申请人:PAWLOW James H.
公开号:US20100093920A1
公开(公告)日:2010-04-15
Embodiments relate to a novel catalyst composition comprising a transition metal-containing compound, a PNP compound, an alkylating agent and a fluorine containing compound. Other embodiments relate to a method of polymerizing a diene monomer in the presence of the novel composition to form a diene-containing polymer having greater than 90% cis content.