CATALYST COMPONENT AND PROCESS FOR PRODUCING THEREOF, CATALYST AND PROCESS FOR POLYMERIZATION OF OLEFINS
A solid component of catalyst, active in the polymerization of propylene and other alpha -olefins in stereoregular polymers, is obtained: (i) by treating a non-activated silica support in particles with a tin tetrahalide, to at least partially block the hydroxylic groups of the silica and to obtain...
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