| 摘要 |
PROBLEM TO BE SOLVED: To provide a laminate obtained by laminating a polypropylene spun bonded nonwoven fabric and a thermoplastic resin layer, used as the constituent material of a bag housing a heating element composition and having excellent flexibility, feeling and the touch as the constituent material while substantially holding various characteristics such as heat resistance, strength, tenacity, fabricability and the like possessed by the polypropylene spun bonded nonwoven fabric. SOLUTION: The laminate 1 is composed of the polypropylene spun bonded nonwoven fabric 2 and the thermoplastic resin layer 3 and adapted as the constituent material of the heating element composition housing bag 40. The coefficient of static friction of the polypropylene spun bonded nonwoven fabric 2 is 0.1-0.4. COPYRIGHT: (C)2005,JPO&NCIPI
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