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US 12,612,520 B2Granted
Gas barrier film, and paint composition for forming gas barrier layer
AssigneeToyo Seikan Group Holdings, Ltd.
InventorsTomohiro Miyai, Kazuhiro Tsuruta, Midori Itou
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Abstract
A gas barrier film including a reaction product formed by a reaction of a zirconium oxide and a phosphoric acid compound, where the zirconium oxide is an amorphous zirconium oxide containing as a main component zirconyl hydroxide and/or zirconium hydroxide. A gas barrier laminate including the gas barrier film and a composition for forming a gas barrier layer.
Claims8
A gas barrier film comprising a reaction product formed by a reaction of a zirconium oxide and a phosphoric acid compound, wherein
- the zirconium oxide is an amorphous zirconium oxide containing zirconyl hydroxide and/or zirconium hydroxide, and
- the gas barrier film has an absorption peak whose maximum infrared absorption is in a range of 1000 to 1050 cm−1 by FT-IR measurement of the gas barrier film alone.
Dependencies are inferred from the claim text.