Hafnium vs. Zirconium, the Perpetual Battle for Supremacy in Catalytic Olefin Polymerization: A Simple Matter of Electrophilicity?

The performance of C-2-symmetric ansa-hafnocene catalysts for isotactic polypropylene typically deteriorates at increasing temperature much faster than that of their zirconium analogues. Herein, we analyze in detail a set of five Hf/Zr metallocene pairs-including some of the latest generation cataly...

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Veröffentlicht in:	Polymers 2021-08, Vol.13 (16), p.2621, Article 2621
Hauptverfasser:	Vittoria, Antonio, Goryunov, Georgy P., Izmer, Vyatcheslav V., Kononovich, Dmitry S., Samsonov, Oleg V., Zaccaria, Francesco, Urciuoli, Gaia, Budzelaar, Peter H. M., Busico, Vincenzo, Voskoboynikov, Alexander Z., Uborsky, Dmitry V., Ehm, Christian, Cipullo, Roberta
Format:	Artikel
Sprache:	eng
Schlagworte:	Approximation Catalysts Experiments High density polyethylenes Ligands Metals Molecular weight Physical Sciences Polyethylene Polymer Science Polymerization Polymers Polyolefins Science & Technology Software packages Spectrum analysis Stereoselectivity Zirconium
Online-Zugang:	Volltext
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