Biaxally stretched laminated film

摘要

A biaxially stretched film for packaging, having a thickness of not more than 40 mu m; comprising surface layers each made of a polypropylene-based resin and an intermediate layer disposed therebetween made of a polyamide resin comprising an aromatic polyamide resin, and having thickness of 10 to 80% of the overall thickness of the biaxially stretched film; and obtained by a process comprising a coextrusion step, a rapidly cooling step and a stretching step.