Magnetic recording media
    5.
    发明授权
    Magnetic recording media 失效
    磁记录媒体

    公开(公告)号:US5968658A

    公开(公告)日:1999-10-19

    申请号:US982436

    申请日:1997-12-02

    IPC分类号: C09D5/23 G11B5/702

    摘要: Magnetic recording media contain a nonmagnetic substrate and a magnetizable layer, the magnetizable layer containing ferromagnetic pigments and a system of polymeric materials, wherein the system of polymeric materials containsa) from 3 to 35% by weight of a polymer containing ionic or ionogenic groupsb) from 5 to 97% by weight of a polymer XIV which contains basic groups, and has a molecular weight of from 30000 to 2000000.

    摘要翻译: 磁记录介质包含非磁性基底和可磁化层,可磁化层含有铁磁性颜料和聚合物材料体系,其中聚合材料体系包含a)3至35重量%的含有离子或离子型基团的聚合物b )5〜97重量%的含有碱性基团的聚合物XIV,分子量为30000〜2000000。