A breathable and reliable thermoplastic polyurethane/Ag@K2Ti4O9composite film with an asymmetrical porous structure for wearable piezoresistive sensors

Hierarchical porous TPU/Ag@K 2 Ti 4 O 9 hybrid membranes with qualities of durable, breathable, easy to recycle, as well as the sensing properties were successfully prepared by a modified-NIPS method for wearable tactile sensors.