Poliuretano

poliuretano. a presente invenção se refere a um poliuretano de autocura, um poliol para uso no poliuretano, e ao uso do poliol e/ou poliuretano em revestimentos, elastômeros, compósitos, adesivos e/ou vedantes. o poliuretano tem capacidade de exibir autocura (por exemplo, autocura intrínseca) que re...

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Hauptverfasser: REMCO BENJAMIN VAN TRIET, ANGELA LEONARDA MARIA SMITS, WILHELMUS ADRIANUS JACOBUS HONCOOP
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creator REMCO BENJAMIN VAN TRIET
ANGELA LEONARDA MARIA SMITS
WILHELMUS ADRIANUS JACOBUS HONCOOP
description poliuretano. a presente invenção se refere a um poliuretano de autocura, um poliol para uso no poliuretano, e ao uso do poliol e/ou poliuretano em revestimentos, elastômeros, compósitos, adesivos e/ou vedantes. o poliuretano tem capacidade de exibir autocura (por exemplo, autocura intrínseca) que resulta em recuperação de uma proporção de um ou mais parâmetros físicos. o poliuretano que tem capacidade de autocura é o produto de reação de reagentes que compreende um poliol, um poli-isocianato; e, opcionalmente, um extensor de cadeia. o poliol compreende pelo menos um resíduo graxo de dímero; pelo menos um grupo uretano, amida ou carbonato; e pelo menos dois grupos finais de hidroxila. A self-healing polyurethane, a polyol for use in the polyurethane, and the use of the polyol and/or polyurethane in coatings, elastomers, composites, adhesives and/or sealants is described, where the polyurethane is capable of exhibiting self-healing which results in recovery of a proportion of one or more physical parameters. The self-healing polyurethane is the reaction product of reactants comprising a polyol, a polyisocyanate; and optionally, a chain extender, where the polyol comprises at least one dimer fatty residue; at least one carbonate group; and at least two hydroxyl end groups.
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A self-healing polyurethane, a polyol for use in the polyurethane, and the use of the polyol and/or polyurethane in coatings, elastomers, composites, adhesives and/or sealants is described, where the polyurethane is capable of exhibiting self-healing which results in recovery of a proportion of one or more physical parameters. 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A self-healing polyurethane, a polyol for use in the polyurethane, and the use of the polyol and/or polyurethane in coatings, elastomers, composites, adhesives and/or sealants is described, where the polyurethane is capable of exhibiting self-healing which results in recovery of a proportion of one or more physical parameters. The self-healing polyurethane is the reaction product of reactants comprising a polyol, a polyisocyanate; and optionally, a chain extender, where the polyol comprises at least one dimer fatty residue; at least one carbonate group; and at least two hydroxyl end groups.</abstract><oa>free_for_read</oa></addata></record>
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subjects ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COMPOSITIONS BASED THEREON
CORRECTING FLUIDS
DYES
FILLING PASTES
INKS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF MATERIALS AS ADHESIVES
USE OF MATERIALS THEREFOR
WOODSTAINS
title Poliuretano
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