CLAY FILM COMPOSITE
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United States of America Patent
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Issued Date -
Dec 6, 2012
app pub date -
Dec 24, 2010
filing date -
Dec 24, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A clay film composite which exhibits high gas barrier properties even under high humidity conditions is provided. The clay film composite having a clay film including a clay without or with an additive, and provided on at least one surface thereof, a water vapor barrier layer having a water permeability of 1.0 g/m2·day or less. The clay film preferably has a distance between clay particle layers of 1.3 nm or less. The clay film preferably has a water content of 3.0% by mass or less. It is preferable to melt-bond the water vapor barrier layer to the clay film.
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