Zirconium Allyl Complexes as Participants in Zirconocene-Catalyzed α-Olefin Polymerizations

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2014
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Babushkin, Dmitrii E.
Panchenko, Valentina N.
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Zusammenfassung

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 Chemie
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allyl complexes, ansa-zirconocenes, olefin polymerization, polymerization catalysis, resting states
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ISO 690BABUSHKIN, 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. 2014, 53(36), pp. 9645-9649. ISSN 0570-0833. eISSN 1521-3773. Available under: doi: 10.1002/anie.201403673
BibTex
@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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