Catalyst component for olefin polymerization and application thereof

A solid catalyst component for olefin polymerization, comprising an electron donor having the below structure

• wherein the solid catalyst component is the reaction product of a magnesium compound, a titanium compound, and the electron donor, wherein the magnesium compound is selected from at least one of:
• Mg(OR)2, XnMg(OR)2-n, MgCl2.mROH, R2-nMgXn, MgR2, MgCl2/SiO2, MgCl2/Al2O3, wherein m is a number from 0.1 to 6, 0<n<2, X is halogen, R is hydrogen or C1-C20 hydrocarbon group;
• and wherein the Ti compound is represented by the general formula TiXn(OR′)4-n, wherein R′ is C1-C20 hydrocarbon group, X is halogen, and n=1-4.