Components and catalysts for the polymerization of olefins

Details Components and catalysts for the polymerization of olefins Components and catalysts for the polymerization of olefins

C - Chemistry, Metallurgy

08

F

C08F 4/643 (2006.01) C08F 4/649 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2112214

ABSTRACT Catalyst components for the polymerization of olefins are obtained by supporting on a magnesium dihalide in spherical form having particular porosity values; the product of the reaction of: a titanium compound containing at least one Ti- halogen link and/or a Ti-OR link with the solid obtained from the decomposition to magnesium dihalide or to a product con- taining magnesium dihalide, of a complex having the formula: MgX ? nAlRIIX21 ? pAlX3 wherein X is chorine or bromine, X1 is chlorine, bromine or alkoxy group; RII is a hydrocarbon radical having 1-20 carbon atoms; n is an integer from 1 to 6; p is an integer from 0 to 1; (n+p) is an integer comprised between 1 and 6 inclusive.

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