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Int. J. Mol. Sci. 2015, 16(1), 990-1007;

Revealing the Supramolecular Nature of Side-Chain Terpyridine-Functionalized Polymer Networks

Institute of Condensed Matter and Nanosciences (IMCN), Bio- and Soft Matter (BSMA) Division, Université catholique de Louvain (UCL), Place L. Pasteur 1, Louvain-la-Neuve B-1348, Belgium
These authors contributed equally to this work.
Authors to whom correspondence should be addressed.
Academic Editor: Patrice Woisel
Received: 25 November 2014 / Accepted: 19 December 2014 / Published: 5 January 2015
(This article belongs to the Special Issue Supramolecular Polymers and Their Assemblies)
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Nowadays, finely controlling the mechanical properties of polymeric materials is possible by incorporating supramolecular motifs into their architecture. In this context, the synthesis of a side-chain terpyridine-functionalized poly(2-(dimethylamino)ethyl methacrylate) is reported via reversible addition-fragmentation chain transfer polymerization. By addition of transition metal ions, concentrated aqueous solutions of this polymer turn into metallo-supramolecular hydrogels whose dynamic mechanical properties are investigated by rotational rheometry. Hence, the possibility for the material to relax mechanical constrains via dissociation of transient cross-links is brought into light. In addition, the complex phenomena occurring under large oscillatory shear are interpreted in the context of transient networks. View Full-Text
Keywords: supramolecular polymer; terpyridine; hydrogel; associating polymer; polymer rheology supramolecular polymer; terpyridine; hydrogel; associating polymer; polymer rheology

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Brassinne, J.; Jochum, F.D.; Fustin, C.-A.; Gohy, J.-F. Revealing the Supramolecular Nature of Side-Chain Terpyridine-Functionalized Polymer Networks. Int. J. Mol. Sci. 2015, 16, 990-1007.

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