FIELD: catalytic chemistry. SUBSTANCE: metallic magnesium is dissolved in methanol saturated with hydrogen chloride with subsequent addition of TiCl4 in the necessary relation to magnesium, then electrochemical reduction of TiCl4 to TiCl3 is accomplished. The test of activity of obtained catalytic system jointly with cocatalyst triethyl aluminium in reaction of polymerization of ethylene and propylene shows activity similar to the known one. EFFECT: simplified process and reduced time of preparation from 16 h to 5 to 10 min. 1 tbl
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