Solid catalytic component for the polymerization of olefins

Details Solid catalytic component for the polymerization of olefins Solid catalytic component for the polymerization of olefins

1998-06-26

2000-05-02

Douyon, Lorna M.

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

Catalyst or precursor therefor

Organic compound containing

502158, 502227, 502405, B01J 3112, B01J 27135

Patent

active

060572582

ABSTRACT:
The invention relates to a process for the preparation of a solid catalytic component of metallocene type for the polymerization of olefins comprising a stage of reaction between a support and a derivative of formula R.sup.1 M.sup.1 X.sup.1.sub.3, in which R.sup.1 represents a hydrocarbon radical, M.sup.1 represents a silicon, germanium or tin atom and X.sup.1 represents a halogen atom. The solid catalytic component according to the invention exhibits a high activity in the polymerization or copolymerization of olefins and can lead to polymers or copolymers of high molecular mass and of low polydispersity, for example less than 2.5.

REFERENCES:
patent: 5399636 (1995-03-01), Alt et al.
patent: 5616752 (1997-04-01), Patsidis et al.
patent: 5733834 (1998-03-01), Soga et al.
patent: 5885924 (1999-03-01), Ward
French Search Report dated Feb. 16, 1998.
Soga, et al., Catalyst Design for Tailor-Made Polyolefins, Mar. 10-12, 1994, pp. 307-314.
Soga, Highly Isospecifi, Immobilized Zirconocene Catalysts Support on Chemically Modified SiO2, 1995, pp. 249-258, Macromol. Symp. 89.
Soga, et al, Polymerization of Propene with Highly Isospecific SiO2-supported Zirconocene Catalysts Activated with Common Alkylaluminiums, 1994, pp. 3347-3360, Macromol. Chem. Phys, 195.

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