Internal donor for olefin polymerization catalysts

Details Internal donor for olefin polymerization catalysts Internal donor for olefin polymerization catalysts

2011-08-23

2011-08-23

Mayes, Melvin C (Department: 1732)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

C502S172000, C502S152000, C526S126000

Reexamination Certificate

active

08003559

ABSTRACT:
Disclosed are solid titanium catalyst components, catalyst systems containing solid titanium catalyst components, and methods of making solid titanium catalyst components. The solid titanium catalyst components contain an internal electron donor compound containing at least one ether group and at least one ketone group. The catalyst system can contain a solid titanium catalyst component, an organoaluminum compound, and an organosilicon compound. Also disclosed are methods of polymerizing or copolymerizing an alpha-olefin. The methods involve contacting an olefin with a catalyst system containing the solid titanium catalyst component.

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