POLYLACTIC ACID-BLENDED POLYPROPYLENE LAMINATED FILM

摘要

PROBLEM TO BE SOLVED: To provide a laminated film comprising a polypropylene polymer in which polylactic acid being a plant-derived raw material is blended.SOLUTION: The laminated film comprises an intermediate layer (I) which comprises 50-90 wt.% polypropylene polymer (A) and 10-50 wt.% polylactic acid (B) (on condition that the total of (A) and (B) is 100 wt.%), and outer layers (II) which are formed on both sides of the intermediate layer and each of which comprises the polypropylene polymer (A). The polypropylene polymer (A) is a polypropylene-based random copolymer (A1) which is a random copolymer obtained by polymerizing propylene and one or more comonomers selected form ethylene and 4-8C α-olefins and which has ≤150°C melting point.