| abstract |
(57) [Abstract] [PROBLEMS] To provide a liquid composition useful for a cooling system, particularly one using a fluorine-containing hydrocarbon that is harmless to the environment. [Structure] (A) a predetermined fluorine-containing hydrocarbon, (B) an additive that improves efficiency or reduces wear, and is a fatty amine; a fatty amide; a fatty carboxylic acylating agent and a polyamine, A reaction product with an amine selected from the group consisting of hydroxyamines and mixtures thereof; and an additive selected from the group consisting of mixtures thereof, and (C) A liquid composition containing an effective amount of a lubricant selected from the group consisting of carboxylic acid esters, polyalkylene glycols, polycarbonates, and mixtures thereof. |