Complexes of titanium(IV) chloride with N-(3,5-R,R´-salicylidene)-2(3,4)-[bis(5-methyl-2-furyl)methyl]aniline, a novel type of phenoxyimine catalysts for olefin polymerizationстатья
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Дата последнего поиска статьи во внешних источниках: 26 сентября 2016 г.
Аннотация:New representatives of chelate-type titanium(IV) salicylideneaniline complexes with bis(5-methyl-2-furyl)methyl substituents in the aniline fragment are synthesized. In the pres- ence of poly(methylalumoxane), these complexes catalyze ethylene and propylene polymerization. The effect of the position of substituents in the ligands on the activities of the catalysts is studied. High-molecular-weight linear polyethylene (Mw ≈ 172200—300000, Mw/Mn ≈ 2—3) and high-molecular-weight atactic elastic polypropylene (Mw ≈ 1000000, Mw/Mn ≥ 7.0) are obtained.