4.6 Article

One-Pot Fabrication of a Novel Agar-Polyacrylamide/Graphene Oxide Nanocomposite Double Network Hydrogel with High Mechanical Properties

Journal

ADVANCED ENGINEERING MATERIALS
Volume 18, Issue 10, Pages 1799-1807

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adem.201600272

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Funding

  1. National Natural Science Foundation of China [21274046, 21474032]
  2. National Basic Research Program of China (973 Program) [2012CB821500]

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A new kind of agar-polyacrylamide/graphene oxide (agar-PAM/GO) nanocomposite double network (DN) hydrogels is successfully synthesized using one-pot method. The agar-PAM/GO DN hydrogel consists of first agar network cross-linked via hydrogen bond and second PAM network with GO severing as physically cross-linking agent. The factors that influence the mechanical properties of agar-PAM/GO DN gel is investigated. The DN hydrogel exhibits excellent mechanical properties with fracture strain of 4 600% and fracture strength of 332 kPa. In addition, the DN hydrogel shows a good fatigue resistance and self-healing ability.

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