Abstract Researchers have tried to encapsulate various lubricants with kinds of inorganic shell materials forming lubricant microcapsules .In this work , halloysite nanotubes ( HNTs ) have been employed as nanocontainers for loading ionic liquid ( IL ) of 1 - butyl-3 - methylimidazolium hexafluorophosphate ( [ BMIm ] PF6 ) .Finally , the obtaine...