A composition including an ionic liquid alkylammonium salt (e.g., tetraalkylammonium cation and bis(2-ethylhexyl) phosphate anion), or an ionic liquid imidazolium salt (e.g., 1,3-dialkylimidazolium cation and bis(2-ethylhexyl) phosphate anion), that have a structure sufficient to exhibit at least partial solubility in one or more Group I-V base stocks. The disclosure also relates to a lubricating oil base stock and lubricating oil containing the composition, a multifunctional functional fluid containing the composition, and a method for improving solubility of an ionic liquid in a lubricating oil by using as the lubricating oil a formulated oil including a lubricating oil base stock as a major component, and an ionic liquid alkylammonium salt cobase stock, or an ionic liquid imidazolium salt cobase stock, as a minor component.
本发明涉及一种组合物,包括
离子液体烷基
铵盐(例如,四烷基
铵阳离子和双(2-乙基己基)
磷酸根阴离子),或
离子液体咪唑盐(例如,1,3-双烷基
咪唑阳离子和双(2-乙基己基)
磷酸根阴离子),其结构足以在一种或多种I-V族基础油中至少部分溶解。本公开还涉及一种润滑油基础油和含有该组合物的润滑油,一种含有该组合物的多功能功能流体,以及一种通过使用配制油作为主要成分的润滑油基础油和
离子液体烷基
铵盐共基础油或
离子液体咪唑盐共基础油作为次要成分来提高
离子液体在润滑油中的溶解度的方法。