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Half-Titanocenes Containing Anionic Ancillary Donor Ligands: Effective Catalyst Precursors for Ethylene/Styrene Copolymerization

Department of Chemistry, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo 192-0397, Japan
Catalysts 2013, 3(1), 157-175; https://doi.org/10.3390/catal3010157
Received: 25 December 2012 / Revised: 21 January 2013 / Accepted: 25 January 2013 / Published: 18 February 2013
(This article belongs to the Special Issue Molecular Catalysis for Precise Olefin Polymerization)
This review summarizes recent results for ethylene/styrene copolymerization using half-titanocenes containing anionic donor ligands, Cp’TiX2(Y) (X = halogen, alkyl; Y = aryloxo, ketimide etc.)–cocatalyst systems. The product composition, the styrene incorporation and microstructures in the resultant copolymers are highly influenced by the anionic donor employed. A methodology for an exclusive synthesis of the copolymers even under high temperature and high styrene concentrations has been introduced on the basis of a proposed catalytically-active species in this catalysis. View Full-Text
Keywords: polymerization; ethylene; styrene; copolymerization; titanium; catalyst; polymerization mechanism; homogeneous catalysis polymerization; ethylene; styrene; copolymerization; titanium; catalyst; polymerization mechanism; homogeneous catalysis
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Nomura, K. Half-Titanocenes Containing Anionic Ancillary Donor Ligands: Effective Catalyst Precursors for Ethylene/Styrene Copolymerization. Catalysts 2013, 3, 157-175.

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