BRPI0404373A - processo para a preparação de di- e poliaminas da série difenilmetano - Google Patents

processo para a preparação de di- e poliaminas da série difenilmetano

Info

Publication number
BRPI0404373A
BRPI0404373A BRPI0404373-1A BRPI0404373A BRPI0404373A BR PI0404373 A BRPI0404373 A BR PI0404373A BR PI0404373 A BRPI0404373 A BR PI0404373A BR PI0404373 A BRPI0404373 A BR PI0404373A
Authority
BR
Brazil
Prior art keywords
poly
diphenylmethane
amines
polyamines
preparation
Prior art date
Application number
BRPI0404373-1A
Other languages
English (en)
Inventor
Markus Dugal
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 BRPI0404373A publication Critical patent/BRPI0404373A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
    • 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
    • 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

Landscapes

  • 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)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

"PROCESSO PARA A PREPARAçãO DE DI- E POLIAMINAS DA SéRIE DIFENILMETANO". A presente invenção refere-se a um processo para a preparação de di- e poliaminas da série difenilmetano, no qual a) reagem-se nitrobenzeno e metanol na presença de um catalisador para formar anilina e formaldeído e em seguida, b) reagem-se a anilina e formaldeído preparados no estágio a) na presença de um catalisador ácido para formar di- e poliaminas da série difenilmetano.
BRPI0404373-1A 2003-10-13 2004-10-13 processo para a preparação de di- e poliaminas da série difenilmetano BRPI0404373A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10347438A DE10347438A1 (de) 2003-10-13 2003-10-13 Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe

Publications (1)

Publication Number Publication Date
BRPI0404373A true BRPI0404373A (pt) 2006-06-06

Family

ID=34353376

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0404373-1A BRPI0404373A (pt) 2003-10-13 2004-10-13 processo para a preparação de di- e poliaminas da série difenilmetano

Country Status (11)

Country Link
US (1) US20050113557A1 (pt)
EP (1) EP1524260B1 (pt)
JP (1) JP2005120088A (pt)
KR (1) KR20050035501A (pt)
CN (1) CN100364959C (pt)
AT (1) ATE358115T1 (pt)
BR (1) BRPI0404373A (pt)
DE (2) DE10347438A1 (pt)
PT (1) PT1524260E (pt)
SG (1) SG111260A1 (pt)
TW (1) TW200524842A (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005006692A1 (de) * 2005-02-15 2006-08-24 Bayer Materialscience Ag Verfahren zur Herstellung von Di-und Polyaminen der Diphenylmethanreihe
EP2421816A2 (de) * 2009-04-20 2012-02-29 Basf Se Verfahren zur herstellung von methylendiphenyldiamin (mda) über die stufe des aminals
RU2674761C2 (ru) * 2016-12-21 2018-12-13 федеральное государственное бюджетное образовательное учреждение высшего образования "Тольяттинский государственный университет" Способ получения анилина и катализатор для него

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519788A (en) * 1947-11-21 1950-08-22 Du Pont Conversion of methanol to formaldehyde combination catalysts
NL296184A (pt) * 1962-08-10 1900-01-01
CH490317A (de) * 1967-12-01 1970-05-15 Lonza Ag Verfahren zur Durchführung der katalytischen Gasphasenhydrierung von organischen Nitroverbindungen zu den entsprechenden Aminen
DE2322757C3 (de) * 1973-05-05 1981-10-22 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Formaldehyd
US4205883A (en) * 1978-10-02 1980-06-03 The Bendix Corporation Inertia sensing brake proportioning valve
DE2849002A1 (de) * 1978-11-11 1980-05-22 Bayer Ag Verfahren zur katalytischen hydrierung von nitrobenzol
DE3200483A1 (de) * 1982-01-09 1983-07-21 Bayer Ag, 5090 Leverkusen Kieselsaeurehaltige formkoerper, verfahren zu ihrer herstellung und ihre verwendung
US6031136A (en) * 1993-07-21 2000-02-29 Bayer Corporation Process for preparing methylene diphenylamines by partial neutralization of acidic methylene diphenylamines
DE19721898A1 (de) * 1997-05-26 1998-12-03 Degussa Geformter, aktivierter Metall-Festbettkatalysator
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
DE10211021A1 (de) * 2002-03-13 2003-09-25 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert

Also Published As

Publication number Publication date
ATE358115T1 (de) 2007-04-15
DE502004003333D1 (de) 2007-05-10
JP2005120088A (ja) 2005-05-12
PT1524260E (pt) 2007-06-22
TW200524842A (en) 2005-08-01
EP1524260B1 (de) 2007-03-28
KR20050035501A (ko) 2005-04-18
DE10347438A1 (de) 2005-05-04
US20050113557A1 (en) 2005-05-26
CN1636966A (zh) 2005-07-13
EP1524260A1 (de) 2005-04-20
SG111260A1 (en) 2005-05-30
CN100364959C (zh) 2008-01-30

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2160 DE 29/05/2012.