Catalyst component for olefin polymerization and catalyst comprising the same

US7351778B2 · kind B2 · utility

Assignees

• CHINA PETROLEUM & CHEMICAL CORPORATION · CN
• BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION · CN

Inventors

• Mingzhi Gao · Beijing, CN
• Haitao Liu · Boise, US
• Tianyi Li · Nanjing, CN
• Xianzhong Li · Beijing, CN
• Changxiu Li · Beijing, CN
• Jiyu Li · Hefei, CN
• Lingyan Xing · Beijing, CN
• Juxiu Yang · Beijing, CN
• Jing Ma · Beijing, CN
• Xiaodong Wang · Zhejiang, CN
• Chunmin Ding · Beijing, CN

Key dates

• Filing date: Apr 28, 2005
• Grant date: Apr 1, 2008
• Expiry date: May 17, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F110/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides a catalyst component for polymerization of olefin CH2═CHR, in which R is hydrogen or C1-C12 alkyl or aryl, comprising magnesium, titanium, a halogen and an electron donor compound (a) which is at least one selected from the group consisting of dibasic ester compounds of the formula (I), and said catalyst component optionally further comprising an electron donor compound (b) selected from the group consisting of aliphatic dicarboxylic esters and aromatic dicarboxylic esters, and/or an electron donor compound (c) selected from the group consisting of 1,3-diether compounds of formula (IV):