METHOD FOR PREPARING POLYOLS

The present invention relates to a method for preparing a polycarbonate ether polyol, by reacting an epoxide and carbon dioxide in the presence of a catalyst of formula (I), a double metal cyanide (DMC) catalyst and a starter compound. The catalyst of formula (I) is as follows. La présente invention...

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Hauptverfasser:	KEMBER, Michael, BLACKBURN, Anthea, KABIR, Rakib
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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creator	KEMBER, Michael BLACKBURN, Anthea KABIR, Rakib
description	The present invention relates to a method for preparing a polycarbonate ether polyol, by reacting an epoxide and carbon dioxide in the presence of a catalyst of formula (I), a double metal cyanide (DMC) catalyst and a starter compound. The catalyst of formula (I) is as follows. La présente invention concerne un procédé de préparation d'un polyol d'éther polycarbonate par réaction d'un époxyde et de dioxyde de carbone en présence d'un catalyseur de formule (I), d'un catalyseur à base de cyanure métallique double (DMC) et d'un composé initiateur. Le catalyseur de formule (I) est comme suit :
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The catalyst of formula (I) is as follows. La présente invention concerne un procédé de préparation d'un polyol d'éther polycarbonate par réaction d'un époxyde et de dioxyde de carbone en présence d'un catalyseur de formule (I), d'un catalyseur à base de cyanure métallique double (DMC) et d'un composé initiateur. 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subjects	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
title	METHOD FOR PREPARING POLYOLS
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