ISOTACTIC PROPYLENE HOMOPOLYMERS AND COPOLYMERS PRODUCED WITH C1 SYMMETRIC METALLOCENE CATALYSTS

The present disclosure provides catalyst compounds comprising asymmetric bridged metallocenes containing a ligand having at least one saturated ring, catalyst systems including such compounds, and uses thereof. Catalyst compounds of the present disclosure can include indacenyl-type ligands. In anoth...

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Bibliographische Detailangaben
Hauptverfasser: LIN, Tzu-Pin, MCCULLOUGH, Laughlin, G, SHIVOKHIN, Maksim, LOPEZ-BARRON, Carlos R, LUO, Lubin, LAMBIC, Nikola, S
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The present disclosure provides catalyst compounds comprising asymmetric bridged metallocenes containing a ligand having at least one saturated ring, catalyst systems including such compounds, and uses thereof. Catalyst compounds of the present disclosure can include indacenyl-type ligands. In another class of embodiments, the present disclosure is directed to polymerization processes to produce polyolefin polymers from catalyst systems including one or more olefin polymerization catalysts, at least one activator, and an optional support.