Ionic liquids gels with in situ modified multiwall carbon nanotubes towards high-performance lubricants

被引：37
|
作者：
Fan, Xiaoqiang [1 ,2 ]
Wang, Liping [2 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2015年 / 88卷
基金：
中国国家自然科学基金;
关键词：
Carbon nanotubes; Ionic liquids; Modification; Tribology; FUNCTIONALIZATION; TEMPERATURE; TETRAFLUOROBORATE; DISPERSION; GRAPHENE; SOLVENTS;
D O I：
10.1016/j.triboint.2015.03.026
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Two ionic liquids (ILs) gels were prepared by grinding multiwall carbon nanotubes (MWCNTs) in two kinds of ILs, and their physical and tribological properties were investigated in detail. Results demonstrate that ILs gels possess high conductivity and excellent tribological performance which mainly depends on the synergy of ILs and MWCNTs with their respective outstanding characteristics. Ifs modified MWCNTs through van der Waals and pi-pi stacting interactions significantly improve the dispersibility and compatibility with lubricants, which greatly enhances the conductivity and tribological properties of the lubricants. The friction mechanism for the ILs gels is attributed to the synergetic lubrication of ILs and MWCNTs. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：179 / 188
页数：10
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