Laminated film

摘要

PROBLEM TO BE SOLVED: To provide a bag-making material capable of producing a filling and packaging bag which can be opened at an angle close to a scheduled direction even when torn in a direction different from the originally scheduled direction when the packaging bag is opened, and is excellent in impurities sealability when ultrasonic seal is adopted.;SOLUTION: A laminated film 5 has an outer layer 1 composed of a uniaxial stretched polypropylene film, a barrier layer 2 and a resin intermediate layer 3 in a random order, and a sealant layer 4 in this order, where the sealant layer 4 satisfies all following conditions: (1) a Young's modulus in a laminated film MD direction is 200 Mpa or more; (2) a film thickness is 2.5 times or less the film thickness of the outer layer 1; and (3) a tensile strength in the laminated film MD direction is 1N or more and 5N or less.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2018,JPO&INPIT