the present invention relates to the composition and preparation of composite films which exhibit low oxygen and flavor / aroma transmission rates . the film comprises a silane resin coated on a plastic substrate . the silane resin is formed from the mixture of a silane solution , an acrylate , a solvent , and optionally , either an additive , water or both . this invention teaches that a variety of silane solutions and acrylates may be mixed with different solvents to achieve the desired oxygen and flavor / aroma barrier characteristics .