KR930023405A - 폴리아미노-폴리아릴-폴리메틸렌계 폴리아민 혼합물의 제조 방법 - Google Patents

폴리아미노-폴리아릴-폴리메틸렌계 폴리아민 혼합물의 제조 방법 Download PDF

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KR930023405A
KR930023405A KR1019930007403A KR930007403A KR930023405A KR 930023405 A KR930023405 A KR 930023405A KR 1019930007403 A KR1019930007403 A KR 1019930007403A KR 930007403 A KR930007403 A KR 930007403A KR 930023405 A KR930023405 A KR 930023405A
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aniline
molar ratio
temperature
formaldehyde
acid catalyst
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KR1019930007403A
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쾨니크 크리스티안
갈루스 만프레트
뷜너 레인홀트
리히터 프란츠-모리츠
우흐도르프 루돌프
씨. 포스터 윌리암
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게르하르트 뮬러.로타르 스타일링
바이엘 악티엔게젤샤프트
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Publication of KR930023405A publication Critical patent/KR930023405A/ko

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    • 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
    • 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

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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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)

Abstract

본 발명은 아닐린과 포름알데히드를 산촉매 존재하에 축합 반응시키고, 반응 종료 후 산촉매를 중화시키고, 생성된 폴리아민 혼합물을 증류시켜 디페닐메탄계 폴리아민을 제조하는 방법을 개시하고 있다. 이 방법의 주요 특징은 축합 반응 후 제1 전위 단계 후 반응 온도의 급격한 상승이다.

Description

폴리아미노－폴리아릴－폴리메틸렌계 폴리아민 혼합물의 제조방법.
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. 아닐린과 포름알데히드를 산촉매 존재하에 축합 반응시키고, 반응 종료 후 산촉매를 중화시키고, 생성된 폴리아민 혼합물을 증류시켜 디페닐메탄계 폴리아민을 제조하는 방법에 있어서, a) 아닐린과 포롬알데히드볼 10 내지 150℃의 온도에서 1.5 : 1 내지 10 : 1 의 몰비로 반응시키고, b) 이어서, 산촉매를 10 내지 150℃의 온도에서 2 : 1 내지 100 : 1 의 아닐린 대 산촉매의 몰비(1 내지 50%의 프로톤 첨가율에 해당함)로 반응 혼합물에 첨가하고, 여기서 축합 반응 중에 형성된 물은 단계 b)전 또는 후에 제거하며, c) 단계 b) 로 부터 얻은 혼합물의 온도를 15분 내에 40℃ 이상 상승시키며, 이어서 필요한 경우 혼합물을 최종 온도가 105 내지 200℃가 될 때까지 계속 가열하되, 단 반응 시간은 온도 상승 개시 후 10 내지 300분으로 하고, d) 단계 c)로부터 얻은 혼합물은 산촉매의 증화 후 증류시키는 것을 특징으로 하는 방법.
  2. 제1항에 있어서, 단계 a) 후 또는 단계 b) 동안, 아닐린 대 포롬알데히드의 몰비가 1.5 : 1 내지 5.0 : 1 이 되게 추가로 포름알데히드를 첨가하는 것이 특징인 방법.
  3. 제1항에 있어서, 먼저 b) 아닐린과 산촉매를 2 : 1 내지 100 : 1 의 몰비(1 내지 50%의 프로톤 첨가율에 해당함)로 반응시키고, 이어서 a) 단계 b)로 부터 얻은 혼합물에 아닐린 대 포름알데히드의 몰비가 1.5 : 1 내지 10 : 1이 되게 포롬알데히드를 첨가시키고 이때 온도는 10 내지 150℃인 것이 특징인 방법.
  4. 제1항에 있어서, 단계 a)의 온도가 50 내지 120℃인 것이 특징인 방법.
  5. 제1항에 있어서, 단계 a)에서 아닐린 대 포름알데히드의 몰비가 1,5 : 1 내지 4.0 : 1인 것이 특징인 방법.
  6. 제1항에 있어서, 단계 b) 에서 염산이 촉매로 사용되는 것이 특징인 방법.
  7. 제1항에 있어서, 단계 b) 에서 아닐린 대 산촉매의 몰비가 2 : 1 내지 20 : 1(5 내지 50%의 프로톤 첨가율에 해당함)인 것이 특징인 방법.
  8. 제1항에 있어서, 단계 c) 전의 온도가 35 내지 60℃인 것이 특징인 방법.
  9. 제1항에 있어서, 단계 c) 전의 온도가 150 내지 180℃인 방법.
  10. 폴리이소시아네이트로 부터 폴리우레탄 발포체를 제조함에 있어서, 이소시아네이트가 제1항의 방법에 따라 제조된 포스겐화 생성물인 것이 특징인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930007403A 1992-05-01 1993-04-30 폴리아미노-폴리아릴-폴리메틸렌계 폴리아민 혼합물의 제조 방법 KR930023405A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/877,684 US5310769A (en) 1992-05-01 1992-05-01 Process for the production of polyamine mixtures of the polyamino-polyaryl-polymethylene series
US7/877,684 1992-05-01

