[Problem] The purpose of the present invention is to provide a gas barrier film having high gas barrier performance and excellent repeated reproducibility of gas barrier performance. [Solution] A gas barrier film comprising a polymer base, an undercoat layer that contains, as the main component, an acrylic resin having at least one side chain selected from the group consisting of the side chains (I) to (III) mentioned below, and an inorganic layer, wherein the undercoat layer and the inorganic layer are arranged in this order on at least one surface of the polymer base in such a manner that the undercoat layer and the inorganic layer are in contact with each other: (I) a side chain having an acrylic polymer skeleton; (II) a side chain having a dimethylsiloxane skeleton; and (III) a side chain having a skeleton containing a fluorine atom.
[问题]本发明的目的是提供一种气体阻隔薄膜,该薄膜具有较高的气体阻隔性能和优异的气体阻隔性能重复再现性。[解决方案] 一种气体阻隔薄膜,包括聚合物基底、底涂层(其主要成分为
丙烯酸树脂,该
丙烯酸树脂具有至少一条选自下述侧链(I)至(III)组成的组的侧链)和无机层,其中底涂层和无机层按以下顺序排列在聚合物基底的至少一个表面上,使得底涂层和无机层相互接触:(I) 具有
丙烯酸聚合物骨架的侧链; (II) 具有二甲基
硅氧烷骨架的侧链;以及 (III) 具有含
氟原子骨架的侧链。