发明名称 |
Fluorine containing diester of alkyl-or alkenylsuccinic acid, preparation thereof and magnetic recording medium. |
摘要 |
<p>A fluorine containing diester of an alkyl- or alkenylsuccinic acid having the general formula: <CHEM> wherein R1 represents an alkyl or alkenyl group, at least one of R2 and R3 is a fluoroalkyl or fluoroalkenyl group, the remaining of R2 and R3 is an alkyl or alkenyl group, k, l, m and n are 0 or an integer not less than 1, respectively, and k+l are an integer of not less than 2, which provides an excellent lubricating property under any environment from low humidity to high humidity, and is particularly suitable for use in a magnetic recording medium.</p> |
申请公布号 |
EP0619293(A1) |
申请公布日期 |
1994.10.12 |
申请号 |
EP19940105276 |
申请日期 |
1994.04.05 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
KAI, YOSHIAKI;TAKAHASI, KIYOSI;OHCHI, YUKIKAZU |
分类号 |
C07C67/08;C07C69/63;C07C69/65;C10M105/54;C10N40/18;G11B5/71;G11B5/725;(IPC1-7):C07C69/63;G11B5/72 |
主分类号 |
C07C67/08 |
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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