| 초록 |
Hydrogel-based sensors have received considerable attention due to their promising applications in wearable devices. However, manufacturing hydrogels that combine toughness, anti-freezing properties, and conductivity remains a great challenge. Here, the hydroxyethyl acrylate(HEA)-based hydrogel can be prepared by using laponite as a crosslinking agent, and excellent mechanical properties can be exhibited by controlling methyl methacrylate(MMA), a hydrophobic monomer, and adding LiCl. Also, due to the presence of the conductive ion, LiCl, the hydrogel exhibits high ionic conductivity and an anti-freezing effect. Moreover, P(HEA-co-MMA) hydrogels are tough wearable sensors that can detect both large-scale human movements and small physiological signals. This strategy is expected to provide new inspiration for the development of tough wearable hydrogel sensors. |
