Catalysts for the preparation of elastomeric, saturated or...

Details Catalysts for the preparation of elastomeric, saturated or... Catalysts for the preparation of elastomeric, saturated or...

C - Chemistry, Metallurgy

08

F

402/559, 402/562

C08F 4/64 (2006.01) C08F 4/68 (2006.01) C08F 210/16 (2006.01)

Patent

CA 1295083

CATALYSTS FOR THE PREPARATION ELASTOMERIC, SATURAT- ED OR UNSATURATED OLEFINIC COPOLYMERS, AND COPOLYMERS OBTAINED WITH THEM". ABSTRACT OF DISCLOSURE Catalyst for the preparation of copolymers of ethylene and/or alpha-olefins and optionally dienes, obtained by reacting an Al-alkyl with a solid catalytic component compris ing: (A) a magnesium compound containing at least an Mg-halogen bond; (B) a halogenated compound of at least partly trivalent Ti or V, containing at least a Ti-OR or V-OR bond, wherein the Mg/Ti(V), halogen/Ti(V), halogen/Mg and OR/Ti(V) ato mic ratios are comprised within determined ranges; (C) an electron-donor compound. Elastomeric copolymers endowed with improved tension set values, obtained with said catalysts.

548427

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