JP4731684B2 - メチレンジアニリンおよびメチレンビス(フェニルイソシアナート)の製造方法 - Google Patents

メチレンジアニリンおよびメチレンビス(フェニルイソシアナート)の製造方法 Download PDF

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JP4731684B2
JP4731684B2 JP2000530491A JP2000530491A JP4731684B2 JP 4731684 B2 JP4731684 B2 JP 4731684B2 JP 2000530491 A JP2000530491 A JP 2000530491A JP 2000530491 A JP2000530491 A JP 2000530491A JP 4731684 B2 JP4731684 B2 JP 4731684B2
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formaldehyde
aniline
reaction mixture
temperature
reaction
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JP2002502838A5 (enExample
JP2002502838A (ja
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シュトレファー,エックハルト
ヤコブス,イァン
ゼイフェルト,ヴィルフリート
シュヴァルツ,ハンス,フォルクマー
シュヴェールス,オラフ
シャル,フォルカー
ペンツェル,ウルリヒ
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BASF SE
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BASF SE
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
JP2000530491A 1998-02-07 1999-01-26 メチレンジアニリンおよびメチレンビス(フェニルイソシアナート)の製造方法 Expired - Fee Related JP4731684B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19804915A DE19804915A1 (de) 1998-02-07 1998-02-07 Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
DE19804915.3 1998-02-07
PCT/EP1999/000472 WO1999040059A1 (de) 1998-02-07 1999-01-26 Verfahren zur herstellung von methylendi(phenylamin) und methylendi (phenylisocyanat)

Related Child Applications (1)

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JP2010175044A Division JP5449082B2 (ja) 1998-02-07 2010-08-04 メチレンジアニリンおよびメチレンビス(フェニルイソシアナート)の製造方法

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JP2002502838A JP2002502838A (ja) 2002-01-29
JP2002502838A5 JP2002502838A5 (enExample) 2010-09-24
JP4731684B2 true JP4731684B2 (ja) 2011-07-27

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JP2000530491A Expired - Fee Related JP4731684B2 (ja) 1998-02-07 1999-01-26 メチレンジアニリンおよびメチレンビス(フェニルイソシアナート)の製造方法
JP2010175044A Expired - Fee Related JP5449082B2 (ja) 1998-02-07 2010-08-04 メチレンジアニリンおよびメチレンビス(フェニルイソシアナート)の製造方法

