Titanium Alkoxides for the Fast Ruthenium-Catalyzed Living Radical Polymerization of Methyl Methacrylate

DOI
  • HAMASAKI Shinya
    Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University
  • ANDO Tsuyoshi
    Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University
  • KAMIGAITO Masami
    Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University
  • SAWAMOTO Mitsuo
    Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University

Bibliographic Information

Other Title
  • ルテニウム錯体によるメタクリル酸メチルのリビングラジカル重合－チタンアルコキシドによる重合の加速

Abstract

A series of metal alkoxides [M (Oi-Pr) n (M=Al, Sn, Ti, Zr, Sc) and Ti (OR) 4 (R=Me, Et, i-Pr, t-Bu, Ph) ] were examined as additives for rate enhancement and finer reaction control in the living radical polymerization of methyl methacrylate (MMA) with RuCl2 (PPh3) 3. All the additives induced a faster polymerization than in their absence and gave polymers with controlled molecular weights and narrow molecular weight distributions (MWDs) (Mw/Mn=1.1-1.3). Ti (Oi-Pr) 4 was the most effective in terms of the rate and the controllability and was effective in the synthesis of a high molecular weight polymer with a narrow MWD (Mn=100900, Mw/Mn=1.11). 1H NMR analysis showed that the added titanium alkoxide interacted with RuCl2 (PPh3) 3 to generate a more active catalyst.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 61 (4), 256-262, 2004

    The Society of Polymer Science, Japan

Keywords

Details 詳細情報について

  • CRID
    1390001206522112256
  • NII Article ID
    130003837876
  • DOI
    10.1295/koron.61.256
  • ISSN
    18815685
    03862186
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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