Method of preparing a supported Ziegler-catalyst for the polymerisation of alpha-olefins.

摘要

Method of preparing a supported Ziegler-catalyst active in the polymerisation of alpha-olefins to polymers particularly suited to working by blow-moulding, by reacting:
<UnorderedLists id="ula01" listStyle="none"><ListItem>A) an organometallic compound of aluminium and</ListItem><ListItem>B) the product of the reaction of titanium and vanadium halides with a solid support obtained by the spray drying of magnesium chloride in a mixed solution of ethanol and methanol, the support containing both ethanolic and methanolic alcoholic hydroxyl groups.</ListItem></UnorderedLists>