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US (3) US6433219B1 (enExample)
EP (2) EP1270544B1 (enExample)
JP (2) JP4731684B2 (enExample)
KR (1) KR100555814B1 (enExample)
CN (2) CN1266124C (enExample)
AU (1) AU2621799A (enExample)
BR (1) BR9907634A (enExample)
CA (1) CA2320477A1 (enExample)
DE (3) DE19804915A1 (enExample)
ES (2) ES2234969T3 (enExample)
MX (1) MXPA00007646A (enExample)
PT (2) PT1270544E (enExample)
WO (1) WO1999040059A1 (enExample)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19804915A1 (de) * 1998-02-07 1999-08-12 Basf Ag Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
DE10031540A1 (de) * 2000-06-28 2002-01-10 Basf Ag Verfahren zur Herstellung eines aromatischen Polyamingemisches
DE10111337A1 (de) * 2001-03-08 2002-09-12 Basf Ag Verfahren zur Herstellung von MDI, insbesondere von 2.4'-MDI
DE10141620A1 (de) 2001-08-24 2003-03-06 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert
DE10211021A1 (de) 2002-03-13 2003-09-25 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert
DE10222968A1 (de) 2002-05-23 2003-12-04 Basf Ag Verfahren zur Herstellung von Isocyanaten
DE10238995A1 (de) * 2002-08-20 2004-02-26 Basf Ag Gasphasenphosgenierung bei moderaten Drücken
DE10260093A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch
DE10260082A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur kontinuierlichen Herstellung von Isocyanaten
DE10331772A1 (de) 2003-07-11 2005-02-03 Basf Ag Verfahren zur Herstellung von Diaminodiarylmethanen
DE10333929A1 (de) * 2003-07-25 2005-02-24 Bayer Materialscience Ag Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat
DE10347438A1 (de) * 2003-10-13 2005-05-04 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
DE102004005319A1 (de) * 2004-02-04 2005-08-25 Bayer Materialscience Ag Verfahren zur Herstellung von hochreinem 2,4'-Methylendiphenyldiisocyanat
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
DE102005014244A1 (de) * 2005-03-30 2006-10-05 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
DE102005014846A1 (de) * 2005-03-30 2006-10-05 Basf Ag MDI Herstellung mittels Flüssigphasen- und Gasphasenphosgenierung
JP2012233004A (ja) * 2005-04-04 2012-11-29 Mitsui Chemicals Inc ポリイソシアネート製造設備およびポリイソシアネート製造方法
JP2006312619A (ja) * 2005-04-04 2006-11-16 Mitsui Chemicals Polyurethanes Inc ポリイソシアネート製造設備およびポリイソシアネート製造方法
JP4739798B2 (ja) * 2005-04-05 2011-08-03 三井化学株式会社 ポリイソシアネート連続製造装置
KR101232431B1 (ko) * 2005-05-30 2013-02-12 헌트스만 인터내셔날, 엘엘씨 디페닐메탄 계열의 폴리이소시아네이트의 제조 방법
DE102005055189A1 (de) * 2005-11-19 2007-05-24 Bayer Materialscience Ag Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat
BRPI0619159B1 (pt) * 2005-12-08 2016-04-12 Huntsman Int Llc processo para a preparação de diamino difenil metano e poli-(diamino difenil metano), e, processo para a preparação de metileno difenileno diisocianato e poli-(metileno difenileno diisocianato)
DE102006004041A1 (de) * 2006-01-28 2007-08-02 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
ES2476248T3 (es) 2006-10-26 2014-07-14 Basf Se Procedimiento para la preparación de isocianatos
HUE029625T2 (en) * 2006-11-07 2017-03-28 Basf Se Process for the preparation of isocyanates
US8329951B2 (en) 2007-01-08 2012-12-11 Basf Se Process for preparing diphenylmethanediamine
KR100888733B1 (ko) 2007-03-28 2009-03-17 금호미쓰이화학 주식회사 폴리메틸렌 폴리페닐 폴리아민의 제조방법
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
EP2014641A3 (en) * 2007-06-06 2009-03-18 Huntsman International Llc Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates
US8466320B2 (en) 2007-06-12 2013-06-18 Basf Se Method for the recovery of mineral acids from saline solutions
EP2042485A1 (en) 2007-09-28 2009-04-01 Huntsman International Llc Process for fractionating a mixture of polyisocyanates
DE102008012037A1 (de) * 2008-03-01 2009-09-03 Bayer Materialscience Ag Verfahren zur Herstellung von Methylen-diphenyl-diisocyanaten
DE102008015123A1 (de) 2008-03-20 2009-09-24 Bayer Materialscience Ag Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe
US8431746B2 (en) 2008-05-26 2013-04-30 Basf Se Method for producing diphenylmethane diamine
ES2522820T3 (es) * 2009-04-24 2014-11-18 Basf Se Procedimiento para la preparación de MDA y MDI de color estable
JP5373972B2 (ja) * 2009-09-02 2013-12-18 ハンツマン・インターナショナル・エルエルシー 水性ストリームからメチレン架橋ポリフェニルポリアミンを取り出す方法
BR112012007391B1 (pt) 2009-10-20 2018-09-25 Basf Se processo para preparação de processamento destilativo de diisocianato de difenilmetano
WO2011067369A1 (de) 2009-12-04 2011-06-09 Basf Se Verfahren zur herstellung von isocyanaten
CN102666474A (zh) 2009-12-18 2012-09-12 巴斯夫欧洲公司 在mda合成中成本有效地分离均相催化剂的两步方法
US20110228630A1 (en) * 2010-03-16 2011-09-22 Dow Global Technologies, Inc. Reduced Transit Static Mixer Configuration
US20110230679A1 (en) * 2010-03-16 2011-09-22 Dow Global Technologies, Inc. Reactive Static Mixer
PT2640694T (pt) 2010-11-17 2019-04-29 Basf Se Processo para a preparação de metileno difenil diisocianato
US8907124B2 (en) 2010-11-17 2014-12-09 Basf Se Process for preparing methylenedi(phenyl isocyanate)
KR101499758B1 (ko) * 2010-12-29 2015-03-06 완후아 케미컬 그룹 코., 엘티디 고속 혼합 반응기 및 그의 사용방법
CN103649044A (zh) 2011-05-24 2014-03-19 巴斯夫欧洲公司 由生物质制备聚异氰酸酯的方法
US8933262B2 (en) 2011-05-24 2015-01-13 Basf Se Process for preparing polyisocyanates from biomass
CN102516126A (zh) * 2011-11-29 2012-06-27 广州秀珀化工股份有限公司 一种烷基取代的二苯基甲烷二异氰酸酯的制备方法
US20140131275A1 (en) 2012-11-15 2014-05-15 Bayer Intellectual Property Gmbh Process for phase separation or extraction and device suitable therefor
WO2014166977A1 (de) 2013-04-11 2014-10-16 Bayer Materialscience Ag Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe
EP2984067B1 (de) 2013-04-11 2017-10-25 Covestro Deutschland AG Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe
EP2989078B1 (de) 2013-04-24 2017-12-27 Covestro Deutschland AG Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe
PT3160934T (pt) * 2014-06-24 2022-04-20 Covestro Intellectual Property Gmbh & Co Kg Método para preparação de di- e poliaminas da série de difenilmetano
CN106458842B (zh) 2014-06-24 2020-02-11 科思创德国股份有限公司 具有运行中断的用于制备化学产物的方法
EP3160936B1 (de) * 2014-06-24 2021-10-13 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe
JP6655559B2 (ja) * 2014-06-24 2020-02-26 コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag ジフェニルメタン系ジアミンおよびポリアミンの製造方法
EP3377640B1 (de) 2015-11-20 2022-12-21 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von aminobenzoesäure oder eines aminobenzoesäurederivats
US11028042B2 (en) 2016-01-20 2021-06-08 Basf Se Process for preparing an aromatic polyamine mixture
HUE049575T2 (hu) 2016-06-29 2020-09-28 Covestro Deutschland Ag Eljárás anilin vagy egy anilin-származék elõállítására
KR20190039518A (ko) 2016-08-17 2019-04-12 코베스트로 도이칠란트 아게 통합 생산으로 이소시아네이트 및 적어도 1종의 추가의 화학 생성물을 제조하는 방법
CN109689615B (zh) * 2016-09-14 2022-11-18 巴斯夫欧洲公司 在无色胺存在下氢化混合物的方法
US10968466B2 (en) 2016-12-20 2021-04-06 Covestro Deutschland Ag Process for preparing aminobenzoic acid or an aminobenzoic acid conversion product
WO2018114765A1 (de) 2016-12-22 2018-06-28 Covestro Deutschland Ag Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe bei unterschiedlichen produktions-kapazitäten
WO2018114763A1 (de) 2016-12-22 2018-06-28 Covestro Deutschland Ag Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe
WO2018114771A1 (de) 2016-12-22 2018-06-28 Covestro Deutschland Ag Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe
WO2018114767A1 (de) 2016-12-22 2018-06-28 Covestro Deutschland Ag Verfahren zur herstellung von di- und polyaminen der diphenylmethanreihe bei unterschiedlichen produktionskapazitäten
WO2019234092A1 (de) 2018-06-07 2019-12-12 Covestro Deutschland Ag Verfahren zur herstellung von aminobenzoesäure oder eines aminobenzosäure-folgeprodukts
HUE060351T2 (hu) 2018-07-27 2023-02-28 Covestro Intellectual Property Gmbh & Co Kg Eljárás anilin vagy anilin-származék elõállítására
CN110387031B (zh) * 2019-07-12 2021-06-29 万华化学集团股份有限公司 一种浅色异氰酸酯制备方法
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
WO2022248448A1 (en) * 2021-05-25 2022-12-01 Basf Se Process for preparing at least one polyisocyanate
US20240199529A1 (en) 2021-06-02 2024-06-20 Covestro Deutschland Ag Process for preparing aniline or an aniline derivative
US20250223255A1 (en) 2022-04-06 2025-07-10 Covestro Deutschland Ag Method for producing aniline or an aniline-derived product
CN115124431B (zh) * 2022-06-30 2023-08-11 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的二胺和多胺的制备方法
US11542223B1 (en) 2022-07-21 2023-01-03 Covestro Llc Process for preparing di- and polyamines of the diphenyl methane series
EP4345088B1 (en) 2022-09-29 2025-10-22 Covestro Deutschland AG A process for preparing di- and polyamines of the diphenyl methane series
KR102893774B1 (ko) * 2022-12-19 2025-12-01 금호미쓰이화학 주식회사 메틸렌디아닐린의 제조방법
WO2025073928A1 (en) 2023-10-06 2025-04-10 Basf Se Process for preparing mda

