COMPOSITIONS AND STRUCTURES HAVING TAILORED OXYGEN TRANSMISSION

摘要

A composition comprises an ethylene copolymer having copolymerized units of ethylene and vinyl acetate, alkyl acrylates, alkyl methacrylates, acrylic acid and ionomers thereof, methacrylic acid and ionomers and a potassium-containing component comprising a potassium-neutralized ionomer and optionally an organic acid or salt thereof and/or a polyol. Also disclosed is an article comprising or produced from the composition, which includes films, sheets and shaped articles.