BR8505941A - Processo para a preparacao de poliisocianatos organicos modificados,poliisocianatos e aplicacao - Google Patents

Processo para a preparacao de poliisocianatos organicos modificados,poliisocianatos e aplicacao

Info

Publication number
BR8505941A
BR8505941A BR8505941A BR8505941A BR8505941A BR 8505941 A BR8505941 A BR 8505941A BR 8505941 A BR8505941 A BR 8505941A BR 8505941 A BR8505941 A BR 8505941A BR 8505941 A BR8505941 A BR 8505941A
Authority
BR
Brazil
Prior art keywords
polyisocianates
preparation
application
modified organic
modified
Prior art date
Application number
BR8505941A
Other languages
English (en)
Inventor
Klaus Konig
Josef Pedain
Helmut Woynar
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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BR8505941A publication Critical patent/BR8505941A/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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8048—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/34
    • 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
    • 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
BR8505941A 1984-11-28 1985-11-27 Processo para a preparacao de poliisocianatos organicos modificados,poliisocianatos e aplicacao BR8505941A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843443342 DE3443342A1 (de) 1984-11-28 1984-11-28 Verfahren zur herstellung von modifizierten polyisocyanaten, die nach diesem verfahren erhaeltlichen verbindungen und ihre verwendung in polyurethanlacken

Publications (1)

Publication Number Publication Date
BR8505941A true BR8505941A (pt) 1986-08-19

Family

ID=6251356

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8505941A BR8505941A (pt) 1984-11-28 1985-11-27 Processo para a preparacao de poliisocianatos organicos modificados,poliisocianatos e aplicacao

Country Status (7)

Country Link
US (1) US4656223A (pt)
EP (1) EP0183150B1 (pt)
JP (1) JPH0667893B2 (pt)
BR (1) BR8505941A (pt)
CA (1) CA1235138A (pt)
DE (2) DE3443342A1 (pt)
ES (1) ES8706743A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2603278B1 (fr) * 1986-09-03 1988-11-18 Rhone Poulenc Chimie Procede de preparation de polyisocyanate a groupement biuret
US5059655A (en) * 1990-04-05 1991-10-22 Ppg Industries, Inc. Polyurethane polyanhydride oligomers and method of preparation
DE4213527A1 (de) * 1992-04-24 1993-10-28 Bayer Ag Wäßrige Überzugsmittel für elastische Einbrennlackierungen
DE4443885A1 (de) * 1994-12-09 1996-06-13 Basf Ag Verfahren zur Herstellung von Biuretgruppen enthaltenden Polyisocyanaten
DE19917161A1 (de) 1999-04-16 2000-10-19 Bayer Ag Verfahren zur Herstellung von oxidativ trocknenden urethanmodifizierten Polyesterdispersionen und ihre Verwendung
DE10322911A1 (de) * 2003-05-21 2004-12-16 Bayer Materialscience Ag Verfestigungsstabile blockierte Polyisocyanate
US20060122357A1 (en) * 2004-12-08 2006-06-08 Thomas Faecke Continuous method for manufacturing an acid functional blocked solid isocyanate
DE102004060038A1 (de) * 2004-12-14 2006-06-22 Bayer Materialscience Ag Verfahren zur Herstellung flüssiger, lagerstabiler Carbodiimid- und/oder Uretonimingruppen aufweisender organischer Isocyanate mit niedriger Farbzahl
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3412054A (en) * 1966-10-31 1968-11-19 Union Carbide Corp Water-dilutable polyurethanes
US4163094A (en) * 1978-04-07 1979-07-31 Scm Corporation Heat curing water soluble homopolyurethanes
US4447571A (en) * 1980-04-09 1984-05-08 Witco Chemical Corporation Stabilization of polyurethanes
FR2496089A1 (fr) * 1980-12-11 1982-06-18 Saint Gobain Vitrage Vitrage feuillete de securite
IT1169010B (it) * 1981-01-08 1987-05-20 Hoechst Ag Leganti polimerici, solidi, per vernici termoindurenti in polvere a base di prepolimeri poliuretanici carbossilati con gruppi isocianici bloccati e vernici contenenti detti leganti
DE3228721A1 (de) * 1982-07-31 1984-02-02 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von modifizierten polyisocyanaten und ihre verwendung

Also Published As

Publication number Publication date
EP0183150B1 (de) 1990-04-18
DE3443342A1 (de) 1986-05-28
DE3577205D1 (de) 1990-05-23
EP0183150A2 (de) 1986-06-04
CA1235138A (en) 1988-04-12
JPH0667893B2 (ja) 1994-08-31
JPS61130267A (ja) 1986-06-18
ES549333A0 (es) 1987-07-01
US4656223A (en) 1987-04-07
EP0183150A3 (en) 1988-01-20
ES8706743A1 (es) 1987-07-01

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 27/11/2000

B15K Others concerning applications: alteration of classification

Ipc: C08G 18/80 (2006.01), C07C 273/18 (2006.0