Catalyst component for olefin polymerization, preparation method thereof, and catalyst comprising same

US9809663B2 · kind B2 · utility

Assignees

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

Inventors

• Xianzhi Xia · Beijing, CN
• Jin Zhao · Hangzhou City, CN
• Weili Li · Beijing, CN
• Yuexiang Liu · Beijing, CN
• Yongtai Ling · Beijing, CN
• Ping Gao · Hong Kong, CN
• Yang Tan · Beijing, CN
• Futang Gao · Beijing, CN
• Renqi Peng · Beijing, CN
• Jigui Zhang · Beijing, CN

Key dates

• Filing date: Oct 17, 2014
• Grant date: Nov 7, 2017
• Expiry date: Oct 17, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F10/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides a catalyst component for olefin polymerization and a preparation method thereof, and a catalyst for olefin polymerization and an application thereof. The catalyst component for olefin polymerization comprises reaction products of the following components: (1) a solid component; (2) at least one titanium compound; and (3) at least two internal electron donors, wherein the solid component comprises a magnesium compound represented by formula (1) and an epoxide represented by formula (2), wherein R1 is a C1-C12 linear or branched alkyl; R2 and R3 are identical or different, and are independently hydrogen or unsubstituted or halogen-substituted C1-C5 linear or branched alkyl; X is halogen; m is in a range of from 0.1 to 1.9, n is in a range of from 0.1 to 1.9, and m+n=2.