发明名称 |
Magnetic recording media |
摘要 |
Magnetic recording media comprising a non-magnetic base and, applied thereto, one or more magnetizable layers based on an anisotropic magnetic material finely dispersed in an organic binder containing an ionomeric polyurethane elastomer, wherein the binder used is a substantially aqueous polyurethane dispersion prepared from a polyurethane solution which has been obtained by reacting a polyisocyanate with an organic polyhydroxy compound in the presence of an organic solvent that is inert to isocyanate groups.
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申请公布号 |
US4328282(A) |
申请公布日期 |
1982.05.04 |
申请号 |
US19810225677 |
申请日期 |
1981.01.16 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
LEHNER, AUGUST;HARTMANN, HEINRICH;BACHMANN, RUDOLF;BALZ, WERNER;KOHL, ALBERT |
分类号 |
C08G18/08;C08G18/83;C09D5/23;G11B5/702;G11B5/842;(IPC1-7):H01F10/02 |
主分类号 |
C08G18/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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