US 11,912,824 B2
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
Naoya Fukumoto, Ichihara (JP); Daisuke Yagyu, Ichihara (JP); Tsuyoshi Kato, Ichihara (JP); and Katsumi Murofushi, Tokyo (JP)
Assigned to RESONAC CORPORATION, Tokyo (JP)
Appl. No. 17/630,594
Filed by Resonac Corporation, Tokyo (JP)
PCT Filed Jul. 10, 2020, PCT No. PCT/JP2020/027013
§ 371(c)(1), (2) Date Jan. 27, 2022,
PCT Pub. No. WO2021/020076, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 2019-141290 (JP), filed on Jul. 31, 2019.
Prior Publication US 2023/0257521 A1, Aug. 17, 2023
Int. Cl. C08G 65/32 (2006.01); C10M 107/38 (2006.01); C08G 65/337 (2006.01); G11B 5/725 (2006.01); C10N 40/18 (2006.01)
CPC C08G 65/337 (2013.01) [C10M 107/38 (2013.01); G11B 5/7257 (2020.08); C10M 2213/0606 (2013.01); C10N 2040/18 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A fluorine-containing ether compound represented by the following formula (1),
R1—CH2—R2—CH2—R3  (1)
(in the formula (1), R1 is an alkoxy group having 1 to 10 carbon atoms, R2 is a perfluoropolyether chain, R3 is —OCH2CH(OH)CH2O(CH2)mOH (m in the formula is an integer of 2 to 4)).