Process for preparing a catalyst for polymerization or copolymer

Details Process for preparing a catalyst for polymerization or copolymer Process for preparing a catalyst for polymerization or copolymer

1986-04-03

1987-02-17

Garvin, Patrick P.

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

Catalyst or precursor therefor

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

502116, 526128, C08F 464

Patent

active

046439862

ABSTRACT:
A process for preparing a catalyst for polymerization or copolymerization of ethylene, which comprises reacting a silicone compound (I) of the formula R.sup.4.sub.a H.sub.b SiO.sub.(4-a-b)/2 or R.sup.5.sub.n Si(OH).sub.4-n or a condensate thereof and an organomagnesium compound (II) of the formula (MgR.sup.6.sub.2).sub.p.(R.sup.6 MgX).sub.q to obtain a product (A), reacting the product (A) with a titanium compound (III) of the formula Ti(OR.sup.2).sub.m X.sub.4-m and a silicone halide compound (IV) of the formula R.sup.1.sub.L SiX.sub.4-L to obtain a product (B), reacting the product (B) with an organoaluminum halide compound (V) of the formula R.sup.3.sub.c AlX.sub.3-c to obtain a solid component (C), and bringing the solid component (C) in contact with an organoaluminum compound (VI) of the formula R.sub.d AlY.sub.3-d.

REFERENCES:
patent: 3907759 (1975-09-01), Okada et al.
patent: 4525557 (1985-06-01), Heilman et al.

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