Publications (1)

Publication Number Publication Date
KR930023405A true KR930023405A (ko) 1993-12-18

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KR1019930007403A KR930023405A (ko) 1992-05-01 1993-04-30 폴리아미노-폴리아릴-폴리메틸렌계 폴리아민 혼합물의 제조 방법

Country Status (6)

Country Link
US (1) US5310769A (ko)
EP (1) EP0567881A3 (ko)
JP (1) JPH0641025A (ko)
KR (1) KR930023405A (ko)
BR (1) BR9301704A (ko)
CA (1) CA2095188C (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5386059A (en) * 1991-12-10 1995-01-31 Miles Inc. Process for preparing polyamines for lighter color polyisocyanate based foam
US5470942A (en) * 1995-02-16 1995-11-28 Monsanto Company Preparation of anhydropolyamino acids
US6207866B1 (en) * 1997-07-11 2001-03-27 Nippon Petrochemicals Company, Limited Method for producing diarylmethane or its derivatives
DE19749642A1 (de) 1997-11-10 1999-05-12 Basf Ag Verwendung von wässrigen Zubereitungen, die als filmbildenden Bestandteil ein Copolymer P enthalten
DE10141620A1 (de) * 2001-08-24 2003-03-06 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert
DE10245703A1 (de) * 2002-09-30 2004-04-01 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe durch Phosgenierung von nichtneutralisiertem Polyamin der Diphenylmethanreihe
DE102004032416A1 (de) * 2004-07-05 2006-02-02 Bayer Materialscience Ag Verfahren zur Herstellung von Polyaminen der Diphenylmethanreihe bei niedriger Protonierung
DE102005014847A1 (de) * 2005-03-30 2006-10-05 Basf Ag MMDI und PMDI Herstellung mittels Gasphasenphosegenierung
DE102005014244A1 (de) * 2005-03-30 2006-10-05 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
DE102006004047A1 (de) * 2006-01-28 2007-08-02 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
US8329951B2 (en) * 2007-01-08 2012-12-11 Basf Se Process for preparing diphenylmethanediamine
DE102008015123A1 (de) 2008-03-20 2009-09-24 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
WO2013057069A1 (de) 2011-10-21 2013-04-25 Bayer Intellectual Property Gmbh Mehrkernige aromatische polyamine und verfahren zu ihrer herstellung
WO2014173856A1 (de) * 2013-04-24 2014-10-30 Bayer Materialscience Ag Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe
CN105837472A (zh) * 2016-03-31 2016-08-10 常州大学 一种4-（3-氰苄基）苯基乙酰亚胺的合成方法
US10759736B2 (en) 2018-10-17 2020-09-01 Covestro Deutschland Ag Process for the preparation of di- and polyamines of the diphenylmethane series
JP7267770B2 (ja) 2019-02-25 2023-05-02 株式会社神戸製鋼所 めっき鋼板の接合方法及び接合構造体
US11542223B1 (en) 2022-07-21 2023-01-03 Covestro Llc Process for preparing di- and polyamines of the diphenyl methane series
EP4345088A1 (en) 2022-09-29 2024-04-03 Covestro Deutschland AG A process for preparing di- and polyamines of the diphenyl methane series

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2683730A (en) * 1951-01-17 1954-07-13 Goodyear Tire & Rubber Polyisocyanates and mixtures thereof
ES356415A1 (es) * 1967-08-07 1970-01-01 Upjohn Co Procedimiento para la preparacion de di (aminofenil) meta- no.
BE794328A (fr) * 1972-01-28 1973-07-19 Ici Ltd Procede de production de polyarylamines a pont methylenique
ES423310A1 (es) * 1974-02-15 1976-05-16 Nacional Calvo Sotelo De Comb Procedimiento perfeccionado para la obtencion de polimeti- lenpolifenil poliaminas.
US4259526A (en) * 1979-02-21 1981-03-31 Bayer Aktiengesellschaft Process for the preparation of mixtures of polyamines of the polyamino-polyaryl-polymethylene type
DE3225135A1 (de) * 1982-07-06 1984-01-12 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen herstellung von methylenbruecken aufweisenden polyarylaminen

Also Published As

Publication number Publication date
CA2095188C (en) 2003-04-15
BR9301704A (pt) 1993-11-03
CA2095188A1 (en) 1993-11-02
US5310769A (en) 1994-05-10
EP0567881A2 (de) 1993-11-03
EP0567881A3 (en) 1993-12-22
JPH0641025A (ja) 1994-02-15

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