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

07

C

C07C 49/00 (2006.01) B01J 27/138 (2006.01) B01J 31/02 (2006.01) C07C 45/45 (2006.01) C07C 45/68 (2006.01) C07C 49/12 (2006.01) C07C 49/784 (2006.01) C07C 225/00 (2006.01) C07C 323/22 (2006.01) C08F 4/649 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2133352

Disclosed is a catalyst for the polymerization of olefins, comprising the product of the reaction between an Al-alkyl compound and a solid catalyst component containing a magnesium halide in active form, a titanium compound and an electron-donor selected from the 1,3-diketones of formula: (see formula I) wherein the radicals R are the same or different, the radicals R1 are the same or different, and R and R1 are C1-C20 alkyl, C3-C20 cycloalkyl, C6-C12 aryl, C7-C20 arylalkyl or alkylaryl radicals or hydrogen, with the proviso that at least one of the R radicals is not hydrogen and can be bonded with the other R radical to form a cyclic structure, and at least one of the R1 radicals, which are not bonded to one another to form a cyclic structure, is a branched alkyl, cycloalkyl or aryl radical, or is bonded to one or both R radicals to form a cyclic structure.

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