Patent ID: 6071609
Filing Date: 2000-06-06
Classification: C07C,G11B,Y10S,Y10T

Abstract:
A magnetic recording medium comprising a non-magnetic substrate, a magnetic layer formed on at least one surface of said non-magnetic substrate, and a lubricant layer which is present on or in said magnetic layer and comprises an organic compound of the formula (1):R.sub.1 -Z.sub.1 -R.sub.3 -Z.sub.2 -R.sub.2 ( 1)wherein R.sub.1 and R.sub.2 are the same and different and represent a linear, branched or cyclic saturated or unsaturated hydrocarbon group, a polyether group, a polyester group, a polyamide group or a polycarbonate group each of which has 4 to 34 carbon atoms; Z.sub.1 and Z.sub.2 are the same or different and represent an amide bond, an ether bond, a urethane bond, a urea bond or an amine salt bond formed by a reaction between an acid and an amine; and R.sub.3 is a group of the formula:--(CH.sub.2).sub.x --(CF.sub.2).sub.y --(CH.sub.2).sub.z --in which x and z are the same or different and an integer of 1 to 4, and y is an integer of 4 to 34.