| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging material that improves the self-standing properties of a plastic film, has proper strength for the protection of contents, and also has excellent heat sealability and impact resistance, and a package.SOLUTION: A packaging material has a substrate layer, and at least a heat adhesive resin layer above the substrate layer. In the heat adhesive resin layer, a first resin layer and a second resin layer are in close contact with each other for lamination, a boundary between the first resin layer and the second resin layer is formed in an uneven shape, and the second resin layer has a concave shape/convex shape corresponding to a convex shape/concave shape formed in the first resin layer.SELECTED DRAWING: Figure 1 |