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE295628C (enExample)
DE238042C (enExample)
BE755243Q (fr) * 1965-07-08 1971-02-01 Upjohn Co Procedes de fabrication d'isocyanates et de polyisocyanates
GB1298258A (en) 1970-08-07 1972-11-29 Ici Ltd Manufacture of polyamines
BE794328A (fr) * 1972-01-28 1973-07-19 Ici Ltd Procede de production de polyarylamines a pont methylenique
DE2426116B2 (de) 1973-06-01 1978-05-11 Efim Freiburg Biller (Schweiz) Verfahren zur Herstellung von Methylenbrücken aufweisenden PoIyarylaminen
US4189354A (en) * 1976-07-10 1980-02-19 Bayer Aktiengesellschaft Process for the production of diisocyanatodiphenyl methane isomers with an adjusted content of chlorine compounds
DE2750975A1 (de) * 1976-11-19 1978-05-24 Mobay Chemical Corp Verfahren zur herstellung von polyaminen der diphenylmethan-reihe
DD238042B1 (de) * 1985-06-05 1987-09-30 Schwarzheide Synthesewerk Veb Verfahren zur kontinuierlichen herstellung von hochwertigen aromatischen isocyanaten
DD295628A5 (de) 1986-12-15 1991-11-07 Basf Schwarzheide Gmbh,De Verfahren zur diskontinuierlichen herstellung von methylendianilin/polyamingemischen
JP2825604B2 (ja) * 1990-04-11 1998-11-18 三井化学株式会社 メチレン架橋されたポリアリールアミンの製造方法
EP0451422A1 (en) 1990-04-13 1991-10-16 Merrell Dow Pharmaceuticals Inc. Pharmaceutically active fluoromethyltyrosine compounds
DE4021712A1 (de) * 1990-07-07 1992-01-09 Basf Ag Verfahren zur herstellung von mischungen aus diphenylmethan-diisocyanaten und polyphenol-polymethylen-polyisocyanaten mit einer verminderten iodfarbzahl
DE69107212T2 (de) * 1991-10-19 1995-05-24 Basf Corp Verfahren zur Herstellung von polymerischen Methylen-dyphenylen-diisocyanaten mit verminderter Farbe und Chloridgehalt.
US5286760A (en) 1992-10-09 1994-02-15 Miles, Inc. Process for reducing impurity levels in methylene diphenyamines
KR0147558B1 (ko) * 1992-10-23 1998-10-15 윤종용 테이프 레코더의 슬라이더 하우징 록킹장치
JP3037065B2 (ja) * 1994-05-26 2000-04-24 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
ATE183497T1 (de) * 1994-11-17 1999-09-15 Bayer Ag Verfahren zur herstellung von isocyanaten
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
DE19804915A1 (de) * 1998-02-07 1999-08-12 Basf Ag Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)

