发明名称 |
Amide Ester Internal Electron Donor and Process |
摘要 |
Disclosed is a process for producing a procatalyst composition having an amide ester internal electron donor. The process includes pre-halogenating a procatalyst precursor before reaction with the amide ester and forming the procatalyst composition. Ziegler-Natta catalyst compositions containing the present procatalyst composition exhibit improved catalyst activity and/or improved catalyst selectivity and produce propylene-based olefins with broad molecular weight distribution.
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申请公布号 |
US2012316299(A1) |
申请公布日期 |
2012.12.13 |
申请号 |
US201113580414 |
申请日期 |
2011.02.24 |
申请人 |
CHEN LINFENG;LEUNG TAK W.;TAO TAO;SHU JAMES X.;GAO KUANQIANG;WILLIAMS CLARK C. |
发明人 |
CHEN LINFENG;LEUNG TAK W.;TAO TAO;SHU JAMES X.;GAO KUANQIANG;WILLIAMS CLARK C. |
分类号 |
C08F4/649;C08F10/06 |
主分类号 |
C08F4/649 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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