Procatalyst Composition with Substitute 1,2-Phenylene Aromatic Diester Internal Donor and Method
First Claim
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1. A procatalyst composition comprising:
- a combination of a magnesium moiety, a titanium moiety and an internal electron donor comprising a substituted phenylene aromatic diester.
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Abstract
Disclosed are procatalyst compositions having an internal electron donor which include a substituted phenylene aromatic diester and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit high activity and produce propylene-based olefins with broad molecular weight distribution.
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20 Claims
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1. A procatalyst composition comprising:
a combination of a magnesium moiety, a titanium moiety and an internal electron donor comprising a substituted phenylene aromatic diester. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A catalyst composition comprising:
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a procatalyst composition comprising a substituted phenylene aromatic diester; and a cocatalyst. - View Dependent Claims (19)
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20. A process for producing an olefin-based polymer comprising:
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contacting, under polymerization conditions, an olefin with a catalyst composition comprising a substituted phenylene aromatic diester; and forming an olefin-based polymer.
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Specification