| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging container material which can be made thin with no defect such as a crack or a break by laminating a flexible barrier layer on the material.SOLUTION: This packaging container material 1 includes a paper base material 2, a thermoplastic resin outer layer 5 provided on the outside of the paper base material and a heat seal inner layer 3. The heat seal inner layer 3 comprises the first film 7 made of polypropylene obtained by using a metallocene catalyst, a metal deposited layer 6 deposited on the first face of the film 7 and the heat seal second film 8 made of polyethylene obtained by using a metallocene catalyst laminated directly on the second face of the film 7. |
