申请人:Matsumura Oil Research Corporation
公开号:EP1114857A1
公开(公告)日:2001-07-11
The present invention provides a lubricant for magnetic recording medium which comprises, as an effective component, a phosphazene compound of formula
[N=P [O(C6H4) - (A)z-R] a [OCH2-(B)xH] b]y (1)
wherein A is -C6H4- or -OC6H4-, B is fluorine-containing alkylene group, R is hydrogen atom, fluorine atom, C1-4 alkyl, C1-4 alkoxy or C1-4 haloalkyl, a and b are a real number of 0 to 2, satisfying a+b=2, x is 1, 2, 3 or 4, y is 3 or 4, and z is 0 or 1.
本发明提供了一种用于磁记录介质的润滑剂,它包括作为有效成分的式磷氮化合物
[N=P [O(C6H4) - (A)z-R] a [OCH2-(B)xH] b]y (1)
其中 A 是-C6H4-或-OC6H4-,B 是含氟亚烷基,R 是氢原子、氟原子、C1-4 烷基、C1-4 烷氧基或 C1-4 卤代烷基,a 和 b 是 0 至 2 的实数,满足 a+b=2,x 是 1、2、3 或 4,y 是 3 或 4,z 是 0 或 1。