Laminate, blister container, and push-through package
A laminate has a substrate layer, an intermediate layer, and a fluorine-based resin layer in this order, and has a total film thickness of 400 μm or less, in which a thickness of the intermediate layer is 5 μm or more and 50 μm or less, and an upper yield point stress of the laminate is 1,500 N/cm 2 or more.
1. A laminate comprising a substrate layer, an intermediate layer, a fluorine-based resin layer, a second intermediate layer, and a second substrate layer in this order, and having a total film thickness of 400 μm or less,
wherein
each of said intermediate layer and said second intermediate layer contains linear low-density polyethylene and maleic anhydride-modified polyethylene, or contains an acid-modified polyolefin resin, epoxidized polybutadiene, and an elastomer resin,
a thickness of said intermediate layer is 5 μm or more and 50 μm or less, and
an upper yield point stress of said laminate is 1,500 N/cm2 or more.
2. The laminate according to claim 1 , wherein said fluorine-based resin layer contains polychlorotrifluoroethylene.
3. The laminate according to claim 1 , wherein the thickness of said intermediate layer is 10 μm or more and 30 μm or less.
4. The laminate according to claim 1 , wherein a thickness of said second intermediate layer is 10 μm or more and 30 μm or less.
5. The laminate according to claim 1 , wherein a water vapor permeability of said laminate is 0.5 g/m2/24 hours or less.
6. A blister container comprising the laminate according to claim 1 .
7. A press-through package comprising the laminate according to claim 1 .