MULTILAYER BIAXIALLY STRETCHED PACKING FOIL FOR FOODSTUFF WITH TWO BARRIER LAYERS FOR OXYGEN, PROCESS OF ITS MANUFACTURE AND USE

摘要

At least 4-ply, tubular, biaxially oriented food wrapping, with (a) an outside layer comprising a mixture of aliphatic (co)polyamide(s) (I), partly aromatic (co)polyamide(s) (II) and optionally pigment and (d) an inside layer of (I), also has (b) a layer of ethylene/vinyl alcohol copolymer (EVOH), optionally mixed with (I) or (II) and/or an olefin (co)polymer (III) and/or an ionomer resin (IV) and (c) a layer of (III) and optionally adhesion promoter, pigment and/or UV absorber. Also claimed is a method of producing the material.