“…Multilayer polymer films have several applications in different fields: in electronic systems [1], packaging for food protection [2][3][4], separation process (pervaporation and nanofiltration) [5], as a membrane for fuel cell application [6][7][8]. Such type of structure has been intensively studied to improve thermal stability and gas barrier permeability [9], to modify the thermal behavior at the glass transition [10], to change the optical properties [11], to enhance the mechanical resistance [12] or to control the moisture sensitivity [13].…”