| abstract |
The carrier component olefin polymerization catalyst composed predominantly of a magnesium compound precipitated from a solution, and a titanium halide, vanadyl halide or vanadium halide supported. The solution also comprises a catalyst for use in the polymerization of olefins, which consists of a carrier, predominantly a magnesium compound precipitated from the solution, and a supported catalyst component, selected from a titanium halide, a vanadyl halide or a vanadium halide.nŕ |