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    • 6. 发明专利
    • MULTILAYER VESSEL
    • JPH01308627A
    • 1989-12-13
    • JP4889489
    • 1989-02-28
    • KURARAY CO
    • ODA HIDEAKIMORIYA TOHEIHIROFUJI SATOSHIOKUNO KENJI
    • B65D65/40B32B27/18B32B27/20B32B27/28
    • PURPOSE:To obtain a multilayer vessel having high-degree gas transmission resistance and the excellent keeping quality of food, etc. by laminating a layer composed of the composition of specific inorganic powder and a gas transmission-resistant resin and a layer consisting of the composition of inorganic powder and a thermoplastic resin. CONSTITUTION:A multilayer vessel has a layer made up of a composition A composed of at least one kind of 5-50wt.% inorganic powder selected from mica, sericite, talc and a glass flake and a gas transmission-resistant resin and a layer consisting of a composition B made up of at least one kind of 3-60wt.% inorganic powder selected from mica, sericite, talc and the glass flake and a thermoplastic resin. An ethylene-vinyl alcohol copolymer (EVOH) containing 20-50mol% ethylene is used as the gas transmission-resistant resin. The vessel having particularly high-degree gas transmission-resistance is acquired when the layer of the blend B of inorganic powder and the thermoplastic resin is positioned on the internal layer side of an EVOH blend A layer, and the vessel having especially high-degree gas transmission resistance is obtained when not less than 3wt.% desiccant particulates are included in either layer of the multilayer vessel.