[EN] METHOD FOR SYNTHESIS OF MONOCYCLOPENTADIENYL COMPLEXES OF ZIRCONIUM AND HAFNIUM [FR] PROCÉDÉ POUR LA SYNTHÈSE DE COMPLEXES DE MONOCYCLOPENTADIÉNYLE DE ZIRCONIUM ET D'HAFNIUM
Polymerization catalysts and process for producing bimodal polymers in a single reactor
申请人:Jayaratne C. Kumudini
公开号:US20080004460A1
公开(公告)日:2008-01-03
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.