| 摘要 |
<p>PURPOSE: A packaging material for electronic-part case is provided, which is excellent in processability and strength, has high aluminum foil/resin layer adhesion, is excellent in water vapor impermeability and heat sealability, and is not attacked by electrolytic solutions, etc. CONSTITUTION: The packaging material comprises a stretched film layer of a heat-resistant resin as an outer-side layer, an unstretched film layer of a thermoplastic resin as an inner-side layer, and an aluminum foil layer disposed therebetween, and is characterized by having an acrylic polymer layer disposed between the aluminum layer and the unstretched film layer.</p> |
