US 11,685,877 B2
Super-lubricity water lubricating additive, super-lubricity water lubricant, preparation method and application
Qinglun Che, Qingdao (CN); Jianjun Zhang, Qingdao (CN); Sen Liang, Qingdao (CN); Ning Cui, Qingdao (CN); Binjiang Lv, Qingdao (CN); Yang Xu, Qingdao (CN); and Xinghua Ma, Qingdao (CN)
Assigned to QINGDAO UNIVERSITY OF TECHNOLOGY, Qingdao (CN)
Appl. No. 17/421,219
Filed by QINGDAO UNIVERSITY OF TECHNOLOGY, Shandong (CN)
PCT Filed Jul. 21, 2020, PCT No. PCT/CN2020/103349
§ 371(c)(1), (2) Date Jul. 7, 2021,
PCT Pub. No. WO2021/243824, PCT Pub. Date Dec. 9, 2021.
Claims priority of application No. 202010498505.0 (CN), filed on Jun. 4, 2020.
Prior Publication US 2022/0340834 A1, Oct. 27, 2022
Int. Cl. C10M 173/02 (2006.01); C10M 125/02 (2006.01); C10M 161/00 (2006.01); C10N 20/06 (2006.01); C10N 30/06 (2006.01)
CPC C10M 173/02 (2013.01) [C10M 125/02 (2013.01); C10M 161/00 (2013.01); C10M 2201/02 (2013.01); C10M 2201/041 (2013.01); C10M 2201/062 (2013.01); C10M 2201/066 (2013.01); C10M 2217/046 (2013.01); C10N 2020/06 (2013.01); C10N 2030/06 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A super-lubricity water lubricating additive, wherein the super-lubricity water lubricating additive is of a hollow spherical shell structure, and the hollow spherical shell structure comprises at least one layer of spherical shell;
the spherical shell sequentially comprises a first polydopamine layer, a nanoparticle layer, a second polydopamine layer and an oxidized graphene layer from inside to outside, and nanoparticles of the nanoparticle layer are nano diamond, nano molybdenum disulfide or nano tungsten disulfide;
or the spherical shell sequentially comprises a first polydopamine layer, a nanoparticle layer, a second polydopamine layer, a graphene layer and a third polydopamine layer from inside to outside, and nanoparticles of the nanoparticle layer are nano diamond, nano molybdenum disulfide or nano tungsten disulfide.