期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 16, 期 1, 页码 990-1007出版社
MDPI AG
DOI: 10.3390/ijms16010990
关键词
supramolecular polymer; terpyridine; hydrogel; associating polymer; polymer rheology
资金
- Marie Curie ITN Supolen [607937]
- P2M Programme from the ESF
- FRIA
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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