Amino acid-based ionic liquids as water-ethylene glycol additives towards superior lubricity and corrosion resistance

被引：0
|
作者：
Sun, Xuemin [1 ,3 ]
Liu, Xiao [1 ]
Chen, Qiang [1 ]
Guo, Pingxia [1 ]
Bai, Yanyan [1 ,2 ]
Zou, Kun [1 ]
Yi, Ming [1 ]
Yang, Shuyan [1 ,3 ]
Cai, Meirong [1 ]
Zhou, Feng [2 ]
Liu, Weimin [1 ,2 ]
机构：
[1] Shandong Lab Adv Mat & Green Mfg Yantai, Yantai 264006, Peoples R China
[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Gansu, Peoples R China
[3] Qingdao Univ Technol, Sch Mech & Automot Engn, Lab Tribol & Surface Engn, Qingdao 266520, Shandong, Peoples R China
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2024年 / 401卷
基金：
中国国家自然科学基金;
关键词：
Protic ionic liquids; Lubricant additives; Friction reduction and anti -wear; Anti; -corrosion; MILD-STEEL; LUBRICANTS; INHIBITOR; FRICTION;
D O I：
10.1016/j.molliq.2024.124706
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Two novel amino acid-based ionic liquids (AAILs) were synthesized and their tribological properties as waterethylene glycol (W-EG) lubricant additives were investigated. The addition of 1 wt% of both AAILs to W-EG can significantly enhance the anti-corrosion, friction-reducing and anti-wear properties of the lubricants. Compared to W-EG, the coefficient of friction and wear volume are reduced by about 50% and 75%, respectively. The physical adsorption film and the tribochemical reaction film derived from AAILs collectively establish a protective barrier at the friction interface, endowing the lubricants with superior lubricity and load-carrying capacity. These two sulfur-free and halogen-free AAILs are promising for application in metal working fluids and hydraulic fluids.
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页数：12
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