Barrier laminated film

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PROBLEM TO BE SOLVED : To provide a barrier property laminate film having oxygen barrier property, steam barrier property, light shading property and glossiness similar to that of aluminum deposited PET, good in adhesiveness with a substrate and an aluminum deposited film and having heat sealability.SOLUTION : There is provided a barrier property laminate film 1 having an unstretched polyolefin resin film 11, a gas barrier property coated film 12 arranged on the film and an aluminum deposited film layer 13 arranged on the coated film 12, where the gas barrier property coated film 12 has a coated film 12 consisting of a hydrolysate of alkoxide or a hydrolysis condensate of alkoxide obtained by polymerization condensation of a composition containing at least one or more alkoxide represented by the formula : RM(OR), where M is a metal atom, Rand Rare C1 to 8 organic groups, n is an integer of 0 or more, m in an integer of 1 or more and n+m is atomic value of M, polyvinyl alcohol and/or ethylene vinyl alcohol by a sol-gel method.SELECTED DRAWING : Figure 1