abstract |
A composition having a compound of the following formulae is disclosed, wherein R'1 and R'2 are respectively a hydrocarbyl group which includes a functional group selected from phenolic ester; polyether; thiophosphate; and phosphate, and the sum of m and n is a positive integer less than 6. The composition may be used in the lubricant layer of the magnetic recording medium. (62) Divided out of 514039 |