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Magnetic card having embossed portions and a magnetic layer having magnetic powders specified binder resins and a tensile elongation at break of 50 percent or more

机译:具有压纹部分的磁卡和具有磁性粉的磁性层,所述磁性粉具有指定的粘合剂树脂,并且断裂拉伸伸长率为50%以上

摘要

Disclosed is a magnetic card which comprises a substrate of a thermoplastic resin and a magnetic recording layer provided on the whole surface of at least one side of the substrate, wherein necessary matters such as letters and figures can be formed in a given area by embossing treatment, and wherein the magnetic recording layer consists of a magnetic film which contains 70% by weight or more of magnetic powders having a coercive force of 300 Oe or higher and which has a tensile break elongation of 50% or more.
机译:公开了一种磁卡,其包括热塑性树脂基板和设置在该基板的至少一侧的整个表面上的磁记录层,其中可以通过压纹处理在给定区域中形成诸如字母和图形之类的必要物质。并且,其中所述磁记录层由磁性膜组成,所述磁性膜包含按重量计70%或更多的具有300 Oe或更高的矫顽力的磁性粉末,并且其拉伸断裂伸长率为50%或更高。

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