Patent ID: 6930069

Claim:
A catalyst for olefin polymerization, comprising: (A) a solid catalyst component prepared by reacting (a) a dialkoxymagnesium, (b) a tetravalent titanium halide compound, and (c) an electron donor compound, (B) an organoaluminum compound of the following formula (1), R 1 p AlQ 3-p (1) wherein R 1 represents an alkyl group having 1 to 4 carbon atoms, Q represents a hydrogen atom or a halogen atom, and p represents a real number satisfying the formula 0<p ≦3, and (c) an aminosilane compound of the following formula (2), R 2 R 3 Si(OR 4 ) 2 (2) wherein R 2 represents a perhydroquinolino group or perhydroisoquinolino group, R 3 represents a perhydroquinolino group, perhydroisoquinolino group, an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group, phenyl group, vinyl group, allyl group, or aralkyl group, the R 3 group being either the same as or different from the R 2 group, and R 4 individually represents an alkyl group having 1 to 4 carbon atoms, a cycloalkyl group, phenyl group, vinyl group, allyl group, or aralkyl group.