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SUCCINATE-CONTAINING POLYMERIZATION CATALYST SYSTEM USING BMDS FOR PREPARATION OF POLYPROPYLENE FILM GRADE RESINS
SUCCINATE-CONTAINING POLYMERIZATION CATALYST SYSTEM USING BMDS FOR PREPARATION OF POLYPROPYLENE FILM GRADE RESINS
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机译:BMDS的含硫酸盐聚合催化剂体系制备聚丙烯膜级树脂
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摘要
It has been discovered that using n-butylmethyldimethoxysilane (BMDS) as an external electron donor for succinate-containing Ziegler-Natta catalysts can provide a catalyst system that may prepare polypropylene films with improved properties. The catalyst systems of the invention provide for controlled chain defects/defect distribution and thus a regulated microtacticity along with broadened molecular weight distribution.
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