Patent ID: 6878659
Filing Date: 2005-04-12
Classification: C08F

Abstract:
1. A solid catalyst component for polymerization of olefins, comprising: (a) a dialkoxy magnesium compound, (b) titanium tetrachloride, (c) a phthalic acid diester or a derivative thereof, and (d wherein R 1 is an alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms or a halogen atom, m, which represents the number of groups R 1 , is 0, 1, or 2, wherein when m is 2, the two R 1 groups may be either identical or different, n, which indicates the number of hydroxyl groups, is 2 or 3, and X 1 represents a group obtainable by removing (m+n) hydrogen atoms from benzene, cyclopentane, cyclohexane or naphthalene.