| 摘要 |
<p>A gas barrier film exhibiting a superior gas barrier property and simultaneously provided with an excellent coating property, a polyurethane resin obtained by adding a polyisocyanate compound containing at least one of an aromatic, aromatic aliphatic, and alicyclic polyisocyanate in an amount of at least 30 wt% of the total polyisocyanate compound, a polyhydroxyalkane carboxylic acid, as necessary a polyol compound containing a C2 to C8 polyol ingredient in an amount of at least 90 wt% of the total polyol compound, a chain extender selected from the group comprised of at least one of ammonia, an ammonia derivative, diamine, hydrazine, and a hydrazine derivative, and a neutralization agent and having a total of a urethane group concentration and urea group concentration of 25 to 60 wt% and an acid value of 5 to 100 mgKOH.g<-1>, a swellable inorganic layer compound, and a polyamine compound having an amine value of 100 to 1900 mgKOH.g<-1> formed on one side or both sides of a thermoplastic resin base.</p> |
