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US 12,012,476 B2Granted
Catalyst for the polymerization of olefins
AssigneeBasell Poliolefine Italia S.r.l.
InventorsSimona Guidotti, Dario Liguori, Giampiero Morini
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Abstract
A catalyst for the polymerization of olefins made from or containing (a) a solid catalyst component containing Mg, Ti and optionally an internal electron donor compound (ID), (b) an aluminum alky compound, and (c) an external electron donor (ED) selected from non-aromatic diazo compounds.
Claims15
A catalyst for the polymerization of olefins comprising;
- (a) a solid catalyst component containing Mg, Ti and optionally an internal electron donor compound (ID),
- (b) an aluminum alkyl compound, and
- (c) an external electron donor (ED) of formula (I)
- wherein the R1 to R3 groups, equal to, or different from, each other, are selected from hydrogen or C1-C15 hydrocarbon groups, R4 group is selected from hydrogen, C1-C15 hydrocarbon groups, and —NR2 groups wherein R groups have the same meaning as R1 to R3 groups.
1 more element
Dependencies are inferred from the claim text.