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New Insights into Nickel(II), Iron(II), and Cobalt(II) Bis-Complex-Based Metallo-Supramolecular Polymers

  1. Manuela Chiper,
  2. Michael A. R. Meier,
  3. Johannes M. Kranenburg,
  4. Ulrich S. Schubert*

Article first published online: 5 APR 2007

DOI: 10.1002/macp.200600605

Issue

Macromolecular Chemistry and Physics

Macromolecular Chemistry and Physics

Volume 208, Issue 7, pages 679–689, April 3, 2007

Additional Information

How to Cite

Chiper, M., Meier, M. A. R., Kranenburg, J. M. and Schubert, U. S. (2007), New Insights into Nickel(II), Iron(II), and Cobalt(II) Bis-Complex-Based Metallo-Supramolecular Polymers. Macromolecular Chemistry and Physics, 208: 679–689. doi: 10.1002/macp.200600605

Author Information

  1. Laboratory of Macromolecular Chemistry and Nanoscience, Eindhoven University of Technology and Dutch Polymer Institute (DPI), P. O. Box 513, 5600 MB Eindhoven, The Netherlands

*Laboratory of Macromolecular Chemistry and Nanoscience, Eindhoven University of Technology and Dutch Polymer Institute (DPI), P. O. Box 513, 5600 MB Eindhoven, The Netherlands. Fax: +31 40 247 4186

Publication History

  1. Issue published online: 5 APR 2007
  2. Article first published online: 5 APR 2007
  3. Manuscript Accepted: 22 JAN 2007
  4. Manuscript Revised: 17 JAN 2007
  5. Manuscript Received: 26 NOV 2006

Funded by

  • Dutch Polymer Institute
  • Nederlandse Organisatie voor Wetenschappelijk Onderzoek

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Keywords:

  • chain;
  • complex stability;
  • metal containing polymer;
  • size exclusion chromatography;
  • supramolecular chemistry;
  • synthesis;
  • terpyridine complex

Abstract

One of the most important characterization methods for macromolecules is SEC. The main difficulty for this type of measurements concerning metallo-supramolecular polymers based on terpyridines is related to the interaction between the charged supramolecular species and the SEC column material. In this paper, we report new studies on the characterization and the stability of supramolecular polymers based on terpyridine metal complexes utilizing SEC. The main aspects concerning the equilibrium between complexed and uncomplexed species are discussed in detail. The present study reveals a strong relationship between the binding strength of the metal ion used and the stability of the terpyridine metal complex during the SEC measurements, which is in agreement with previously published results regarding the stability of small terpyridine metal complexes in solution. These results can lead to improved analytic possibilities and to a better fundamental understanding of the mentioned metallo-supramolecular polymers. Furthermore, the prepared chain-extended supramolecular-polymer was analyzed by depth-sensing indentation proving an increase in elastic modulus in comparison with the starting material.

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