FIELD: chemistry.
SUBSTANCE: invention relates to a catalyst composition for the polymerization of alkene, comprising: titanate of the formula Ti(OR)4, wherein all R are the same or different and each R is a hydrocarbon residue, wherein the hydrocarbon residue is an alkyl group or an aryl group; a modifier-catalyst on the basis of simple ether and iluminacin, iluminacin is methylaluminoxane modified methylaluminoxane or a combination thereof, and an additional organoaluminum compound, which is different from methylaluminoxane and modified methylaluminoxane, wherein the modified methylaluminoxane is a copolymer containing repeating units of MeAlO and repeating links R3AlO, where R3 denotes C2-12 of the hydrocarbon residue. The invention also relates to a method for synthesis of the said compounds.
EFFECT: catalyst has improved viability and initiation time.
14 cl, 3 ex, 3 tbl, 2 dwg
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