ES8706743A1 - Procedimiento para modificar poliisocianatos organicos. - Google Patents

Procedimiento para modificar poliisocianatos organicos.

Info

Publication number
ES8706743A1
ES8706743A1 ES549333A ES549333A ES8706743A1 ES 8706743 A1 ES8706743 A1 ES 8706743A1 ES 549333 A ES549333 A ES 549333A ES 549333 A ES549333 A ES 549333A ES 8706743 A1 ES8706743 A1 ES 8706743A1
Authority
ES
Spain
Prior art keywords
preparation
mols
groups
modifying agent
theiruse
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES549333A
Other languages
English (en)
Other versions
ES549333A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
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 ES8706743A1 publication Critical patent/ES8706743A1/es
Publication of ES549333A0 publication Critical patent/ES549333A0/es
Expired legal-status Critical Current

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

Landscapes

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

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE POLIISOCIANATOS MODIFICADOS. COMPRENDE LA REACCION DE UN EXCESO DE DISOCIANATOS SENCILLOS QUE TIENEN GRUPOS ISOCIANATO CON ENLACES ALIFATICOS ENTRE 140 Y 300, CON UN AGENTE DE MODIFICACION CONSTITUIDO POR UN ACIDO CARBOXILICO DE FORMULA (I), EN LA QUE R1, R2 Y R3 PUEDEN SER VARIOS RADICALES, Y AGUA, A UNA TEMPERATURA COMPRENDIDA ENTRE 20GC Y 160GC. ESTOS COMPUESTOS TIENEN APLICACIONES PARA LA OBTENCION DE LACAS DE POLIURETANO. *FORMULA*
ES549333A 1984-11-28 1985-11-27 Procedimiento para modificar poliisocianatos organicos. Expired ES8706743A1 (es)

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 (2)

Publication Number Publication Date
ES8706743A1 true ES8706743A1 (es) 1987-07-01
ES549333A0 ES549333A0 (es) 1987-07-01

Family

ID=6251356

Family Applications (1)

Application Number Title Priority Date Filing Date
ES549333A Expired ES8706743A1 (es) 1984-11-28 1985-11-27 Procedimiento para modificar poliisocianatos organicos.

Country Status (7)

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

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
BR8505941A (pt) 1986-08-19
CA1235138A (en) 1988-04-12
DE3577205D1 (de) 1990-05-23
DE3443342A1 (de) 1986-05-28
EP0183150A3 (en) 1988-01-20
JPS61130267A (ja) 1986-06-18
EP0183150B1 (de) 1990-04-18
US4656223A (en) 1987-04-07
JPH0667893B2 (ja) 1994-08-31
ES549333A0 (es) 1987-07-01
EP0183150A2 (de) 1986-06-04

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