FIELD: chemical technology, catalysts. SUBSTANCE: invention relates to method of producing the catalyst based on titanium trichloride applied on porous carrier used for stereospecific propylene polymerization. Active catalyst is used without mechanical grinding. Method involves contact of titanium trichloride with carrier. Preliminary carrier is treated with Al-organic compound. Microspheric titanium trichloride treated with higher α-olefin taken at amount above 50% of titanium trichloride is used as titanium trichloride. EFFECT: increased isotacticity of polypropylene powder, improved method of catalyst producing.
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