发明名称 |
Catalyst compositions for producing high Mz/Mw polyolefins |
摘要 |
The present invention provides a polymerization process utilizing a dual ansa-metallocene catalyst system. Polymers produced from the polymerization process are also provided, and these polymers have a reverse comonomer distribution, a non-bimodal molecular weight distribution, a ratio of Mw/Mn from about 3 to about 8, and a ratio of Mz/Mw from about 3 to about 6. |
申请公布号 |
US8691715(B2) |
申请公布日期 |
2014.04.08 |
申请号 |
US201313748619 |
申请日期 |
2013.01.24 |
申请人 |
CHEVRON PHILLIPS CHEMICAL COMPANY LP |
发明人 |
YANG QING;MCDANIEL MAX P.;BEAULIEU WILLIAM B.;MARTIN JOEL L.;CRAIN TONY R. |
分类号 |
C08F4/6592;C08F4/642;C08F4/646;C08F210/16 |
主分类号 |
C08F4/6592 |
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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