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Hafnium amidinate

Sita has also reported synergistic effects between aluminum and zinc alkyls with the hafnium amidinate precatalyst 24/ borate system in polymerization of a-olefins (Scheme 12). In this ternary system, fast polymeryl exchange occurs between Hf and Zn, and Zn and Al, respectively. The Zn species is the primary CTA, but the Al species serves as the primary dormant... [Pg.713]

See other pages where Hafnium amidinate is mentioned: [Pg.242]    [Pg.71]    [Pg.242]    [Pg.71]    [Pg.143]    [Pg.775]    [Pg.35]    [Pg.278]    [Pg.279]    [Pg.749]    [Pg.749]   
See also in sourсe #XX -- [ Pg.71 ]



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