FIELD: chemistry.
SUBSTANCE: invention relates to a catalyst component for the polymerization of ethylene, namely, bis{2-[(3-diallylaminophenylimino)methyl]-4-R2-6-R1-phenoxy}titanium (IV) dichloride having a structure represented by formula 1, or bis{2-[(4-diallylaminophenylimino)methyl]-4-R2-6-R1-phenoxy}titanium (IV) dichloride having a structure represented by the formula 2 
.
R1 substituting group is chosen from the group comprising secondary or tertiary alkyls of any structure with the formula CH3-(x+y+z)(Alk1)x(Alk2)y(Alk3)z (2≤x+y+z≤3), primary, secondary or tertiary alkyl aromatic substituents of any structure with the formula CH3-(k+l+m+n+p)(Alk1)k(Alk2)l(Ar1)m(Ar2)n(Ar3)p (k+l+m+n+p≤3), aromatic substituents of any structure, primary, secondary and tertiary alkoxy groups of any structure with the formula OCH3-(q+r+s+t+u+v)(Alk1)q(Alk2)r(Alk3)s(Ar1)t(Ar2)u(Ar3)v (q+r+s+t+u+v≤3), halogen atoms. R2 substituting group regardless of the R1 substituting group is chosen from the group including primary alkyls of any structure with formula CwH2w+1 (w≥2), secondary or tertiary alkyls of any structure with the formula CH3-(x+y+z)(Alk1)x(Alk2)y(Alk3)z (2≤x+y+z≤3), alkyl aromatic substituents of any structure with the formula CH3-(k+l+m+n+p)(Alk1)k(Alk2)l(Ar1)m(Ar2)n(Ar3)p (k+l+m+n+p≤3), aromatic substituents of any structure, primary, secondary and tertiary alkoxy groups of any structure with the formula OCH3-(q+r+s+t+u+v)(Alk1)q(Alk2)r(Alk3)s(Ar1)t(Ar2)u(Ar3)v (q+r+s+t+u+v≤3), hydrogen atom or halogen atoms. Catalyst for the polymerization of ethylene and the method of preparation of the catalyst is also proposed.
EFFECT: technical result of the invention consists in the preparation of a catalyst component for the polymerization of ethylene, which makes it possible to increase the duration of the active state of the catalytic system, the molecular weight value and the yield of UHMWPE with an increase in the duration of polymerization over 1 hour.
8 cl, 1 tbl, 15 ex
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