Barrier film, a method of manufacturing the same, and articles comprising the same

A substrate having a first surface and a second surface, alternating first and second surfaces are arranged opposite to each other, a substrate, a cationic material and the anionic material a barrier coating comprising a layer, is a reactive coupling at least a first surface of the substrate comprises a barrier coating, the barrier film is disclosed herein. A barrier coating comprising alternating layers of a cationic material and the anionic material, the method comprising: disposing on a substrate, the barrier coating is reactive bond with at least one surface of the substrate, placing including, methods are also disclosed herein.