Revealing the supramolecular nature of side-chain terpyridine-functionalized polymer networks
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 add...
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Veröffentlicht in: | International journal of molecular sciences 2015-01, Vol.16 (1), p.990-1007 |
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creator | Brassinne, Jérémy Jochum, Florian D Fustin, Charles-André Gohy, Jean-François |
description | 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. |
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subjects | Cobalt - chemistry Hydrogels Hydrogels - chemistry Magnetic Resonance Spectroscopy Mechanical properties Methacrylates - chemical synthesis Methacrylates - chemistry Nylons - chemical synthesis Nylons - chemistry Polymerization Polymers Pyridines - chemistry Rheology |
title | Revealing the supramolecular nature of side-chain terpyridine-functionalized polymer networks |
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