Also Published As

Publication number Publication date
CN1290245A (zh) 2001-04-04
US6831192B2 (en) 2004-12-14
US20050014975A1 (en) 2005-01-20
EP1053222B1 (de) 2003-05-02
DE19804915A1 (de) 1999-08-12
PT1270544E (pt) 2005-05-31
WO1999040059A1 (de) 1999-08-12
US20020132953A1 (en) 2002-09-19
CN1266124C (zh) 2006-07-26
KR100555814B1 (ko) 2006-03-03
JP2010270147A (ja) 2010-12-02
EP1053222A1 (de) 2000-11-22
JP2002502838A (ja) 2002-01-29
ES2234969T3 (es) 2005-07-01
CN1151119C (zh) 2004-05-26
US6433219B1 (en) 2002-08-13
EP1270544B1 (de) 2004-12-22
US7230130B2 (en) 2007-06-12
CA2320477A1 (en) 1999-08-12
AU2621799A (en) 1999-08-23
KR20010040725A (ko) 2001-05-15
BR9907634A (pt) 2000-11-14
ES2198894T3 (es) 2004-02-01
CN1532189A (zh) 2004-09-29
JP5449082B2 (ja) 2014-03-19
DE59911344D1 (de) 2005-01-27
EP1270544A1 (de) 2003-01-02
PT1053222E (pt) 2003-09-30
DE59905323D1 (de) 2003-06-05
MXPA00007646A (es) 2001-04-01

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