FIELD: chemistry.
SUBSTANCE: catalyst component for olefin polymerization is disclosed. The catalyst component includes magnesium, titanium, halogen and an internal electron donor. The internal electron donor includes 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, 2,6-diisopropylphenyl, 2,6-dimethylphenyl, 2-hydroxypropylphenyl, 2,4,6-trimethylphenyl; R1 and R2 may be the same or different, each is independently selected from a group consisting of C1-C20-alkyl, phenyl, trifluoromethyl; A is (CR3R4)n, R3 and R4 may be the same or different, each is independently selected from a group consisting of hydrogen, C1-C20-alkyl, and n is equal to 0, 1, 2, 3, 4, 5 or 6. Catalyst for olefin polymerization containing a catalytic component, and the use of the catalytic component are additionally disclosed.
EFFECT: in the case of using catalyst in an olefin polymerization reaction, especially in a propene polymerization reaction, catalyst has high long-term activity and 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, 94 ex
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Authors
Dates
2021-11-01—Published
2017-09-22—Filed