Catalyst component for olefin polymerization

Details Catalyst component for olefin polymerization Catalyst component for olefin polymerization

1993-10-22

1996-01-30

Pal, Asok

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

Catalyst or precursor therefor

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

502112, 502116, 502117, B01J 3100

Patent

active

054880220

ABSTRACT:
A catalyst component for olefin polymerization which comprises an intimate mixture of: Component (A1) which is a solid component for Ziegler catalysts comprising titanium, magnesium and a halogen as essential components in a particulate form; and Component (A2) which is a compound selected from the group consisting of inorganic oxides, inorganic carbonates, inorganic sulfates and physical or chemical mixtures thereof in a particulate form; wherein Component (A2) is employed in a weight ratio to Component (A1) from 0.001 to 0.5 and has an average particle diameter smaller than that of Component (A1). The catalyst component may be of a structure such that the particulate inorganic material, Component (A2), adhere to or cover particles of a solid component of a Ziegler catalyst, whereby fluidity of the Ziegler catalyst component is improved.

REFERENCES:
patent: 4399055 (1983-08-01), Matsuura et al.
patent: 4916099 (1990-04-01), Sasaki et al.
patent: 4942148 (1990-07-01), Furuhashi et al.
patent: 4972034 (1990-11-01), Matsuura et al.
patent: 5032563 (1991-07-01), Matsuura et al.

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