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Synthesis and evaluation of oil-soluble ionic liquids as multifunctional lubricant additives
Tribology International ( IF 6.2 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.triboint.2020.106446
Rui Ma , Qin Zhao , Enhui Zhang , Dongdong Zheng , Weimin Li , Xiaobo Wang

Abstract Two novel ionic liquids, (4(or 5)-methyl-benzotriazole-1-ylmethyl) -octadec-9-enyl-ammonium bis(2-ethylhexyl) phosphate and (4(or 5)-methyl-benzotriazole-1-ylmethyl)- dioctyl-ammonium bis(2-ethylhexyl) phosphate, were synthesized and evaluated as multi-functional additives in poly-alpha-olefin (PAO). Due to the existence of a long hydrocarbon chain in both anion and cation partials, these two ILs exhibit excellent solubility in various base oils. Corrosion and rust tests revealing that the addition of merely 0.1% ILs into PAO10 can effectively strengthen the anti-corrosion and anti-rust performance of base oil. Tribological results showed that these newly developed ILs can not only enhance the anti-wear performance but also improve the load-carrying capacity of the PAO10. Worn surface analyses revealed that a boundry lubrication film composed with FePO4 and nitrogen is formed, which is responsible for the outstanding tribological performance of the ILs.

中文翻译:

油溶性离子液体多功能润滑油添加剂的合成与评价

摘要 两种新型离子液体,(4(或5)-甲基-苯并三唑-1-基甲基)-十八碳-9-烯基-双(2-乙基己基)磷酸铵和(4(或5)-甲基-苯并三唑-1-合成并评估了基甲基)-二辛基铵双(2-乙基己基)磷酸酯作为聚α-烯烃 (PAO) 中的多功能添加剂。由于阴离子和阳离子部分中都存在长烃链,这两种离子液体在各种基础油中表现出优异的溶解性。腐蚀防锈试验表明,PAO10中仅加入0.1%的ILs即可有效增强基础油的防腐防锈性能。摩擦学结果表明,这些新开发的ILs不仅可以增强抗磨性能,还可以提高PAO10的承载能力。
更新日期:2020-11-01
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