| abstract |
Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I)n n In which nR to R 4 groups, equal to or different from each other, are hydrogen, halogen or C 1 -C 15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si, which may be linked to form a saturated or unsaturated mono or polycycle and R 5 groups, are selected from C 1 -C 15 hydrocarbon groups optionally containing an heteroatom selected from halogen, P, S, N and Si. |