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Procatalyst composition having a 2-propenoic acid alkoxyalkyl internal electron donor, and a polymer with the procatalyst composition
Procatalyst composition having a 2-propenoic acid alkoxyalkyl internal electron donor, and a polymer with the procatalyst composition
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机译:具有2-丙酸烷氧基烷基内部电子供体的前催化剂组合物以及具有该前催化剂组合物的聚合物
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摘要
Disclosed herein are catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present catalyst compositions contain an internal electron donor of an alkoxyalkyl 2-propenoate and optionally a mixed external electron donor. The present catalyst compositions improve catalyst selectivity and polymer stiffness. Polypropylene homopolymer produced from the present catalyst composition has a xylene solubles content less than 4 wt % and a TMF greater than 172.0° C.
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