发明名称 |
Flexible magnetic recording material with improved adhesion. |
摘要 |
<p>A flexible magnetic recording media having superior peel strength is disclosed. The magnetic recording media comprises a primer coated polyester film which has been overcoated with a coating comprising ferromagnetic particles dispersed in a polymeric binder. The primer coating is preferably sodium oleate which has been in-line coated onto polyethylene terephthalate film. The ferromagnetic particles are preferably chromium dioxide particles. The polymeric binder is preferably a polyurethane reaction product of (A) a hydrolytically stable difunctional alcohol, (B) a chain extender, and (C) an aromatic diisocyanate.</p> |
申请公布号 |
EP0294718(B1) |
申请公布日期 |
1994.03.16 |
申请号 |
EP19880108887 |
申请日期 |
1988.06.03 |
申请人 |
HOECHST CELANESE CORPORATION |
发明人 |
HEBERGER, JOHN M.;FOXHALL, RUSSELL S. |
分类号 |
G11B5/842;C09D5/23;C09D167/00;C09D175/00;C09D175/04;G11B5/73;G11B5/735;G11B5/738;(IPC1-7):G11B5/704 |
主分类号 |
G11B5/842 |
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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