Research Institute of Materials ScienceSouth China University of TechnologyGuangzhou510640China

China, China

Research Institute of Materials ScienceSouth China University of TechnologyGuangzhou510640China

China, China

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Hu M.,Research Institute of Materials ScienceSouth China University of TechnologyGuangzhou510640China | Yang Y.,Research Institute of Materials ScienceSouth China University of TechnologyGuangzhou510640China | Gu X.,Research Institute of Materials ScienceSouth China University of TechnologyGuangzhou510640China | Hu Y.,Research Institute of Materials ScienceSouth China University of TechnologyGuangzhou510640China | And 2 more authors.
Macromolecular Materials and Engineering | Year: 2015

Polyacrylamide (PAM)/carbon nanodot (C-dot) nanocomposite (NC) hydrogels were successfully prepared by free radical polymerization using C-dots as cross-linkers. The storage modulus and the cross-link density of NC hydrogels compared with the pure PAM hydrogel were greatly enhanced due to strong hydrogen bonding interactions between PAM and C-dots. The swelling ratio of NC hydrogels increased with increasing the C-dot contents. The fracture strength of PAM/C-dot NC hydrogel was 47.5kPa at a stretch of 2940% when the content of C-dots was 1wt%. C-dots are an ideal nanomaterial for the preparation of novel NC hydrogels with excellent mechanical properties. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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