| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyvinyl alcohol type resin, which renders the preparation of a packaging material having high gas barrier property under a high humidity condition even used as a monolayer film. <P>SOLUTION: The polyvinyl alcohol (PVA) type resin has at least a PVA structural unit and also has an alicyclic structural unit in the main chain. A monolayer film containing this PVA type resin and a laminate containing at least one layer comprising this PVA type resin become packaging materials having high gas barrier property even under a high humidity condition. <P>COPYRIGHT: (C)2008,JPO&INPIT |
