(DI)SILICON BRIDGED METALLOCENES THAT PRODUCE POLYETHYLENE BROAD MOLECULAR WEIGHT DISTRIBUTION AND MOLECULAR WEIGHT

(DI)SILICON BRIDGED METALLOCENES THAT PRODUCE POLYETHYLENE BROAD MOLECULAR WEIGHT DISTRIBUTION AND MOLECULAR WEIGHT

This invention relates to catalyst systems comprising a catalyst compound having a bridged group 4 metal metallocene (where the bridge preferably contains an (Me2Si)2 group, an activator, and a support material. In some embodiments, the present disclosure provides for polyolefins and a process for p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JIANG, Yan, YANG, Jian, KARAHALIS, Gregory J, BOLLER, Timothy M
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:This invention relates to catalyst systems comprising a catalyst compound having a bridged group 4 metal metallocene (where the bridge preferably contains an (Me2Si)2 group, an activator, and a support material. In some embodiments, the present disclosure provides for polyolefins and a process for producing a polyolefin composition comprising contacting at least one olefin with a catalyst system.