Spherical catalyst for olefin polymerization

Details Spherical catalyst for olefin polymerization Spherical catalyst for olefin polymerization

2005-11-08

2005-11-08

Lorengo, J. A. (Department: 1755)

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

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

C502S116000, C502S103000, C525S053000, C525S240000, C526S065000, C526S119000, C526S114000

Reexamination Certificate

active

06962889

ABSTRACT:
Disclosed are catalyst systems and methods of making the catalyst systems/supports for the polymerization of an olefin containing a solid titanium catalyst component having a substantially spherical shape and containing a titanium compound and a support made from a magnesium compound and an alkyl silicate. The catalyst system may further contain an organoaluminum compound and an organosilicon compound. Also disclosed are methods of making an impact copolymer involving polymerizing an olefin to provide a polyolefin matrix and polymerizing a polyolefin rubber using a solid titanium catalyst component containing a titanium compound and a support made from a magnesium compound and an alkyl silicate.

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