发明名称 |
Magnetic powder coated with a copolymer of polyoxyethylene allyl methyl diether and maleic anhydride |
摘要 |
A magnetic powder treated with a coating agent, wherein the surface of the magnetic powder is coated with an alternating copolymer comprising a polyoxyethylene allyl methyl diether and maleic anhydride. An aqueous coating material containing the magnetic powder and a magnetic recording medium prepared by use of the magnetic powder. The magnetic powder of the present invention has a good dispersibility. The aqueous coating material containing the magnetic powder allows for coating under a simple and safe environment. Also the magnetic recording medium prepared by the use of magnetic powder exhibits excellent magnetic characteristics.
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申请公布号 |
US5053273(A) |
申请公布日期 |
1991.10.01 |
申请号 |
US19880256056 |
申请日期 |
1988.10.11 |
申请人 |
MIHAMA CORPORATION |
发明人 |
INADA, YUJI;TAMAURA, YUTAKA;TAKAHASHI, KATSUNOBU |
分类号 |
G11B5/712 |
主分类号 |
G11B5/712 |
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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