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Keywords:

  • graphene oxide;
  • polymers;
  • hydrogels;
  • networks;
  • mechanical properties
Thumbnail image of graphical abstract

Graphene oxide (GO)/polyacrylamide (PAM) hydrogels with highly elastic and superstretchable mechanical behavior is fabricated by the synergistic effects of a Ca2+-induced GO crosslinking network, chemically crosslinked PAM network, and entanglements between these networks via hydrogen-bonding interactions. This new nanocomposite material may broaden the applications of hydrogels in the biomedical field and take us closer to artificial biotissues.