Effect of hydroxyl functionalized ionic liquid additives on rheological and tribological properties of titanium complex grease

被引：7
|
作者：
Liu, Ningbo [1 ,2 ]
Che, Qinglun [2 ]
Li, Yi [1 ,3 ]
Hu, Litian [1 ]
Zhang, Jianjun [2 ]
Zhang, Songwei [1 ,3 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Qingdao Univ Technol, Sch Mech & Automot Engn, Qingdao 266033, Peoples R China
[3] Qingdao Ctr Resource Chem & New Mat, Qingdao 266071, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2024年 / 193卷
基金：
中国国家自然科学基金;
关键词：
Hydroxyl functionalized ionic liquids; Titanium complex grease; Rheology property; Tribology; PERFORMANCE; LUBRICANTS; SALTS;
D O I：
10.1016/j.triboint.2024.109416
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this work, two kinds of hydroxyl functionalized ionic liquids (ILs) 1-butyl-3-methylimidazole salicylate [BMIM][SA] and 1-butyl-3-methylimidazole caffeate [BMIM][CA] were synthesized as additives for titanium complex grease (TCG). Two ILs can effectively improve the physicochemical properties of TCG. Among them, [BMIM][CA] significantly improves the yield stress of TCG and improved its ability to resist deformation. Tribological tests showed that both ILs improved the friction reduction and antiwear properties. And [BMIM] [CA] containing two adjacent phenolic hydroxyl group performed the best. This may be because it can effectively participate in tribochemical reactions, forming a large number of organic tribochemical products, which play a key role in promoting lubrication.
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收藏
页数：13
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