방법 Download PDF

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KR970001315A
KR970001315A KR1019960026928A KR19960026928A KR970001315A KR 970001315 A KR970001315 A KR 970001315A KR 1019960026928 A KR1019960026928 A KR 1019960026928A KR 19960026928 A KR19960026928 A KR 19960026928A KR 970001315 A KR970001315 A KR 970001315A
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South Korea
Prior art keywords
mixture
weight
phosgene
diphenylmethane diisocyanate
chlorine content
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KR1019960026928A
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English (en)
Inventor
쉐르쩌 디트리히
브루흐만 베른트
밍게스 롤란트
켈러 페터
판 페 빌리
하이더 볼프강
포올 지크문트
오토 베른하르트
야곱 파울
제이페르트 빌프리트
Original Assignee
슈타인호프·비베르바흐
바스프 악티엔게젤샤프트
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Publication of KR970001315A publication Critical patent/KR970001315A/ko

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    • 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
    • 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
    • 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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
    • C08G18/8019—Masked aromatic polyisocyanates

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  • 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)

Abstract

본 발명은 증가된 온도에서 1개 이상의 비활성 유기 용매의 존재하에서 디페닐메탄디아민 및 폴리페닐폴리메틸렌폴리아민의 상응하는 혼합물과 포스겐을 반응시키고 나서, 포스겐화가 완결된 후, 포스겐의 존재 또는 부재하에서 반응 혼합물에 바람직하게는 2 내지 3의 작용성을 갖고, 유용하게는 20 내지 1800의 히드록실 가를 갖는 물 및 1개 이상의 1가 또는 다가 폴리옥시알킬렌 알코올의 혼합물을 각각의 경우에 원료 MDI의 중량에 기초로 하여 0.01 내지 0.3중량%의 물(ⅰ) 및 0.5 내지 5중량%의 폴리옥시알킬렌 알코올(ⅱ)로 유용하게 이루어지는 유효량을 혼입시키고 나서, 과량의 포스겐 또는 여전히 존재하는 포스겐 잔류물을 제거하고, 원하는 경우 원료 MDI의 중량에 기초로 하여 페놀에 기초로 한 1개 이상의 항산화제 및/또는 아릴 아인산염을 첨가하고 열적으로 반응 혼합물을 처리함으로써 감소된 요오드 색수 및 감소된 염소 함량을 갖는 디페닐메탄 디이소시안산염 및 폴리페닐폴리메틸렌 폴리이소시안산염의 혼합물(MDI)을 제조하는 방법에 관한 것이다.

Description

요오드 색수 및 염소 함량이 감소된 디페닐메탄 디이소시안산염의 혼합물을 제조하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 포스겐의 존재 또는 부재하에서, 포스겐화가 완결된후, 물 및 1개 이상의 1가 또는 다가 폴리옥시알킬렌 알코올 또는 이것들의 혼합물이 반응 혼합물에 유효량으로 혼입되는 것을 특징으로 하며, 증가된 온도에서 1개 이상의 비활성 유기 용매의 존재하에서 디페닐메탄디아민 및 폴리페닐폴리메틸렌폴리아민의 상응하는 혼합물과 포스겐을 반응시키고, 포스겐화가 완결된 후 과량의 포스겐 및 용매를 분리시키고, 반응 생성물을 열적으로 처리함으로써, 감소된 요오드 색수 및 감소된 염소 함량을 갖는 디페닐메탄 디이소시안산염 및 폴리페닐 폴리메틸렌 폴리이소시안안산염의 혼합물을 제조하는 방법.
  2. 제1항에 있어서, 유효량의 혼합물이 반응 혼합물에서 디페닐메탄 디이소시안산염 및 폴리페닐폴리메틸렌 폴리이소시안산염의 혼합물의 중량에 기초로 하여 각각 ⅰ)0.01 내지 0.3중량%의 물 및 ⅱ)0.05 내지 5중량%의 1개 이상의 1가 또는 다가 폴리옥시알킬렌 알코올로 이루어지는 것을 특징으로 하는 방법.
  3. 제1항 또는 2항에 있어서, 1가 또는 다가 폴리옥시알킬렌 알코올(ⅱ)이 20 내지 1800의 히드록실 가를 갖는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960026928A 1995-06-30 1996-06-29 요오드 색수 및 염소 함량이 감소된 디페닐메탄 디이소시안산염의 혼합물을 제조하는 방법 KR970001315A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19523851A DE19523851A1 (de) 1995-06-30 1995-06-30 Verfahren zur Herstellung von Mischungen aus Diphenylmethan-diisocyanaten und Polyphenyl-polymethylen-polyisocyanaten mit einer verminderten Iodfarbzahl und einem reduzierten Chlorgehalt
DEP19523851.6 1995-06-30

