Process for preparation of a transition metal component for a ca

Details Process for preparation of a transition metal component for a ca Process for preparation of a transition metal component for a ca

1984-05-25

1985-08-20

Garvin, Patrick P.

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

Zeolite or clay, including gallium analogs

Including organic component

502104, 502108, 502115, 526151, 526125, C08F 462, C08F 464, C08F 468

Patent

active

045364842

ABSTRACT:
A process for preparation of a transition metal component of a catalytic system for the polymerization of olefins, wherein an organo-magnesium-aluminum reaction product is formed by bringing into contact, a halogenated, alkylated or alkoxylated magnesium compound with an organo-aluminum compound, then subjecting the reaction product to a chlorination and to a treatment by a compound of a transition metal such as Ti, V, Zr and Cr.
As an organo-aluminum compound there is used one or several aluminoxane compounds of the formula ##STR1## wherein R' is an alkyl or from C.sub.1 to C.sub.16, the R"s form together a radical --O-- or designate each a radical R' and n is an integer of from 0 to 20.
The transition metal component obtained can be used in combination with a co-catalyst and eventually an electron donor to form a catalytic system apt to polymerize the alpha-olefins.

REFERENCES:
patent: 3094568 (1963-06-01), Hay et al.
patent: 3231550 (1966-01-01), Manyik et al.
patent: 4097659 (1978-06-01), Creemers et al.
patent: 4314912 (1982-02-01), Lowery et al.
patent: 4347157 (1982-08-01), Yamada et al.
patent: 4461846 (1984-07-01), Harris et al.

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