	US 11,718,808 B2
	Lubricant composition
Ayumi Sakai, Ibaraki (JP)
Assigned to NOK KLUEBER CO., LTD., Tokyo (JP)
Appl. No. 17/621,287
Filed by NOK KLUEBER CO., LTD., Tokyo (JP)
PCT Filed Jun. 17, 2020, PCT No. PCT/JP2020/023753 § 371(c)(1), (2) Date Dec. 21, 2021, PCT Pub. No. WO2020/262141, PCT Pub. Date Dec. 30, 2020.
Claims priority of application No. 2019-118368 (JP), filed on Jun. 26, 2019.
Prior Publication US 2022/0356411 A1, Nov. 10, 2022
Int. Cl. C10M 169/04 (2006.01); C10M 107/38 (2006.01); C10M 133/42 (2006.01); C10M 147/04 (2006.01); C10N 30/00 (2006.01); C10N 20/06 (2006.01)

CPC C10M 107/38 (2013.01) [C10M 133/42 (2013.01); C10M 147/04 (2013.01); C10M 169/044 (2013.01); C10M 2213/0606 (2013.01); C10M 2213/0626 (2013.01); C10M 2215/222 (2013.01); C10N 2020/06 (2013.01); C10N 2030/76 (2020.05)]

3 Claims

1. A lubricant composition for a resin-resin sliding portion or a resin-metal sliding portion, comprising:

a base oil comprising a perfluoropolyether oil including a side chain; and

a polytetrafluoroethylene having a primary particle diameter of 1 μm or larger and a melamine cyanurate as thickeners,

wherein

a content of the polytetrafluoroethylene in the lubricant composition is 10 to 40% by mass, and

a content of the melamine cyanurate in the lubricant composition is 4 to 20% by mass.