BR0102050A - Processo para a preparação de poliisocianatoscom estrutura biureto - Google Patents

Processo para a preparação de poliisocianatoscom estrutura biureto

Info

Publication number
BR0102050A
BR0102050A BR0102050-1A BR0102050A BR0102050A BR 0102050 A BR0102050 A BR 0102050A BR 0102050 A BR0102050 A BR 0102050A BR 0102050 A BR0102050 A BR 0102050A
Authority
BR
Brazil
Prior art keywords
polyisocyanates
biuret structure
preparation
reaction
exclusively aliphatic
Prior art date
Application number
BR0102050-1A
Other languages
English (en)
Other versions
BR0102050B1 (pt
Inventor
Reinhard Halpaap
Dieter Mager
Siegfried Oeckl
Harald Mertes
Original Assignee
Bayer 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7643117&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0102050(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BR0102050A publication Critical patent/BR0102050A/pt
Publication of BR0102050B1 publication Critical patent/BR0102050B1/pt

Links

Classifications

    • 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
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
    • C07C273/1809—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety
    • C07C273/1818—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety from -N=C=O and XNR'R"

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

Patente de Invenção: "PROCESSO PARA A PREPARAçãO DEPOLIISOCIANATOS COM ESTRUTURA BIURETO". A presenteinvenção refere-se a um processo aperfeiçoado para a preparaçãode poliisoclanatos com estrutura biureto mediante reação contínuade quantidades excessivas de diisocianatos orgânicos com gruposisocianato ligados exclusivamente alifática e/ou cicioalifáticamentecom diaminas orgânicas com grupos amino primários ligadosexclusivamente alifática e/ou cicloalifáticamente em temperaturaselevadas na presença de ácidos.
BRPI0102050-1A 2000-05-22 2001-05-21 processos para a preparação contìnua de poliisocianatos com estrutura biureto. BR0102050B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10025301A DE10025301A1 (de) 2000-05-22 2000-05-22 Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur

Publications (2)

Publication Number Publication Date
BR0102050A true BR0102050A (pt) 2001-12-18
BR0102050B1 BR0102050B1 (pt) 2010-11-30

Family

ID=7643117

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0102050-1A BR0102050B1 (pt) 2000-05-22 2001-05-21 processos para a preparação contìnua de poliisocianatos com estrutura biureto.

Country Status (11)

Country Link
US (1) US6720400B2 (pt)
EP (1) EP1158013B2 (pt)
JP (1) JP4926334B2 (pt)
CN (1) CN1188445C (pt)
AT (1) ATE291049T1 (pt)
BR (1) BR0102050B1 (pt)
DE (2) DE10025301A1 (pt)
ES (1) ES2238357T5 (pt)
HK (1) HK1042103B (pt)
MX (1) MXPA01005087A (pt)
TW (1) TW555774B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10322911A1 (de) * 2003-05-21 2004-12-16 Bayer Materialscience Ag Verfestigungsstabile blockierte Polyisocyanate
US7772307B2 (en) * 2003-08-27 2010-08-10 Great Eastern Resins Industrial Co., Ltd. Water dispersible polyisocyanate composition and its uses
WO2008110492A1 (de) * 2007-03-09 2008-09-18 Basf Se Verfahren zur herstellung von farblosen, lagerstabilen biuretgruppenhaltigen polyisocyanaten
ES2582173T3 (es) 2007-11-14 2016-09-09 Covestro Deutschland Ag Preparación de isocianatos de color claro
DE102009038463A1 (de) * 2009-08-21 2011-02-24 Bayer Materialscience Ag Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur
US8609887B2 (en) 2011-03-03 2013-12-17 Basf Se Process for preparing polyisocyanates comprising biuret groups
WO2012117099A1 (de) 2011-03-03 2012-09-07 Basf Se Verfahren zur herstellung von biuretgruppenhaltigen polyisocyanaten
EP4303246A1 (de) 2022-07-04 2024-01-10 Covestro Deutschland AG Polyisocyanatgemisch

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE637578A (pt) * 1962-09-19
NO123123B (pt) * 1969-06-19 1971-09-27 Dynamit Nobel Ag
US3903126A (en) * 1973-12-11 1975-09-02 Basf Ag Manufacture of biuret group-containing polyisocyanates
US4147714A (en) * 1976-03-10 1979-04-03 Bayer Aktiengesellschaft Process for the preparation of polyisocyanates which contain biuret groups
US4192936A (en) * 1976-12-03 1980-03-11 Bayer Aktiengesellschaft Preparation of polyisocyanates containing biuret groups
DE2730513A1 (de) * 1977-07-06 1979-01-25 Bayer Ag Verfahren zur herstellung von modifizierten polyisocyanaten
DE2856864A1 (de) * 1978-12-30 1980-07-24 Bayer Ag Neue polyisocyanate, ein verfahren zu ihrer herstellung und ihre verwendung
DE2856826A1 (de) * 1978-12-30 1980-07-17 Bayer Ag Verfahren zur herstellung von biuret- und/oder hoehere polyuretgruppen aufweisenden polyisecyanaten, die nach diesem verfahren erhaeltlichen verbindungen, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen
DE3700209A1 (de) 1987-01-07 1988-07-21 Bayer Ag Verfahren zur herstellung von polyisocyanaten mit biuretstruktur
DE4443885A1 (de) * 1994-12-09 1996-06-13 Basf Ag Verfahren zur Herstellung von Biuretgruppen enthaltenden Polyisocyanaten
DE19525474A1 (de) 1995-07-12 1997-01-16 Basf Ag Verfahren und Vorrichtung zur Herstellung von (cyclo)aliphatische Biuretgruppen enthaltenden Polyisocyananten
DE19633404A1 (de) * 1996-08-19 1998-02-26 Basf Ag Verfahren zur Herstellung von Biuretgruppen enhaltenden Polyisocyanaten aus (cyclo)aliphatischen Diisocyanaten

Also Published As

Publication number Publication date
EP1158013B2 (de) 2009-03-11
US6720400B2 (en) 2004-04-13
MXPA01005087A (es) 2002-08-06
EP1158013B1 (de) 2005-03-16
CN1188445C (zh) 2005-02-09
ES2238357T3 (es) 2005-09-01
DE50105585D1 (de) 2005-04-21
CN1324879A (zh) 2001-12-05
ES2238357T5 (es) 2009-06-10
TW555774B (en) 2003-10-01
US20010056169A1 (en) 2001-12-27
BR0102050B1 (pt) 2010-11-30
DE10025301A1 (de) 2001-11-29
JP2002020449A (ja) 2002-01-23
HK1042103A1 (en) 2002-08-02
JP4926334B2 (ja) 2012-05-09
EP1158013A1 (de) 2001-11-28
ATE291049T1 (de) 2005-04-15
HK1042103B (zh) 2005-10-07

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/05/2001, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 17A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)