Coating material for forming gas-barrier layer and gas-barrier multilayer body
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United States of America Patent
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Aug 21, 2012
Grant Date -
Sep 23, 2010
app pub date -
Aug 30, 2007
filing date -
Aug 30, 2006
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Abstract
Disclosed is a coating material for forming a gas barrier. The coating material includes a polyalcohol polymer, a polycarboxylic acid polymer, and a divalent or higher-valent metal compound whose surface is coated with a poorly water-soluble component, or alternatively a monovalent metal compound whose surface is coated with a poorly water-soluble component and a divalent or higher-valent metal compound whose surface is coated with a poorly water-soluble component. By applying this coating material to a plastic substrate layer, a gas-barrier multilayer body having a gas-barrier layer formed thereon is obtained.
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