Catalyst component for olefin polymerization

Details Catalyst component for olefin polymerization Catalyst component for olefin polymerization

2006-01-31

2006-01-31

Lu, Caixia (Department: 1713)

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

Catalyst or precursor therefor

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

C502S113000, C502S115000, C502S116000, C502S119000, C502S128000, C526S113000, C526S114000, C526S124400, C526S124700, C526S124800, C526S124900

Reexamination Certificate

active

06992034

ABSTRACT:
A solid catalyst component useful for the (co)-polymerization of olefins is disclosed. The catalyst component is prepared by reacting an activated magnesium halide composite support with a halogenized transition metal compound and a chelating diamide compound in the presence of organo-magnesium as a promoting agent and halogenized silicon or boron compounds as an activator. The catalyst component can be used with an organo-aluminum compound to provide a solid catalyst system that is compatible with slurry and gas phase polymerization processes. Linear low density polyethylene (LLDPE) produced using the catalyst component of the present invention displays a low molecular weight distribution, improved co-monomer incorporation, low content of the low molecular weight component, and excellent morphological properties such as spherical shape and high bulk density.

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