| abstract |
(57) [Summary] (Modified) [PROBLEMS] To provide a composition containing an organic phosphorus-containing salt and a thiocarbamate, which is useful in imparting high wear resistance to a lubricant and a functional fluid (particularly, an engine lubricating oil). provide. A composition containing the following (A) and (B): (A) a metal salt, amine salt or ammonium salt of a compound represented by the following formula: Where X 1 , X 2 , X 3 and X 4 are O or S, X 1 and X 2 can be NR 3 , a and b are 0 or 1 and R 1 , R 2 and R 3 are hydrocarbyl groups, and R 3 can be hydrogen; and (B) a thiocarbamate compound represented by the formula: Wherein R 1 , R 2 , R 3 and R 4 are hydrogen or a hydrocarbyl group; X is O or S; a is 1 or 2; and Z is an activating group, hydrocarbyl Base, Hetero group, hydroxyhydrocarbyl group, or -SC It is a (X) -NR 1 R 2 group. |