| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lid material for a plastic container which prevents a lid from being torn when the lid is peeled to unseal a package for microwave cooking that is prepared by filling the plastic container with such a content article as rice, sealing the container with the lid by heat, and subjecting the container to retort treatment. <P>SOLUTION: The lid material for the plastic container is formed of a laminate including a heat sealing resin inner layer, a biaxially stretched polyamid resin intermediate layer formed by simultaneous biaxial stretching using a tubular method, and a gas barrier resin outer layer with a nonorganic material thin layer. <P>COPYRIGHT: (C)2008,JPO&INPIT |
