Process for the polymerization of olefins and catalytic products

Details Process for the polymerization of olefins and catalytic products Process for the polymerization of olefins and catalytic products

1971-10-18

1976-10-05

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429C, 526352, C08F 402, C08F 1002

Patent

active

039843890

ABSTRACT:
This invention relates to the polymerization of .alpha.-olefins and to catalysts and to cocatalysts for that purpose wherein the polymerization is carried out in the presence of a catalyst comprising an organometallic compound of a metal of Groups IA, IIA, IIB, IIIA, and IVA of the Periodic Table and a cocatalyst comprising a reaction product of a halogenated derivative of a transition metal of Groups IVB, VB, and VIB of the Periodic Table and a hydrous divalent metal salt of a carboxylic acid, the cocatalyst having a gram equivalent ratio of halogen/divalent metal plus transition metal greater than 0.5. The invention also comprises the method of making the cocatalysts.

REFERENCES:
patent: 3676415 (1972-07-01), Diedrich et al.
patent: 3694421 (1972-09-01), Vetter

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