Catalyst components for the polymerization of olefins
AssigneeBasell Poliolefine Italia S.r.l.
InventorsAlessandro Mignogna, Reynald Chevalier, Igor Kashulin, Ilya Nifant'ev, Giampiero Morini, Martin Schneider
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Abstract
Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of formula (I) In which X and Y are selected from, R1, and —OR1 and —NR2, B is oxygen or sulphur S is sulphur, R1 is selected from C1-C15 hydrocarbon groups, optionally contain a heteroatom selected from halogen, P, S, N, O and Si, which can be fused together to form one or more cycles, R is hydrogen or R1 and A is a bivalent bridging group with chain length between the two bridging bonds being 1-10 atoms.
Claims10
A solid catalyst component for the polymerization of olefins comprising Mg, Ti, Cl and at least an electron donor compound of formula (III):
- in which X and Y are independently selected from the group consisting of R1 groups selected from C1-C10 alkyl groups, C6-C15 aryl or alkylaryl groups;
- —OR1 groups where R1 is selected from C1-C10 alkyl groups, C6-C15 aryl or alkylaryl groups;
- and —NR2 groups where R2 is selected from hydrogen and C1-C20 hydrocarbon radicals optionally comprising a heteroatom selected from a halogen, P, S, N, O, and Si, wherein the C1-C20 hydrocarbon radicals may be fused together to form one or more cyclic compounds
- B is oxygen or sulfur;
- S is sulfur;
- and
- at least one of R9-R12 is different from hydrogen, and the one or more groups selected from R9, R11, and/or R12 that are not hydrogen is a C1-C5 alkyl group.
Dependencies are inferred from the claim text.