| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a laminate for medical drug bag packaging and food packaging which excels in a barrier functionality to oxygen gas, water vapor, etc., excels in a quality retentivity since there is little eluate from a film, further, excels also in traffic fitness since it excels in flexibility, impact resistance, abrasion resistance, pinhole resistance, and piercing resistance, and is excellent in thermal resistance, heat sealability, shading functionality, printability, etc. <P>SOLUTION: In the laminate which consists of composition in which at least an undrawn polyolefin film as the outermost layer, a drawn polyamide resin film as a barrier layer, a shading functionality film, and an undrawn polyolefin film as the innermost layer overlaying one after another, the innermost layer is a film which is formed from a resin having the lower melting point than the outermost layer, the outermost layer and the barrier layer and the shading functionality film layer and the innermost layer as well are laminated with melting extrusion resin layers in between, and the barrier layer and the shading functionality film layer overlie each other with an adhesive layer for dry lamination in between. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
