发明名称 |
Polypropylene solution polymerization process |
摘要 |
A process for polymerization of propylene, optionally ethylene, and further optionally one or more C4-30α-olefins and/or one or more conjugated or nonconjugated dienes under continuous, solution polymerization conditions to prepare a high molecular weight polymer or interpolymer, said process comprising conducting the polymerization in the presence of a catalyst composition comprising a hafnium complex of a polyvalent aryloxyether.
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申请公布号 |
US8058373(B2) |
申请公布日期 |
2011.11.15 |
申请号 |
US20070300515 |
申请日期 |
2007.04.24 |
申请人 |
STEVENS JAMES C.;VANDERLENDE DANIEL D.;DOW GLOBAL TECHNOLOGIES LLC |
发明人 |
STEVENS JAMES C.;VANDERLENDE DANIEL D. |
分类号 |
C08F4/76;C08F4/52;C08F4/64;C08F110/06;C08F210/06 |
主分类号 |
C08F4/76 |
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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