Ziegler-natta catalyst systems comprising a 1,2-phenylenedioate as internal donor and process for preparing the same
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United States of America Patent
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Mar 13, 2018
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Aug 10, 2016
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Jul 14, 2012
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Abstract
A catalyst composition for use as precursor for Ziegler-Natta catalyst system, said catalyst composition comprising a combination of magnesium moiety, titanium moiety and an internal donor containing at least one 1,2-phenylenedioate compound of structure (A). Also, the present invention provides a process for preparing the aforesaid catalyst composition. Further, the present invention provides a Ziegler-Natta catalyst system incorporating the aforesaid catalyst composition and a method for polymerizing and/or copolymerizing olefins using the Ziegler-Natta catalyst system.
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