“…Film-shaped N -halamine materials, combining robust mechanical strength, widespread raw materials, good transmittance, facile formability, and renewable bactericidal activity, hold great promise in fields like bioengineering and foods industry [ [62] , [63] , [64] , [65] , [66] , [67] , [68] , [69] , [70] ]. Qiao et al [ 68 ] created an N -halamine modified thermoplastic polyurethane (TPU) film via solvent casting method.…”