Catalyst component for olefin polymerization, preparation method thereof, and catalyst including same
AssigneesChina Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
InventorsRui Zhang, Zhong Tan, Qilong Zhou, Xiudong Xu, Fengkui Li, Shanshan Yin, Jinhua Yu, Weiwei Song
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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).
Claims20
A catalyst component for olefin polymerization, comprising magnesium, titanium, a halogen, an internal electron donor compound and a precipitating auxiliary, wherein the precipitating auxiliary comprises at least one precipitating auxiliary a represented by formula (I):
- wherein R1 and R2 are each independently selected from the group consisting of C1-C10 alkyl, C3-C10 cycloalkyl, C6-C10 aryl and C7-C10 aralkyl, either substituted or unsubstituted;
- R3 and R4 are each independently selected from the group consisting of C1-C20 alkyl, C3-C20 cycloalkyl, C6-C20 aryl and C7-C20 aralkyl, either substituted or unsubstituted, and wherein a content of the precipitating auxiliary a is larger than zero and lower than 1.0 wt %, based on a total weight of the catalyst component,
- the precipitating auxiliary a represented by formula (I) comprising isomers represented by formula (I-a) and/or formula (I-b):
Dependencies are inferred from the claim text.