| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging material for battery case capable of ensuring excellent moldability even if a slipperiness imparting component is not applied, while obtaining a sufficient volume capacity ratio. <P>SOLUTION: In the packaging material for battery case, a biaxially stretched polyamide film layer 2 is laminated and integrated on the upper surface of an aluminum foil layer 4 with an urethane resin adhesive agent 5 interposed therebetween, and a thermoplastic resin unstretched film layer 3 is laminated and integrated on the lower surface of the aluminum foil layer 4 with a maleic acid-modified polypropylene layer and an unmodified polypropylene layer interposed therebetween. A biaxially stretched polyamide film having a density of 1130-1146 kg/m<SP POS="POST">3</SP>is used. <P>COPYRIGHT: (C)2013,JPO&INPIT |
