Solid catalyst component for polymerization of olefins, catalyst comprising the same and use thereof

US7388061B2 · 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
• Zhulan Li · Beijing, CN
• Jun Wang · Beijing, CN
• Juxiu Yang · Beijing, CN
• Tianyi Li · Nanjing, CN
• Xiaodong Wang · Zhejiang, CN
• Changxiu Li · Beijing, CN
• Chunming Ding · Beijing, CN

Key dates

• Filing date: Jan 30, 2003
• Grant date: Jun 17, 2008
• Expiry date: May 16, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/52
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides a solid catalyst component for the polymerization of olefins, comprising magnesium, titanium, a halogen and an electron donor, wherein said electron donor comprises at least one selected from the group consisting of ester of polyol of the formula (I):R1CO—O—CR3R4—A—CR5R6—O—CO—R2  (I)wherein, R1 and R2 groups, which may be identical or different, can be substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R3-R6 groups, which may be identical or different, can be selected from the group consisting of hydrogen, halogen or substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R1-R6 groups optionally contain one or more hetero-atoms replacing carbon, hydrogen atom or the both, said hetero-atom is selected from the group consisting of nitrogen, oxygen, sulfur, silicon, phosphorus and halogen atom, two or more of R3-R6 groups can be linked to form saturated or unsaturated monocyclic or polycyclic ring A is a single bond or bivalent linking group with chain length between two free radicals being 1-10 atoms, wherein said bivalent linking group is selected from the group consisting of aliphatic, alicyclic and aromatic bivalent r…