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US 7,223,712 B2Granted
Catalyst component for the (CO)polymerization of olefins
AssigneeBasell Poliolefine Italia S.r.l.
InventorsGiampiero Morini, Giulio Balbontin, Ronald R. Andrea, Van Loon Jan Dirk
Life of this patent
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Abstract
An internal electron-donor compound selected from the 1,3-diethers of formula (I) in which R is a C1–C10 alkyl group, R1 is a linear or branched primary alkyl radical having at least three carbon atoms, optionally containing a heteroatom, and R2 is a secondary alkyl or cycloalkyl radicals different from i-propyl, optionally containing a heteroatom.
Claims5
An electron-donor compound comprising a 1,3-diether of formula (I)
- in which R is a C1–C10 alkyl group, R1 is n-butyl, n-pentyl, n-hexyl, n-heptyl, i-butyl or i-pentyl, optionally containing a heteroatom, and R2 is a cycloalkyl or (R3)2—CH—group, optionally containing a heteroatom, where the R3 groups, same or different from each other, are C1–C10 linear alkyl radicals, provided that said R3 groups are not contemporarily CH3.
Dependencies are inferred from the claim text.