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以咪唑、1,6-二溴代己烷和磷酸三乙酯合成1,6-二(3-乙基-1-咪唑基)己烷二乙基磷酸盐双离子液体,采用核磁共振谱仪(NMR)和傅立叶变换红外光谱仪(FTIR)等对其结构及理化性能进行了分析;用SRV摩擦磨损试验机考察了其作为钢/钢体系润滑剂的减摩抗磨作用;用SEM和XPS对磨痕表面的形貌和元素组成进行了表征,并分析了其润滑机制.结果表明,该类双离子液体具有较好的低温流动性,作为润滑剂对钢/钢摩擦副具有优异的减摩抗磨性能.XPS分析结果表明,该离子液体在钢磨损表面形成了含FePO4和Fe4(P2O7)3等物质的边界润滑膜,从而有效地提高了摩擦副的承载能力和抗磨损性能.
Synthesis of 1,6-bis (3-ethyl-1-imidazolyl) hexane diethyl phosphate bis-ionic liquid with imidazole, 1,6-dibromohexane and triethyl phosphate. (NMR) and Fourier transform infrared spectroscopy (FTIR) were used to analyze the structure and physical and chemical properties of the steel. The SRV friction and wear testing machine was used to study the friction and wear resistance of the steel / steel system lubricant. SEM and XPS The morphology and elemental composition of the wear scar surface were characterized and the lubrication mechanism was analyzed. The results show that the dual-ionic liquid has good low temperature fluidity and has excellent friction-reducing performance on steel / steel friction pair The results of XPS analysis show that the ionic liquid forms a boundary lubrication film containing FePO4 and Fe4 (P2O7) 3 on the steel wear surface, which effectively improves the bearing capacity and wear resistance of the friction pair.