Nicolas Popoff, Benoît Macqueron, Wissam Sayhoun, Jeff Espinas, Jérémie Pelletier, Olivier Boyron, Christophe Boisson, Nicolas Merle, Kai C. Szeto, Régis M. Gauvin, Aimery De Mallmann and Mostafa Taoufik Well-Defined Silica-Supported Zirconium–Benzyl Cationic Species: Improved Heterogenization of Single-Site Polymerization Catalysts European Journal of Inorganic Chemistry 2014
Version of Record online: 2 JAN 2014 | DOI: 10.1002/ejic.201301317
A new hybrid material featuring unique phenol grafting sites was used to immobilize tetrabenzylzirconium on silica. Fully characterized single-site cationic polymerization species were obtained by benzyl abstraction with B(C6F5)3 as activator. As a result of reduced surface interactions, the polymerization activities of the well-defined neutral and cationic species were up to four times higher.
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