abstract |
DUAL ZIEGLER-NATTAMETALOcene CATALYST SYSTEMS WITH ACTIVATOR SUPPORTS Catalyst systems with a metallocene catalyst component and a Ziegler-type catalyst component are disclosed. Such catalyst systems may contain a metallocene compound, a cocatalyst and a supported catalyst containing a fluorinated silica coated alumina, a magnesium and vanadium and/or tetravalent titanium compound. |