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

252/108

C08F 4/642 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2039443

"COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINS". Abstract Catalyst components for the polymerization of olefins comprising a titanium halide or alkoxyhalide and an electron- donor compound selected from ethers having two or more ether groups and containing at least one heteroatom selected from the group consisting of N, S, P, Si, non-ether O and halogen atoms or at least one double bond, or both at least one heteroatom and at least one double bond, supported on a magnesium halide in active form. Catalysts obtained from said catalyst components and an Al-alkyl compound, as will as catalysts obtained by the reaction of an Al-alkyl compound and an ether having the above defined characteristics with a solid catalyst component comprising a titanium halide or alkoxyhalide and an electron- donor compound having particular characteristics of extractability with Al-triethyl, supported on activated magnesium halide. (HM 4007 EST)

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