Supported polymerization catalysts

Details Supported polymerization catalysts Supported polymerization catalysts

2011-01-04

2011-01-04

Lu, Caixia (Department: 1796)

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

Catalyst or precursor therefor

Organic compound containing

C502S103000, C502S120000, C502S152000, C526S129000, C526S133000, C526S134000, C526S161000, C526S943000

Reexamination Certificate

active

07863213

ABSTRACT:
A supported catalyst for olefin polymerization comprises a selected ionic activator, a selected organometallic catalyst and a support material. The selected activator must contain an active hydrogen moeity. The organometallic catalyst is characterized by having a phosphinimine ligand and a substituted cyclopentadienyl ligand (which contains from 7 to 30 carbon atoms). The supported catalyst exhibits excellent activity in gas phase olefin polymerizations and may be used under substantially “non-fouling” polymerization conditions.

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