Magnesium halide adducts, catalyst components and catalysts comprising the same, and preparation processes thereof

US9068026B2 · 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
• Yuexiang Liu · Beijing, CN
• Jin Zhao · Hangzhou City, CN
• Jigui Zhang · Beijing, CN
• Yongtai Ling · Beijing, CN
• Weili Li · Beijing, CN
• Suzhen Qiao · Beijing, CN
• Yang Tan · Beijing, CN
• Renqi Peng · Beijing, CN
• Ping Gao · Hong Kong, CN
• Futang Gao · Beijing, CN
• Zhihui Zhang · Katy, US

Key dates

• Filing date: May 25, 2012
• Grant date: Jun 30, 2015
• Expiry date: Feb 6, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F110/06
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A magnesium halide adduct is provided, comprising at least one compound of the formula MgXY, at least one compound of the formula ROH, methanol, at least one modifying agent chosen from DOE and o-hydroxy benzoates, and optionally water. Also provided herein are a catalyst component comprising the magnesium halide adduct, a catalyst for olefin polymerization comprising the catalyst component; the respective processes for preparing the magnesium halide adduct and the catalyst component; use of the magnesium halide adduct for preparing the catalyst component, use of the catalyst component in a catalyst for olefin polymerization and use of the catalyst in olefin polymerization; and a process of olefin polymerization.