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Azar, Mina Ghafouri; Dodda, Jagan Mohan; Bělský, Petr; Šlouf, Miroslav; Vavruňková, Veronika; Kadlec, Jaroslav; Remiš, Tomáš

Tough and flexible conductive triple network hydrogels based on agarose/polyacrylamide/polyvinyl alcohol and poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate

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  • Media type: E-Article
  • Title: Tough and flexible conductive triple network hydrogels based on agarose/polyacrylamide/polyvinyl alcohol and poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate
  • Contributor: Azar, Mina Ghafouri; Dodda, Jagan Mohan; Bělský, Petr; Šlouf, Miroslav; Vavruňková, Veronika; Kadlec, Jaroslav; Remiš, Tomáš
  • imprint: Wiley, 2021
  • Published in: Polymer International
  • Language: English
  • DOI: 10.1002/pi.6232
  • ISSN: 0959-8103; 1097-0126
  • Keywords: Polymers and Plastics ; Materials Chemistry ; Organic Chemistry
  • Origination:
  • Footnote:
  • Description: <jats:title>Abstract</jats:title><jats:p>Herein, we demonstrate a simple and cost‐effective way to fabricate conductive triple network hydrogels based on agarose (Ag), polyacrylamide (PAM) and poly(vinyl alcohol) (PVA) with a combination of physical–chemical crosslinked networks. The conductivity was generated by doping poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) into the triple network matrix of Ag‐PAM‐PVA. All hydrogels were homogeneous in the swollen state and incorporation of PEDOT:PSS did not influence the morphology significantly on a microscale, (light microscopy and cryogenic low‐vacuum SEM). On the nanoscale, small‐angle X‐ray scattering showed some differences between hydrogels with/without PEDOT:PSS and also between double/triple networks. The tensile and compressive properties were enhanced at a lower concentration of PEDOT:PSS, with a maximum tensile strength of 0.47 MPa, at an elongation of 119%. Fortunately, all hydrogels have shown conductivity in the range of 0.3−1.5 mS cm<jats:sup>−1</jats:sup> which is comparable with the conductivity of skin tissues and hence they can be conveniently optimized for use in biosensors or other devices related to skin/internal tissues. © 2021 Society of Industrial Chemistry.</jats:p>