Dai Nippon Printing Co., Ltd.

Ryunosuke Shiota

Satoshi Shioda

Yoshihiro Kishimoto

Masanori Sawada

Ai Okano

Hidenari Kanetaka

Provided is a barrier film which is less likely to undergo deterioration of gas barrier properties even after the Gelbo Flex test. The barrier film according to the present invention includes a barrier coat layer, an inorganic oxide vapor deposition layer, and a substrate layer in this order, the barrier coat layer being a cured film of a barrier coat composition containing: a hydrolyzed product of an alkoxysilane represented by the following General Formula (I): Si(OR). . . (I), wherein Rrepresents an organic functional group; a water-soluble polymer; and a hydrolyzed product of a silane coupling agent represented by the following General Formula (II): RSi(OR). . . (II), wherein Rand Reach independently represent an organic functional group, and n is 2 or 3.

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Tokyo, Japan

Ryunosuke Shiota