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New Challenge for Classics: Neutral Zinc Complexes Stabilised by 2,2’-Bipyridine and 1,10-Phenanthroline and Their Application in the Ring-Opening Polymerisation of Lactide

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Author Info

  • Janna Börner

    ()
    (Department Chemie, Universität Paderborn, Warburger Straße 100, 33098 Paderborn, Germany)

  • Ulrich Flörke

    ()
    (Department Chemie, Universität Paderborn, Warburger Straße 100, 33098 Paderborn, Germany)

  • Artjom Döring

    ()
    (Department Chemie, Universität Paderborn, Warburger Straße 100, 33098 Paderborn, Germany)

  • Dirk Kuckling

    ()
    (Department Chemie, Universität Paderborn, Warburger Straße 100, 33098 Paderborn, Germany)

  • Matthew D. Jones

    ()
    (Department of Chemistry, University of Bath, Claverton Down, Bath BA27AY, United Kingdom)

  • Sonja Herres-Pawlis

    ()
    (Department Chemie, Technische Universit¨at Dortmund, Otto-Hahn-Straße 6, 44227 Dortmund, Germany)

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    Abstract

    The zinc acetato and triflato complexes of 2,2’-bipyridine and 1,10-phenanthroline were prepared and completely characterised. The whole series (including the already described dichlorido complexes and the ligands themselves) were screened for their catalytic activity in the solvent free ring-opening polymerisation of D,L-lactide. The acetato and triflato complexes were found to be active initiators and polylactides could be obtained in almost quantitative yields or with high molecular weights, up to 145,000 g/mol.

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    Bibliographic Info

    Article provided by MDPI, Open Access Journal in its journal Sustainability.

    Volume (Year): 1 (2009)
    Issue (Month): 4 (December)
    Pages: 1226-1239

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    Handle: RePEc:gam:jsusta:v:1:y:2009:i:4:p:1226-1239:d:6462

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    Related research

    Keywords: biopolymers; zinc; ring-opening polymerisation; lactide; sustainable chemistry; N-donor ligands;

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