| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyamide based multi-layer film which is excellent in pinhole resistance. SOLUTION: This polyamide based multi-layer film is composed of three layers of a polyamide layer, a barrier layer and the polyamide layer. The polyamide layer is constituted of a mixture of 50 to 97 wt.% of nylon 6, 3 to 50 wt.% of a nylon 6-66 copolymer, and 0 to 20 wt.% of an aromatic polyamide. COPYRIGHT: (C)2008,JPO&INPIT
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