Catalyst for the polymerization of olefins based upon magnesium

Details Catalyst for the polymerization of olefins based upon magnesium Catalyst for the polymerization of olefins based upon magnesium

1981-03-10

1984-03-20

Garvin, Patrick

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

Catalyst or precursor therefor

Organic compound containing

252429C, 526137, 526138, 526144, 526148, 526151, 502171, C08F 464, C08F 468

Patent

active

044380194

ABSTRACT:
The invention is addressed to solid catalysts comprising essentially compounds of magnesium and of transition metals selected from the sub-groups IVa, Va and VIa of the periodic table, applicable to the polymerization of olefins and particularly ethylene, in which the catalyst is obtained by first preparing a solid compound of magnesium, monohalogenated hydrocarbon and halogen and/or organic derivatives of the transition metal in a state of valency of at least 4 and then reacting the solid compound of magnesium and transition metal with an oxidizing compound.

REFERENCES:
patent: 3094568 (1963-06-01), Hay et al.
patent: 3392159 (1968-07-01), Schooley et al.
patent: 3424736 (1969-01-01), Nudenberg et al.
patent: 3624056 (1971-11-01), Minchak
patent: 3814743 (1974-06-01), Tornquist et al.

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