THERMOPLASTIC MULTILAYERED FILM

摘要

A thermoplastic multi-layer film comprising a gas barrier resin layer (C) and at least one intermediate resin layer (D) between an outer resin layer (A) and an inner sealing resin layer (B), wherein the inner sealing resin layer (B) is a layer (B1) of an ionomer resin having an ionization degree higher than 15%, but not higher than 25%, an intermediate resin layer (D1) is laminated in direct contiguity with the ionomer resin layer (B1), and the thickness of the intermediate resin layer (D1) is greater than the thickness of the ionomer resin layer (B1). The film has excellent stretchability, heat shrinkability, sealing properties and self-welding property.