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    • 1. 发明公开
    • 왁스 층을 포함하는 다층 구조 포장지 및 그것으로만들어진 포장 봉투
    • 包含WAX层的多层包装表和其中制成的包装袋
    • KR1020080033013A
    • 2008-04-16
    • KR1020060099541
    • 2006-10-12
    • 이일동이병규
    • 이일동이병규
    • B65D65/40B65D65/38
    • B65D65/40B32B27/08B32B27/10B65D27/04B65D31/04
    • A multi-layered packaging sheet having a wax layer and a packaging envelope produced by the same are provided to improve high open and tear efficiencies and low moisture permeability by additionally forming a synthetic resin melted and extruded coating layer on the wax layer formed on a surface layer selected from papers, non-woven fabrics, and synthetic resin films. A multi-layered packaging sheet(100) is composed of a surface layer(101) made of one of papers, non-woven fabrics, and synthetic resin films; a wax layer(104) formed on the surface layer; and synthetic resin melted and extruded coating layers(102,102') formed on the wax layer. The synthetic resin melted and extruded coating layer is made of at least one selected from a group comprising PE(Polyethylene), PP(Polypropylene), and EVA(Ethylene Vinyl Acetate).
    • 通过在形成在表面上的蜡层上另外形成合成树脂熔融挤出涂层,提供具有蜡层和由其制造的包装外壳的多层包装片,以提高高的开裂和撕裂效率和低透湿性 层,选自纸,无纺布和合成树脂膜。 多层包装片(100)由由纸,无纺布和合成树脂膜之一构成的表层(101)构成, 形成在所述表面层上的蜡层(104) 和形成在蜡层上的合成树脂熔融和挤出的涂层(102,102')。 合成树脂熔融挤出涂层由选自PE(聚乙烯),PP(聚丙烯)和EVA(乙烯乙酸乙烯酯)组成的组中的至少一种制成。