Sterically demanding dialkokxydialkylsilanes as external donors for Ziegler catalysts for the polymerization of propylene

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United States of America Patent

PATENT NO 9725536
APP PUB NO 20150152202A1
SERIAL NO

14411061

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Abstract

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A process for the polymerization of propylene is disclosed. The process may include contacting, in a gas phase polymerization reactor, propylene and optionally one or more comonomers with a catalyst system comprising a Ziegler-Natta catalyst and an external electron donor system comprising di(bicyclo[2.2.1]heptan-2-yl)dimethoxysilane.

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Patent Owner(s)

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LUMMUS NOVOLEN TECHNOLOGY GMBH68165 MANNHEIM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Denkwitz, Yvonne Mannheim, DE 7 16
Nogai, Stefan Heidelberg, DE 5 6
Schuster, Oliver Weinheim, DE 22 134
Winter, Andreas Neuleininger, DE 220 6188

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