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

US12121880B2 · kind B2 · utility

Assignees

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

Inventors

• Rui Zhang · Hubei, CN
• Zhong Tan · Beijing, CN
• Qilong Zhou · Beijing, CN
• Xiudong Xu · Beijing, CN
• Fengkui Li · Houston, US
• Shanshan Yin · Chengdu, CN
• Jinhua Yu · Beijing, CN
• Weiwei Song · San Jose, US

Key dates

• Filing date: May 21, 2019
• Grant date: Oct 22, 2024
• Expiry date: Oct 28, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F2410/03
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A catalyst component for olefin polymerization includes magnesium, titanium, a halogen, an internal electron donor compound, and a precipitation aid. The precipitation aid includes a precipitation aid represented by general formula (I). The precipitation aid represented by general formula (I) includes isomers represented by general formula (I-a) and/or (I-b).