Zirconium Allyl Complexes as Participants in Zirconocene-Catalyzed α-Olefin Polymerizations
Zirconium Allyl Complexes as Participants in Zirconocene-Catalyzed α-Olefin Polymerizations
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2014
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Angewandte Chemie International Edition ; 53 (2014), 36. - pp. 9645-9649. - ISSN 0570-0833. - eISSN 1521-3773
Abstract
In a search for the hitherto elusive catalyst resting state(s) of zirconocene-based olefin polymerization catalysts, a combination of UV/Vis and NMR spectrometric methods reveals that polymer-carrying cationic Zr allyl complexes make up about 90 % of the total catalyst concentration. Other catalyst species that take part in the polymerization process have to be generated from this allyl pool into which they appear to relapse rather frequently.
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540 Chemistry
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allyl complexes, ansa-zirconocenes, olefin polymerization, polymerization catalysis, resting states
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BABUSHKIN, Dmitrii E., Valentina N. PANCHENKO, Hans-Herbert BRINTZINGER, 2014. Zirconium Allyl Complexes as Participants in Zirconocene-Catalyzed α-Olefin Polymerizations. In: Angewandte Chemie International Edition. 53(36), pp. 9645-9649. ISSN 0570-0833. eISSN 1521-3773. Available under: doi: 10.1002/anie.201403673BibTex
@article{Babushkin2014Zirco-29332, year={2014}, doi={10.1002/anie.201403673}, title={Zirconium Allyl Complexes as Participants in Zirconocene-Catalyzed α-Olefin Polymerizations}, number={36}, volume={53}, issn={0570-0833}, journal={Angewandte Chemie International Edition}, pages={9645--9649}, author={Babushkin, Dmitrii E. and Panchenko, Valentina N. and Brintzinger, Hans-Herbert} }
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