Ethylene-propylene elastomeric copolymers with a low content...

Details Ethylene-propylene elastomeric copolymers with a low content... Ethylene-propylene elastomeric copolymers with a low content...

C - Chemistry, Metallurgy

08

F

C08F 210/02 (2006.01) C08F 4/68 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2120636

"ETHYLENE-PROPYLENE ELASTOMERIC COPOLYMERS WITH A LOW CONTENT OF RESIDUAL CHLORINE" A b s t r a c t In an improved process for producing elastomeric ethylene-propylene copolymers with a propylene content comprised within the range of from 22 to 38 % by weight and a content of residual chlorine, coming from the co-catalyst, lower than 300 parts per million parts, the polymerization is carried out in suspension in the monomers in the liquid state, with vanadium triacetylacetonate and alkyl-Al compounds, and the obtained polymer is recovered without any washing steps.

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