- 专利标题： Polymerization catalysts and process for producing bimodal polymers in a single reactor
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申请号： US11208077申请日： 2005-09-15
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公开(公告)号： US20070060722A1公开(公告)日： 2007-03-15
- 发明人: Kumudini Jayaratne , Michael Jensen , Qing Yang
- 申请人： Kumudini Jayaratne , Michael Jensen , Qing Yang
- 主分类号： C08F2/00
- IPC分类号： C08F2/00 ; C08F4/44 ; B01J31/00
摘要：
Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. An improved method for preparing cyclopentadienyl complexes used to produce polyolefins is also provided.
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