Process for the high yield preparation of...

Details Process for the high yield preparation of... Process for the high yield preparation of...

C - Chemistry, Metallurgy

08

F

402/438

C08F 210/02 (2006.01) C08F 236/06 (2006.01)

Patent

CA 1043943

PROCESS FOR THE HIGH YIELD PREPARATION OF ETHYLENE-1,3-BUTADIENE COPOLYMERS. ABSTRACT OF THE DISCLOSURE . - The invention relates to the preparation of ethylene-1,3-butadiene copolymers, having improved mechanical, thermal and chemical properties and which are vulcanizable by means of the standard additives; more particularly the invention relates to a process for the copolymerization of ethylene and 1,3-butadiene, wherein the polymerization reaction is carried out in a hydrocarbon solvent in the presence of a catalytic system comprising one or more vanadium compounds and/or complexes, one or more organo-aluminium com- pounds, one or more polyhalogenated compounds, and one or more organic compounds containing at least a CX3 group (X being a halogen), all the above components being soluble in the reaction medium, whereby a high yield of the desired copolymer is obtained .

231871

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