SOLID CATALYST COMPONENT, CATALYST COMPRISING SAID SOLID COMPONENT, AND PROCESS FOR THE (CO)POLYMERIZATION OF ALPHA-OLEFINS

摘要

A solid catalyst component for the (co) polymerization of a-olefins having general formula (I): ZrnMA1xC1Mgp (I) wherein : M represents titanium (Ti), vanadium (V), or mixtures thereof; n is a number ranging from 0.01 to 2; x is a number ranging from 0.1 to 4; y is a number ranging from 5 to 53; p is a number ranging from 0 to 15; obtained by means of a process comprising putting at least one zirconium arene in contact with at least one metal compound and, optionally, with at least one com¬ pound of magnesium. Said solid catalyst component can be advantageously used as a solid component in a catalyst for the (co) polymerization of a-olefins. Said catalyst can be advantageously used in a process for the (co) polymerization of a-olefins.