Process for preparing elastomeric ethylene copolymers

Details Process for preparing elastomeric ethylene copolymers Process for preparing elastomeric ethylene copolymers

C - Chemistry, Metallurgy

08

F

C08F 210/02 (2006.01) C08F 4/68 (2006.01)

Patent

CA 2090447

ABSTRACT Process for preparing elastomeric copolymers of ethylene with .alpha.- olefins CH2=CHR, optionally containing minor proportions of a diene, characterized by the use, during the polymerization, of a catalyst comprising the reaction product of: (I) a solid component comprising VCl3 supported on a magnesium dihalide in spherical or spheroidal shape, in active form; (II) an alkyaluminum compound; (III) optionally a halohydrocarbon. VCl3 is precipitated on said magnesium dihalide by heating VCl4 solutions in inert hydrocarbon solvents.

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