申请人:Nakata Hiyoku
公开号:US20120021253A1
公开(公告)日:2012-01-26
[Problem] Provided is a novel lubricant composition that is useful as a material of a lubricating layer of a magnetic recording medium.
[Means for Resolution] The lubricant composition contains at least one kind of compound represented by the following Formula (1). In the formula, X represents a cyclic group that may be substituted, and Y represents a single bond or a linking group having a valency of 2 or more. Here, at least one of X and Y includes 1 or more polar groups such as a hydroxyl group; Z represents a linking group having a valency of 2 or more and constituted with a carbon atom (C), a fluorine atom (F), and 1 or 2 kinds of arbitrary atoms (here, a hydrogen atom is excluded); n represents a real number of 1 to 10; m represents a real number of 0 to 1; and s and t independently represent a real number of 1 or greater.
XYZ—C
n
F
2n+1-m
H
m
]
s
]
t
(1)
[问题] 提供的是一种新型润滑剂组合物,可用作磁记录介质的润滑层材料。[解决方法] 该润滑剂组合物包含至少一种由以下式(1)表示的化合物。在该式中,X表示可能被取代的环状基团,Y表示具有2个或更多价的单键或连接基团。在此,X和Y中至少有一个包括1个或更多的极性基团,例如羟基;Z表示具有2个或更多价的连接基团,由碳原子(C)、氟原子(F)和1或2种任意原子(此处不包括氢原子)组成;n表示1到10的实数;m表示0到1的实数;s和t分别表示1或更大的实数。XYZ—CnF2n+1-mHm]s]t(1)