发明名称 |
Magnetic recording medium comprising a magnetic layer having ferromagnetic powder, a specified binder and a lubricant composition which includes a specified tertiary branched chain fatty acid ester |
摘要 |
A magnetic recording medium high in storage stability and excellent in running properties and durability over a wide range of temperature and humidity, which comprises a non-magnetic support having a magnetic layer formed thereon, in which the magnetic recording layer contains a tertiary branched chain fatty acid ester represented by the following general formula ( I ): <IMAGE> (I) wherein each of R1, R2 and R3 independently represents a hydrocarbon group having 1 to 18 carbon atoms, and R4 represents a hydrogen group having 1 to 24 carbon atoms, provided the total number of carbon atoms in the ester is 12 to 40.
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申请公布号 |
US5356726(A) |
申请公布日期 |
1994.10.18 |
申请号 |
US19930048587 |
申请日期 |
1993.04.19 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
NISHIKAWA, YASUO;HANAI, KAZUKO;USHIMARU, AKIRA;HIGAKI, YUZO;YAMADA, TATSUYA |
分类号 |
G11B5/71;C09D5/23;C09D127/04;C09D127/06;C09D175/06;C10M105/34;C10N40/18;G11B5/64;(IPC1-7):G11B5/00 |
主分类号 |
G11B5/71 |
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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