Patent ID: 9558778
Date: 2017-01-31
CPC Classifications: C07F,C10M,C10N,G11B

Claim:
1. A lubricant compound for a magnetic disk contained in a lubrication layer of a magnetic disk in which at least a magnetic layer, a protective layer, and a lubrication layer are sequentially provided on a substrate, characterized in that the lubricant compound contains a component A represented by Chemical formula 1 and a component B represented by Chemical formula 2: wherein X in Chemical formula 1 represents OH wherein X in Chemical formula 2 represents OCH and the lubricant compound further contains at least one type of a component C, wherein the component C is selected from compounds C-1 and C-2 represented by the following formulae: wherein Rf represents —(OC PN is represented from one of the following formulae: wherein x and y each is an integer of 5 when C is compound (C-1) and an integer of 4 when C is compound (C-2), wherein the lubricant compound does not contain a component D represented by the following Chemical formula