| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyamide-based multilayered film showing excellent thermal dimensional stability, and excellent adhesion between layers even under a dry condition or a humid condition. SOLUTION: The polyamide-based multilayered film has at least three layers of a sulfone group-containing polyester layer (layer C1), a polyamide-based copolymer layer (layer B1), and an aliphatic polyamide layer (layer A) in this order. COPYRIGHT: (C)2010,JPO&INPIT |