Publications (1)

Publication Number Publication Date
KR970001315A true KR970001315A (ko) 1997-01-24

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KR1019960026928A KR970001315A (ko) 1995-06-30 1996-06-29 요오드 색수 및 염소 함량이 감소된 디페닐메탄 디이소시안산염의 혼합물을 제조하는 방법

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Country Link
US (1) US6229043B1 (ko)
EP (1) EP0751118B1 (ko)
JP (1) JP3901244B2 (ko)
KR (1) KR970001315A (ko)
CN (1) CN1087312C (ko)
AT (1) ATE185554T1 (ko)
CA (1) CA2180285A1 (ko)
DE (2) DE19523851A1 (ko)
DK (1) DK0751118T3 (ko)
ES (1) ES2138270T3 (ko)
MX (1) MX9602508A (ko)

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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
DE10228734A1 (de) * 2002-06-27 2004-01-22 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert
JP4066157B2 (ja) * 2002-07-16 2008-03-26 日本ポリウレタン工業株式会社 ポリメチレンポリフェニルポリイソシアネートの生産方法
DE102004005319A1 (de) * 2004-02-04 2005-08-25 Bayer Materialscience Ag Verfahren zur Herstellung von hochreinem 2,4'-Methylendiphenyldiisocyanat
JP4920186B2 (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
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
ES2453145T3 (es) * 2005-05-30 2014-04-04 Huntsman International Llc Procedimiento para la preparación de poliisocianatos de la serie difenilmetano
DE102006057652A1 (de) 2006-12-07 2008-06-12 Lanxess Deutschland Gmbh Verfahren zur Herstellung von substituierten Aminoanthrachinonen
WO2009154077A1 (ja) * 2008-06-17 2009-12-23 日本ポリウレタン工業株式会社 ポリイソシアネートの製造方法
RU2487116C2 (ru) * 2008-11-26 2013-07-10 Хантсмэн Интернэшнл Ллс Способ производства изоцианатов
WO2010149544A2 (en) * 2009-06-26 2010-12-29 Basf Se Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation
HUE025009T2 (en) * 2009-12-18 2016-04-28 Basf Se Two-step process for cost-effective separation of homogeneous catalysts in MDA synthesis
CN114349664B (zh) * 2022-01-17 2023-08-11 万华化学（宁波）有限公司 一种低溴含量异氰酸酯的制备方法

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ES2138270T3 (es) 2000-01-01
CN1087312C (zh) 2002-07-10
CA2180285A1 (en) 1996-12-31
ATE185554T1 (de) 1999-10-15
DE19523851A1 (de) 1997-01-02
DE59603326D1 (de) 1999-11-18
EP0751118A3 (de) 1998-05-13
CN1148056A (zh) 1997-04-23
EP0751118B1 (de) 1999-10-13
JPH09100263A (ja) 1997-04-15
MX9602508A (es) 1997-04-30
EP0751118A2 (de) 1997-01-02
US6229043B1 (en) 2001-05-08
DK0751118T3 (da) 1999-12-27
JP3901244B2 (ja) 2007-04-04

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