Stretchable conductive hydrogels are of great significance in wearable electronic devices and tissue engineering scaffolds. In this paper, the zwitterionic polymer network hydrogels are synthesized by radical co-polymerizing acrylic acid (AA) and methyl acryloyl oxygen ethyl trimethyl ammonium chloride (DMC) in aniline (ANI) aqueous solution followed by oxidation polymerization of ANI to form semi-interpenetrating network hydrogel. The conductive hydrogels are endowed excellent mechanical properties by synergistic effect of electrostatic interaction and hydrogen bonding between the interpenetrating network of PANI and P(AA-co-DMC). The tensile strength reaches up to 0.173 MPa at 576% and the compression strength reaches up to 0.73 MPa at 80%. Meanwhile, the zwitterions and polyaniline ensure hydrogels to obtain conductivity (0.428 s m −1 ). In addition, the as-prepared conductive hydrogels can also be used as ionic skin to accurately monitor various movements of the human body, showing its potential applications in wearable devices and flexible electronic devices.
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