Invention Application
- Patent Title: FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM
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Application No.: US17437251Application Date: 2020-03-12
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Publication No.: US20220169941A1Publication Date: 2022-06-02
- Inventor: Natsumi SHIBATA , Tsuyoshi KATO , Daisuke YAGYU , Shunya SUZUKI , Masaki NANKO , Naoya FUKUMOTO
- Applicant: SHOWA DENKO K.K.
- Applicant Address: JP Tokyo
- Assignee: SHOWA DENKO K.K.
- Current Assignee: SHOWA DENKO K.K.
- Current Assignee Address: JP Tokyo
- Priority: JP2019-044942 20190312
- International Application: PCT/JP2020/010759 WO 20200312
- Main IPC: C10M107/38
- IPC: C10M107/38 ; C08G65/22 ; G11B5/725

Abstract:
This fluorine-containing ether compound is a fluorine-containing ether compound represented by formula (1). R1—X—R2—CH2—R3—CH2—R4 (1) (In formula (1), R1 is an alkenyloxy group of 2 to 8 carbon atoms or an alkynyloxy group of 3 to 8 carbon atoms. R2 is represented by formula (2) shown below. In formula (2), a represents an integer of 1 to 3. X is represented by formula (3) shown below. In formula (3), b represents an integer of 1 to 5, Y is a divalent linking group that is bonded to a carbon atom in formula (2), and R represents an alkyl group of 1 to 6 carbon atoms or H. R3 represents a perfluoropolyether chain. R4 represents a terminal group containing two or three polar groups, wherein each polar group is bonded to a different carbon atom, and the carbon atoms to which the polar groups are bonded are bonded to each other via a linking group containing a carbon atom to which a polar group is not bonded.)
Public/Granted literature
- US11820953B2 Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium Public/Granted day:2023-11-21
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