发明名称 |
MAGNETIC RECORDING MEDIUM |
摘要 |
<p>Magnetic recording media comprising a non-magnetic substrate and a magnetic layer comprising a finely divided magnetic material dispersed in an organic solvent soluble, crosslinkable, essentially linear, thermoplastic polyurethane which possesses acrylate side and terminal groups wherein said polyurethane is prepared by reacting poly- and/or diisocyanates with a mixture of (a) methacrylate - or acrylate - diols having molecular weights of from 146 to 3,000, (b) monoesters of methacrylic or acrylic acid and a diol having a molecular weight of from 116 to 300, and (c) other organic polydiol compounds which have molecular weights of from 400 to 5,000.</p> |
申请公布号 |
EP0169524(B1) |
申请公布日期 |
1988.04.20 |
申请号 |
EP19850109123 |
申请日期 |
1985.07.22 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
LEHNER, AUGUST;HEIL, GUENTER, DR.;KOVACS, JENOE, DR.;BALZ, WERNER, DR.;LENZ, WERNER, DR. |
分类号 |
C09D5/23;C09D175/04;C09D175/14;G11B5/702;(IPC1-7):G11B5/702 |
主分类号 |
C09D5/23 |
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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