Catalyst component for propene polymerization, preparation method thereof, and catalyst containing the same

US10184017B2 · kind B2 · utility

Assignees

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

Inventors

• Jun Wang · Beijing, CN
• Mingzhi Gao · Beijing, CN
• Haitao Liu · Boise, US
• Jing Ma · Beijing, CN
• Jianhua Chen · Plymouth, US
• Xiaoxia Cai · Beijing, CN
• Jixing Ma · Beijing, CN
• Changxiu Li · Beijing, CN
• Jianjun Hu · Lo Wu, CN
• Xiaofan Zhang · Beijing, CN
• Xianzhong Li · Beijing, CN
• Zhihui Zhang · Katy, US
• Ruilin Duan · Beijing, CN
• Linna Yang · Beijing, CN
• Changyou Ma · Shanghai, CN

Key dates

• Filing date: Apr 24, 2015
• Grant date: Jan 22, 2019
• Expiry date: May 17, 2035

Classification

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

Abstract

The present invention discloses a catalyst component for propene polymerization, comprising titanium, magnesium, halogen, and internal electron donor A, wherein said internal electron donor A is selected from the compounds as shown in Formula I, in Formula I, R is selected from hydrogen, hydroxyl, and substituted or unsubstituted C1-C30 hydrocarbyl, preferably from hydrogen, hydroxyl, and substituted or unsubstituted C1-C20 alkyl, C6-C30 aryl, C6-C30 heteroaryl, C7-C30 alkylaryl and C7-C30 arylalkyl; R1 and R2 may be identical to or different from each other, and are selected from hydrogen and substituted or unsubstituted C1-C30 hydrocarbyl, preferably from hydrogen and substituted or unsubstituted C1-C20 alkyl, C6-C30 aryl, C7-C30 alkylaryl and C7-C30 arylalkyl. According to the present invention, by using the compound as shown in Formula I as internal electron donor compound for propene polymerization, the catalyst has a higher activity, and a slow rate of delay of activity. The obtained polymer has not only a wider molecular weight distribution, but also a high melt index and isotacticity.