First GPC results of terpyridine based chain extended supramolecular polymers: comparison with viscosity and analytical ultracentrifugation

Michael A. R. Meier 1 , Harald Hofmeier 1 , Caroline H. Abeln 1 , Christos Tziatzios 2 , Mircea Rasa 1 , Dieter Schubert 2  and Ulrich S. Schubert 3
  • 1 Laboratory of Macromolecular Chemistry and Nanoscience, Eindhoven University of Technology and Dutch Polymer Institute, PO Box 513, 5600 MB Eindhoven, The Netherlands
  • 2 Johann Wolfgang Goethe Universität, Institut für Biophysik, 60590 Frankfurt am Main, Germany
  • 3 Laboratory of Macromolecular Chemistry and Nanoscience, Eindhoven University of Technology and Dutch Polymer Institute, PO Box 513, 5600 MB Eindhoven, The Netherlands, http://www.schubert-group.com

Abstract

The molecular weight of an extended metallo-supramolecular polymer, based on a α,ω-bis-terpyridine-poly(ethylene glycol) polymer linked via ruthenium(II) ions, was determined by gel permeation chromatography, viscosimetry as well as analytical ultracentrifugation. An optimized GPC method was applied for the first time to this kind of chain extended supramolecular polymers and the obtained results showed a good agreement with viscosimetry and analytical ultracentrifugation. A chain extended polymer with an average molecular weight of around 140 000 was found. These results clearly demonstrate that well-soluble high-molecular-weight metal-containing coordination polymers that are based on well-defined telechelics can be synthesized and fully characterized.

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