Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1997-03-28
1999-11-09
Le, Hoa T.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428323, 428327, 428331, 428339, 428704, B32B 516
Patent
active
059810297
ABSTRACT:
A gas barrier film comprises a thermoplastic resin substrate and on the substrate a gas barrier coating, which coating comprises a water soluble or water dispersible high polymer and inorganic stratified particles.
In one film, the surface of the gas barrier coating remote from the substrate has a roughness parameter Rt/Ra of 25 or less.
In an alternative film, the gas barrier coating contains an amine compound represented by the following general formula: ##STR1## where R1 stands for a hydrogen atom, or a C.sub.1-6 alkyl or allyl or phenyl group; R2 stands for a hydrogen atom, or an optionally substrated alkyl or allyl group; and R3 stands for an optionally substituted alkyl or allyl group.
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Abe Koichi
Harada Yutaka
Hashimoto Koukichi
Kimura Masahiro
Le Hoa T.
Toray Industries Inc.
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