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Title:
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIA, AND MAGNETIC RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/087548
Kind Code:
A1
Abstract:
Provided is a fluorine-containing ether compound which is capable of forming a lubricating layer that has excellent wear resistance even if the thickness thereof is thin, and which is suitable as a material for a lubricant for magnetic recording media. A fluorine-containing ether compound which is represented by formula (1). (1): R1-R2-CH2-R3-CH2-R4-R5 (In formula (1), R3 represents a perfluoropolyether chain; R1 is an end group bonded to R2; R5 is an end group bonded to R4; R1 represents an alkenyl group or an alkynyl group; R5 represents a group that contains a heterocyclic ring; R2 is a moiety represented by formula (2); R4 is a moiety represented by formula (3); and a in formula (2) and b in formula (3) independently represent an integer of 1-3.)

Inventors:
KATO Tsuyoshi (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
YAGYU Daisuke (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
FUKUMOTO Naoya (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
YAMAGUCHI Yuta (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
KURITANI Masumi (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
MUROFUSHI Katsumi (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
NANKO Masaki (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
TOMITA Hiroyuki (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
Application Number:
JP2018/031788
Publication Date:
May 09, 2019
Filing Date:
August 28, 2018
Export Citation:
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Assignee:
SHOWA DENKO K.K. (13-9, Shibadaimon 1-chome Minato-k, Tokyo 18, 〒1058518, JP)
International Classes:
C07D231/12; C07D277/24; C07D333/16; C10M107/38; C10M107/40; C10M107/46; G11B5/725; C10N20/04; C10N30/00; C10N30/06; C10N40/18
Domestic Patent References:
WO2017154403A12017-09-14
WO2017145995A12017-08-31
WO2016084781A12016-06-02
WO2015087596A12015-06-18
Foreign References:
US20160068778A12016-03-10
JP2009211765A2009-09-17
JPH10143838A1998-05-29
Attorney, Agent or Firm:
OIKAWA Shu et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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