CYCLOPHOSPHAZENE COMPOUND, LUBRICANT COMPRISING SAME, AND MAGNETIC DISK
申请人:MORESCO Corporation
公开号:EP2565198A1
公开(公告)日:2013-03-06
A cyclophosphazene compound of the formula (I), and lubricants and magnetic disks using the compound
wherein n is 2, 3 or 4, m is an integer of 1 to 12, R is C1-4 fluoroalkyl and Rf is -CF2O(CF2CF2O)x(CF2O)yCF2- or -CF2CF2O(CF2CF2CF2O)zCF2CF2- in which x, y and z are each 0 or a positive real number to give a number average molecular weight of 500 to 4000 to a fluoropolyether of the formula HOCH2-Rf-CH2OH including said Rf, the fluoropolyether having a molecular weight distribution (PD) of 1.0 to 1.5.