| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lid material of a beverage container which uses no metal like aluminum foil as a composing material of the lid material of the beverage container, which has superior preservability of the content in the beverage container, and has an adequate piercing property of a straw or the like, and to provide the beverage container using the lid material. <P>SOLUTION: The lid material of the beverage container seals an upper opening part of the beverage container and can be pierced by the straw. The lid material comprises a laminated structure of a film base material layer, a patten ink layer, a light shielding layer, an adhesive layer, and a thermoplastic resin layer. The film base material layer has polyester as a principal polymer component, total light transmission of the lid material of the beverage container is 1-25%, the piercing strength of the lid material of the beverage container is 3-10 N measured by the Food Sanitation Law test method on the strength, the seal adhesive strength of the thermoplastic resin layer with the beverage container measured by JIS-Z1707 is 5 N/15 mm-15 N/15 mm. <P>COPYRIGHT: (C)2012,JPO&INPIT |
