| abstract |
A gas barrier laminate film having excellent gas barrier properties and laminate strength is provided. A gas barrier laminated film having a base film 10, an inorganic oxide vapor deposition film 20, a gas barrier coating film 30, an anchor coat layer 40, and a heat seal layer 50 in this order. Is a gas barrier composition obtained by polycondensation by a sol-gel method, containing polyethyleneimine as the anchor coat layer 40, containing an alkoxide and a polyvinyl alcohol resin and / or an ethylene / vinyl alcohol copolymer. It consists of an anchor coat composition. Furthermore, it is preferable that an adhesive resin layer is included between the anchor coat layer 40 and the heat seal layer 50, and that the heat seal layer 50 is made of a heat-fusible polyolefin resin. [Selection] Figure 1 |