VERFAHREN ZUR HERSTELLUNG VON POLYETHERALKOHOLEN

VERFAHREN ZUR HERSTELLUNG VON POLYETHERALKOHOLEN

In a process for preparing polyether alcohols by catalytic addition of at least two alkylene oxides onto H-functional initiator substances, at least one multimetal cyanide compound is used as catalyst and the addition of the alkylene oxides onto the initiator substance includes incorporation of at l...

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Hauptverfasser: WINKLER, JUERGEN, PAREDIS, ELS, GROSCH, GEORG, HEINRICH, ROTERMUND, INGE, BAUER, STEPHAN, HARRE, KATHRIN, HOEPPNER, GERD, LORENZ, REINHARD
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator WINKLER, JUERGEN
PAREDIS, ELS
GROSCH, GEORG, HEINRICH
ROTERMUND, INGE
BAUER, STEPHAN
HARRE, KATHRIN
HOEPPNER, GERD
LORENZ, REINHARD
description In a process for preparing polyether alcohols by catalytic addition of at least two alkylene oxides onto H-functional initiator substances, at least one multimetal cyanide compound is used as catalyst and the addition of the alkylene oxides onto the initiator substance includes incorporation of at least one oxyalkylene block during whose formation at least two alkylene oxides are metered in together and the ratio of the alkylene oxides to one another in the mixture is changed during the joint introduction.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title VERFAHREN ZUR HERSTELLUNG VON POLYETHERALKOHOLEN
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