公开(公告)号：US20200283392A1

公开(公告)日：2020-09-10

申请号：US16759515

申请日：2018-08-28

Applicant: SHOWA DENKO K.K.

Inventor： Tsuyoshi KATO ,  Daisuke YAGYU ,  Naoya FUKUMOTO ,  Yuta YAMAGUCHI ,  Masumi KURITANI ,  Katsumi MUROFUSHI ,  Masaki NANko ,  Hiroyuki TOMITA

IPC: C07D231/12 ,  C10M107/24 ,  C10M107/38 ,  C10M107/40 ,  C10M107/46 ,  G11B5/725 ,  C07D277/24 ,  C07D333/16

Abstract: Provided is a fluorine-containing ether compound capable of forming a lubricant layer having excellent wear resistance even when the thickness is thin, and suitable as a material of a lubricant for a magnetic recording medium. The fluorine-containing ether compound is a compound represented by the following formula (1): R1—R2—CH2—R3—CH2—R4—R5; wherein R3 is a perfluoropolyether chain; R1 is a terminal group bonded to R2; R5 is a terminal group bonded to R4; R1 is an alkenyl group or an alkynyl group; R5 is a group containing a heterocyclic ring; R2 is represented by the following formula (2); R4 is represented by the following formula (3); and a in the formula (2) and b in the formula (3) are each independently an integer of 1 to 3.