PROCESS FOR THE PREPARATION OF A POLYURETHANE FOAM

The present invention relates to processes for the preparation of polyurethane foams comprising a step wherein a chemical compound with a low particle size releases a chemical and/or physical blowing agent by decomposition, polyurethane foams prepared by such processes as well as compositions compri...

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Hauptverfasser:	FABRE, JEAN, BORNER, KARSTEN, KANG, JOO-HEE, HARDINGHAUS, FERDINAND
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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creator	FABRE, JEAN BORNER, KARSTEN KANG, JOO-HEE HARDINGHAUS, FERDINAND
description	The present invention relates to processes for the preparation of polyurethane foams comprising a step wherein a chemical compound with a low particle size releases a chemical and/or physical blowing agent by decomposition, polyurethane foams prepared by such processes as well as compositions comprising at least one polyol and a chemical compound with a low particle size capable of releasing a chemical and/or physical blowing agent by thermally- and/or chemically-induced degradation and uses of such compositions. La présente invention concerne des procédés pour la préparation de mousses de polyuréthane comprenant une étape dans laquelle un composé chimique de faible granulométrie libère un agent gonflant chimique et/ou physique par décomposition, des mousses de polyuréthane préparées par de tels procédés ainsi que des compositions comprenant au moins un polyol et un composé chimique de faible granulométrie pouvant libérer un agent gonflant chimique et/ou physique par dégradation induite thermiquement et/ou chimiquement et des utilisations de telles compositions.
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subjects	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
title	PROCESS FOR THE PREPARATION OF A POLYURETHANE FOAM
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