| 摘要 |
PROBLEM TO BE SOLVED: To provide an easily splittable laminated film with an excellent strength, and superior oxygen gas barrier and splitting properties by forming the structure of at least, three layers such as a laminated biaxially stretched film layer with a specific thickness, a biaxially stretched film layer of an aliphatic polyamide and a sealant layer. SOLUTION: This easily splittable laminated film is composed of at least, three layers such as a laminated biaxially stretched film layer X with a thickness of 30μm or less, a biaxially stretched film layer of an aliphatic polyamide with a thickness of 30μm or less and an extinction angle of 30 deg. or less and a sealant layer Z. In this case, the laminated biaxially stretched film is made up of two or more different types of layer including at least, the layer (a) of a saponification product A of an ethylene/ vinyl acetate copolymer with an ethylene content of 28-44mol% and a percentage of saponification of at least, 95%, selected from among the layer (a), the layer (b) of an aliphatic polyamide polymer B, and the layer (c) of a mixture of the polymers A, B. Consequently, the easily splittable laminated film has an excellent strength, superior oxygen gas barrier and manually splitting properties, and is used for the manufacture of hermetically sealed containers and wrapping materials for foodstuffs. |
