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    • 1. 发明公开
    • GAS-BARRIER FILM AND PROCESS FOR PRODUCING THE SAME
    • GASSPERRFOLIE UND HERSTELLUNGSVERFAHRENDAFÜR
    • EP2263869A1
    • 2010-12-22
    • EP09729051.4
    • 2009-03-31
    • Kuraray Co., Ltd.Topy Kogyo Kabushiki Kaisha
    • KAZETO, OsamuNANBA, MichiyukiOHTA, Shun-ichiITOH, Takafumi
    • B32B27/18B32B27/30C08J7/04C08K3/34C08L29/04
    • C08K3/34C08J7/047C08J2329/04C08J2429/00C08K2201/008Y10T428/24628Y10T428/259
    • Provided is a gas barrier film including a layer of a resin composition (C) on at least one side of a substrate (D), wherein the resin composition (C) contains a water soluble or water dispersible polymer (A) and a swellable inorganic layered silicate (B), where the swellable inorganic layered silicate (B) satisfying expressions (1) and (2) below is used. 11.0 ≥ D ≥ 2.0 µm (1), σ ≥ 1.8 µm (2), wherein D and σ are a logarithmic average particle diameter of the swellable inorganic layered silicate (B) measured by laser diffraction and standard deviation of a particle size distribution thereof, respectively. This provides a gas barrier film including a resin composition layer, with a swellable inorganic layered silicate dispersed therein, having an extremely excellent gas barrier property and a method of producing a multilayer barrier film having the resin composition layer with extremely less irregularities on a surface thereof.
    • 本发明提供一种在基材(D)的至少一面上具有树脂组合物(C)层的阻气膜,其中,所述树脂组合物(C)含有水溶性或水分散性聚合物(A)和溶胀性无机物 层状硅酸盐(B),其中使用满足下述式(1)和(2)的可溶胀无机层状硅酸盐(B)。 11.0‰¥D‰¥2.0μm(1)Ã¥1.8μm(2)其中D和Ã是通过激光衍射测量的可膨胀无机层状硅酸盐(B)的对数平均粒径和颗粒的标准偏差 尺寸分布。 这提供了一种阻气膜,其包括具有分散在其中的可膨胀的无机层状硅酸盐的具有非常优异的阻气性的树脂组合物层和制备其表面上具有极少凹凸的树脂组合物层的多层阻挡膜的方法 。