Invention Publication
- Patent Title: FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM
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Application No.: US18009371Application Date: 2021-06-07
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Publication No.: US20240002743A1Publication Date: 2024-01-04
- Inventor: Tsuyoshi KATO , Ayano ASANO , Natsumi SHIBATA , Daisuke YAGYU , Takuma KURODA , 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: JP 20101575 2020.06.11
- International Application: PCT/JP2021/021500 2021.06.07
- Date entered country: 2022-12-09
- Main IPC: C10M131/10
- IPC: C10M131/10 ; C07C43/12 ; G11B5/725
Abstract:
What is provided is a fluorine-containing ether compound represented by the following formula. R1—R2—O—CH2—R3—CH2—O—R4—R5
(R3 is a perfluoropolyether chain; R2 is represented by Formula (2), R4 is represented by Formula (3), R1 and R5 are hydrogen atoms or Formula (4); a and b in Formula (2) are an integer of 0 to 2, c in Formula (2) is an integer of 2 to 5, d and e in Formula (3) are an integer of 0 to 2, f in Formula (3) is an integer of 2 to 5; at least one of b in Formula (2) and e in Formula (3) is 1 or more; and k in Formula (4) is an integer of 3 to 6.)
(R3 is a perfluoropolyether chain; R2 is represented by Formula (2), R4 is represented by Formula (3), R1 and R5 are hydrogen atoms or Formula (4); a and b in Formula (2) are an integer of 0 to 2, c in Formula (2) is an integer of 2 to 5, d and e in Formula (3) are an integer of 0 to 2, f in Formula (3) is an integer of 2 to 5; at least one of b in Formula (2) and e in Formula (3) is 1 or more; and k in Formula (4) is an integer of 3 to 6.)
Information query
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