Beijing Lihe Technology Ltd

Xinghuo Wang

Hao Chen

Yong Ying Gao

Junwei Zhang

Huashu Li

Zhiwu Wang

Qingli Ma

Shuhang Li

Jinsong Dai

Wenjie Jiao

Le Hu

Provided is an alkoxy magnesium supported olefin polymerization catalyst component, comprising the reaction products of the following components: at least one alkoxy magnesium compound of Mg(OR1')N(OR2&#x2032;)2-N, at least one titanium compound of general formula Ti(OR)nX4-n, at least one ortho-phenylene diester electron donor compound a, and at least one diether electron donor compound b, wherein the molar ratio of a to b is 0.05 to 20. The catalyst component has an ultrahigh polymerization activity when used for olefin polymerization, and does not require the use of an external electron donor, but can also obtain a polymer with a high isotacticity, and the resulting polymer has a relatively wide molecular weight distribution and a relatively low ash content.

Alkoxy magnesium supported olefin polymerization catalyst component, catalyst and application thereof

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Beijing, China

Xinghuo Wang