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.

引用

页数：12

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