发明名称 AROMATIC POLYAMIDE FILM AND MAGNETIC RECODING MEDIA MADE BY USING THE SAME
摘要 <p>The present invention is an aromatic polyamide film, which is a laminated film consisting of at least two layers, comprising an aromatic polyamide and 0.1 wt% to 10 wt% of at least one or more different polymers, being contained at least in the outermost layer (layer A) of the film, subject to the condition that the following formulae are satisfied &lt;MATH&gt; &lt;MATH&gt; &lt;MATH&gt; where d is the thickness of the layer A ( mu m); t, the circle equivalent diameter of the isles of the different polymer ( mu m); L, the major axis of the isles ( mu m); and s, the minor axis of the isles ( mu m). The aromatic polyamide film of the present invention is especially useful as a base film of a magnetic recording medium with high productivity since it is free from the wrinkling and weaving caused at the time of film winding and excellent in abrasion resistance on the film surface.</p>
申请公布号 EP0947315(A4) 申请公布日期 2002.03.06
申请号 EP19980947962 申请日期 1998.10.20
申请人 TORAY INDUSTRIES, INC. 发明人 SUEOKA, MASANORI;HORIUCHI, MITSUHIRO;TSUKUDA, AKIMITSU
分类号 B32B27/06;B32B27/08;G11B5/73;G11B5/733;(IPC1-7):B32B27/34;B32B33/00;G11B5/704 主分类号 B32B27/06
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