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Molecules 2011, 16(1), 567-582; https://doi.org/10.3390/molecules16010567

Homopolymerization of Ethylene, 1-Hexene, Styrene and Copolymerization of Styrene With 1,3-Cyclohexadiene Using (h5-Tetramethylcyclopentadienyl)dimethylsilyl(N-Ar’)amido-TiCl2/MAO (Ar’=6-(2-(Diethylboryl)phenyl)pyrid-2-yl, Biphen-3-yl)

1
Leibniz-Institut für Oberflächenmodifizierung e.V., Permoserstr. 15, D-04318, Leipzig, Germany
2
Lehrstuhl für Makromolekulare Stoffe und Faserchemie, Institut für Polymerchemie, Universität Stuttgart, Pfaffenwaldring 55, D-70550, Stuttgart, Germany
*
Authors to whom correspondence should be addressed.
Received: 1 December 2010 / Revised: 9 January 2011 / Accepted: 13 January 2011 / Published: 14 January 2011
(This article belongs to the Special Issue Homogeneous Catalysis)
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Abstract

The propensity of a half-sandwich (η5-tetramethylcyclopentadienyl) dimethylsilylamido TiIV-based catalyst bearing an auxiliary diethylboryl-protected pyridyl moiety (Ti-8), activated by methylaluminoxane (MAO) to homopolymerize α-olefins such as ethylene, 1-hexene and styrene as well as to copolymerize styrene with 1,3-cyclo-hexadiene is described. The reactivity of Ti-8 was investigated in comparison to a 6-(2-(diethylboryl)phenyl)pyrid-2-yl-free analogue (Ti-3).
Keywords: constrained geometry catalyst; olefin; homopolymerization; copolymerization constrained geometry catalyst; olefin; homopolymerization; copolymerization
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Camadanli, S.; Decker, U.; Kühnel, C.; Reinhardt, I.; Buchmeiser, M.R. Homopolymerization of Ethylene, 1-Hexene, Styrene and Copolymerization of Styrene With 1,3-Cyclohexadiene Using (h5-Tetramethylcyclopentadienyl)dimethylsilyl(N-Ar’)amido-TiCl2/MAO (Ar’=6-(2-(Diethylboryl)phenyl)pyrid-2-yl, Biphen-3-yl). Molecules 2011, 16, 567-582.

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