发明名称 |
MAGNETIC RECORDING MEDIUM |
摘要 |
PURPOSE:To improve the lubricity and durability of the magnetic layer of the title medium by forming the magnetic layer contg. oleic acid and ethyl stearate or ethyl oleate and 2-ethylhexyl stearate on a supporting body. CONSTITUTION:The magnetic layer contg. oleic acid and ethyl stearate or ethyl oleate and 2-ethylhexyl stearate is formed on a supporting body. The ethyl stearate or ethyl oleate jointly used with oleic acid is the ester of 2 C ethyl alcohol and 18 C stearic acid or oleic acid, and has stabilized lubricity in a wide temp. range. Meanwhile, the 2-ethylhexyl stearate is the ester of 8 C 2-ethylhexyl alcohol and 18 C stearic acid, and has excellent lubricity especially under low-temp. conditions. As a result, the wear resistance and durability of the magnetic layer are improved in a wide temp. range. |
申请公布号 |
JPS63173226(A) |
申请公布日期 |
1988.07.16 |
申请号 |
JP19870004378 |
申请日期 |
1987.01.12 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
HIROTA HOZUMI;SHIMAZAKI YUKIHIRO;KOMODA HIDEAKI;OTA IKUO |
分类号 |
G11B5/708;C09D5/23;C09D7/12;C10M105/24;C10M105/34;C10N40/18 |
主分类号 |
G11B5/708 |
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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