Barrier laminate, lid material, and packaging container
AssigneeDai Nippon Printing Co., Ltd.
InventorsShunsuke FURUYA, Shinichiro KONO, Aya SUZUKI, Toru SUDA, Yohei YAMATO
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AssigneeDai Nippon Printing Co., Ltd.
InventorsShunsuke FURUYA, Shinichiro KONO, Aya SUZUKI, Toru SUDA, Yohei YAMATO
Estimating the term…
In one aspect, the present disclosure relates to a barrier laminate including a substrate and a sealant layer in this order in a thickness direction, wherein the substrate is a barrier substrate including a polypropylene resin layer and an evaporated film, the polypropylene resin layer is a layer subjected to a stretching process, the evaporated film is composed of an inorganic oxide, the barrier laminate after heat treatment at 120° C. for 15 minutes has a thermal shrinkage ratio (MD1) of 2.00% or less in an MD direction and a thermal shrinkage ratio (TD1) of 2.00% or less in a TD direction.
1-2. (canceled)
The barrier laminate according to claim 1, wherein a ratio (MD1/TD1) of the thermal shrinkage ratio (MD1) to the thermal shrinkage ratio (TD1) of the barrier laminate after heat treatment at 120° C. for 15 minutes is 0.30 or more and 3.00 or less.
The barrier laminate according to claim 6, wherein the barrier laminate after heat treatment at 150° C. for 5 minutes has a thermal shrinkage ratio (MD2) of 4.00% or less in the MD direction and a thermal shrinkage ratio (TD2) of 4.00% or less in the TD direction.
A barrier laminate comprising:
8-14. (canceled)
18-24. (canceled)
Dependencies are inferred from the claim text.