| abstract |
catalyst component for polymerization of olefins, method for preparing a catalyst component, catalyst for polymerization of olefins, use of the catalyst and method for polymerizing olefins. the present invention provides a catalyst component for polymerization of olefins and a method of preparing the same, and a catalyst for polymerization of olefins and an application thereof. the catalyst component for olefin polymerization comprises reaction products of the following components: (1) a solid component; (2) at least one titanium compound; and (3) at least two internal electron donors, the solid component comprising a magnesium compound represented by formula (1) and an epoxide represented by formula (2), in which r1 is a linear c1-c12 alkyl group or branched; r2 and r3 are identical or different, and are independently hydrogen or straight or branched c1-c5 alkyl unsubstituted or substituted with halogen; x is halogen; m is in the range of 0.1 to 1.9; n is in the range of 0.1 to 1.9; and (m + n) = 2. |