Extruded films of blended chitosan, low density polyethylene and ethylene acrylic acid

► Chitosan-LDPE extruded films were obtained using ethylene-acrylic acid copolymer. ► Ethylene-acrylic acid copolymer ensures adhesion in the interphase of both polymers. ► Chitosan forms conglomerates, affecting the mechanical properties of the films. ► Chitosan-LDPE extruded films inhibited the radial growth of Aspergillus niger. ► Morphological changes and increased diameter of fungi hyphae were induced.