Patent ID: 6984600
Filing Date: 2006-01-10
Classification: C08F

Abstract:
1. An olefin polymerization catalyst comprising the following components (A1), (B), and (C): (A1) a solid catalyst component prepared by contacting (a1) a dialkoxymagnesium, (b1) a tetravalent titanium halide, (c1) an electron donor compound, and (d1) a polysiloxane, (B) an organoaluminum compound of the following formula (1), wherein R 1 represents an alkyl group having 1–4 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), wherein R 2 represents a linear or branched alkyl group having 1–12 carbon atoms or a hydrogen atom, R 3 represents a linear or branched alkyl group having 1–12 carbon atoms which may be either the same as or different from R 2 , and R 4 represents a linear or branched alkyl group having 1–4 carbon atoms.