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公开(公告)号：US20180162964A1
公开(公告)日：2018-06-14
申请号：US15570809
申请日：2016-05-27
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Jian Yang , Lubin Luo , Steven D Brown , Xiongdong Lian
Abstract: This invention relates to supported metallocene catalyst systems for polymerization, the catalyst systems comprising asymmetrically substituted indenyl groups, high surface area supports, and aluminoxane activators. This invention also relates to methods for polymerizing olefins, including methods for producing isotactic polypropylene.
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