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    • 1. 发明授权
    • Polyamide laminated film
    • 聚酰胺层压膜
    • US06294263B1
    • 2001-09-25
    • US09263988
    • 1999-03-05
    • Haruo OkudairaAkira MatsudaSinitiro OkumuraKazumoto ImaiTsutomu Oko
    • Haruo OkudairaAkira MatsudaSinitiro OkumuraKazumoto ImaiTsutomu Oko
    • B32B2708
    • B32B27/34Y10S428/91Y10T428/31725Y10T428/31728Y10T428/31732Y10T428/31739Y10T428/31743Y10T428/3175
    • The present invention is to provide a polyamide laminated film comprising a resin layer A and a resin layer B formed on at least one surface of the resin layer A, the resin layer A being composed mainly of a m-xylylene group-containing polyamide polymer (a-1) which is one prepared from monomer components containing a xylylenediamine compound as a main diamine component and an &agr;,&ohgr;-aliphatic dicarboxylic acid having from 6 to 12 carbon atoms as a main dicarboxylic acid component, the xylylenediamine compound being m-xylylenediamine alone or a mixture of m-xylylenediamine and p-xylylenediamine, and the resin layer B being mainly composed of a mixed polymer (b-3) which is a mixture of from 99 to 80% by weight of an aliphatic polyamide (b-1) and from 1 to 20% by weight of an elastomer (b-2). The laminated film is good in a gas barrier property and also in a flexural fatigue resistance and a transparency.
    • 本发明提供一种聚酰胺层合膜,其包含树脂层A和形成在树脂层A的至少一个表面上的树脂层B,树脂层A主要由含间亚二甲苯基的聚酰胺聚合物组成 a-1),其是含有作为主要二胺组分的苯二甲胺化合物和具有6-12个碳原子的α,ω-脂肪族二羧酸作为主要二羧酸组分的单体成分,所述苯二甲胺化合物是间苯二甲胺 单独或间苯二甲胺和对苯二甲胺的混合物,树脂层B主要由混合聚合物(b-3)组成,该混合聚合物是以99〜80重量%的脂肪族聚酰胺(b-1) 和1〜20重量%的弹性体(b-2)。该层压膜具有良好的阻气性和抗弯曲疲劳性以及透明性。