PROCESS FOR THE PREPARATION OF NEW CATALYSTS CONTAINING VANADIUM-ZIRCONICS COIMPREGNATED FOR THE MANUFACTURE OF POLYETHYLENE WITH A LONG DISTRIBUTION OR A BIMODAL DISTRIBUTION OF MOLECULAR MASSES AND POLYMERIZATION OF ETHYLENE WITH THAT CATALYST

摘要

A supported, electron donor-complexed reduced vanadium (3)/zirconium coimpregnated catalyst possessing enhanced activity, the methods of its manufacture and ethylene polymers of broad molecular weight distribution produced therewith.