PROCESS FOR PRODUCING POLYETHYLENE

PROCESS FOR PRODUCING POLYETHYLENE

A novel process for producing homopolymers and copolymers of ethylene which involves contacting ethylene and/or ethylene and at least one or more other olefin(s) under polymerization conditions with a Ziegler-Natta type catalyst, at least one halogenated hydrocarbon, at least one compound of the for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VANDERBILT, JEFFREY, JAMES, AMES, WILLIAM, ALBERT, WONDERS, ALAN, GEORGE, FORD, RANDAL, RAY, DOOLEY, KENNETH, ALAN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:A novel process for producing homopolymers and copolymers of ethylene which involves contacting ethylene and/or ethylene and at least one or more other olefin(s) under polymerization conditions with a Ziegler-Natta type catalyst, at least one halogenated hydrocarbon, at least one compound of the formula XnER3-n as a co-catalyst and at least one compound containing at least one carbon-oxygen-carbon linkage (C-O-C) of the formula R -O(-R -O)n-R as an external electron donor. Also provided are films and articles produced therefrom.