Title:
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2017/145995
Kind Code:
A1
Abstract:
A fluorine-containing ether compound represented by formula (1). R4CH2R3CH2R2CH2R1CH2R2CH2R3CH2R5 (1) (In formula (1), R1and R3 are the same or different perfluoropolyether chains, R2 is a linking group containing at least 1 polar group, R4 and/or R5 is a terminal group containing 2 or more polar groups, and R4 and R5 are different.)
Inventors:
YAMAGUCHI YUTA (JP)
FUKUMOTO NAOYA (JP)
ITO NAOKO (JP)
TOMITA HIROYUKI (JP)
OTA ICHIRO (JP)
MUROFUSHI KATSUMI (JP)
FUKUMOTO NAOYA (JP)
ITO NAOKO (JP)
TOMITA HIROYUKI (JP)
OTA ICHIRO (JP)
MUROFUSHI KATSUMI (JP)
Application Number:
PCT/JP2017/006182
Publication Date:
August 31, 2017
Filing Date:
February 20, 2017
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
International Classes:
C07C43/13; C10M105/54; C10M107/38; G11B5/725; C10N20/04; C10N30/00; C10N40/18
Domestic Patent References:
| WO2016084781A1 | 2016-06-02 |
Foreign References:
| US20120251873A1 | 2012-10-04 | |||
| JP2014509677A | 2014-04-21 | |||
| JP2009211765A | 2009-09-17 | |||
| JPH10143838A | 1998-05-29 |
Other References:
GUO, X. ET AL.: "A multidentate lubricant for use in hard disk drives at sub-nanometer thickness", JOURNAL OF APPLIED PHYSICS, vol. 111, no. 2, 2012, pages 024503/1 - 024503/7, XP012158023, DOI: doi:10.1063/1.3677984
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
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