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 4/646 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2111308

ABSTRACT The present invention relates to spherical solid catalyst com- ponents for the polymerization of olefins, comprising a tita- nium compound, supported on a magnesium halide, containing more than one Ti-halogen link and optionally containing groups different from halogen in an amount lower than 0.5 mole per mole of Ti. Spherical solid compounds of the invention are characterized by having a surface area, measured by the BET method, of lower than 70 m2/g, a total porosity, measured by the mercurium method, higher than 0.5 cm3/g and a pore radius such that at least 50% have values higher than 800 .ANG..

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