FIELD: chemistry.
SUBSTANCE: catalyst component for olefin polymerization is disclosed. The catalyst component for olefin polymerization includes magnesium, titanium, halogen and an internal electron donor, where the internal electron donor contains a compound of imine with a ketone group as showed in the Formula I, where R is selected from a group consisting of C6-C30 aryl with a substituent, which is a halogen atom, or without it, 2,6-diisopropylphenyl, 2,6-dimethylphenyl, 2,4,6-trimethylphenyl, benzyl, and a quinolyl-containing group; R1-R5 may be the same or different, each is independently selected from a group consisting of hydrogen, C1-C20 alkyl; X is selected from a group consisting of nitrogen. Catalyst for polymerization in an olefin polymerization reaction, especially in a propene polymerization reaction, and the use of a catalyst component are additionally disclosed.
EFFECT: catalyst has high activity and long-term activity, and a good response to hydrogen, and obtained polymer has characteristics of regulated isotactic index and relatively wide molecular-mass distribution.
Formula I
18 cl, 4 tbl, 133 ex
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