| Influence of hydroxyl group functionalization and alkyl chain length on physicochemical and antiwear properties of hexafluorophosphate imidazolium ionic liquids | |
| Department | 固体润滑国家重点实验室 |
Xia YQ(夏延秋)1 ; Wang, Zhihong2; Song YX(宋言新)1,3; Xia YQ(夏延秋)
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| 2014 | |
| Source Publication | Industrial Lubrication and Tribology
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| ISSN | 0036-8792 |
| Volume | 66Issue:3Pages:443-451 |
| Abstract | Purpose – The aim of the present paper is that three long-chain hydroxyethyl alkylimidazolium hexafluorophosphate ionic liquids (ILs) were synthesized and evaluated as lubricants for steel-steel contacts at room temperature and boundary lubrication conditions. Hydroxyethyl functional group and alkyl chain length effect on the physicochemical and fretting tribological behaviors of the ILs was comparatively investigated, as compared to traditional dialkylimidazolium ILs. Design/methodology/approach – The fretting friction and wear tests were carried out using an Optimol SRV-IV oscillating reciprocating friction and wear tester. The worn surface was observed and analyzed by scanning electron microscope and X-ray photoelectron spectroscopy. The electrochemical corrosion behavior of copper disks in selected imidazolium-based ionic liquids was studied using a CHI660B electrochemical workstation. Findings – This can be seen by comparing the results for the non-hydroxyl ILs and hydroxyl ILs that the latter exhibited the littler friction coefficient, the smaller wear volume, although the latter electrochemical corrosion behavior of copper disks is slightly higher than the former. The results also revealed that the ILs with a longer alkyl chain displayed larger viscosities, better anti-corrosion capacities, higher hydrophobic properties and more excellent friction-reducing and anti-wear performance than those with a shorter alkyl chain. Originality/value – This work might offer new knowledge in the design and application of new ILs as lubricants; it also confirms some in-depth physicochemical questions, e.g. the function mechanism, the correlations between structure and performance. Additionally, a proposed interaction model between the ILs and the friction substrate has been given. |
| Keyword | Tribological Properties Hydroxyethyl Alkylimidazolium Hexafluorophosphate Ionic Liquids Physicochemical Characterization Steel/steel |
| Subject Area | 材料科学与物理化学 |
| DOI | 10.1108/ilt-11-2011-0089 |
| Funding Organization | "Hundred Talents Program" of Chinese Academy of Sciences;"973" Program (2007CB607606) |
| Indexed By | SCI |
| If | 0.444 |
| Language | 英语 |
| Funding Project | 空间润滑材料组 |
| compositor | 第一作者单位 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.licp.cn/handle/362003/20261 |
| Collection | 固体润滑国家重点实验室（LSL） |
| Corresponding Author | Xia YQ(夏延秋) |
| Affiliation | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China 2.Shandong Vocat Anim Sci & Vet Coll, Weifang, Peoples R China 3.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China |
| Recommended Citation GB/T 7714 | Xia YQ,Wang, Zhihong,Song YX,et al. Influence of hydroxyl group functionalization and alkyl chain length on physicochemical and antiwear properties of hexafluorophosphate imidazolium ionic liquids[J]. Industrial Lubrication and Tribology,2014,66(3):443-451. |
| APA | Xia YQ,Wang, Zhihong,Song YX,&夏延秋.(2014).Influence of hydroxyl group functionalization and alkyl chain length on physicochemical and antiwear properties of hexafluorophosphate imidazolium ionic liquids.Industrial Lubrication and Tribology,66(3),443-451. |
| MLA | Xia YQ,et al."Influence of hydroxyl group functionalization and alkyl chain length on physicochemical and antiwear properties of hexafluorophosphate imidazolium ionic liquids".Industrial Lubrication and Tribology 66.3(2014):443-451. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| LZ01029238.pdf（10359KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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