| 摘要 |
A composition comprising the reaction product of (A) at least one carboxylic acid acylating agent, (B) at least one amine characterized by the presence within its structure of at least one HN< group, and (C) at least one phosphorus-containing acid of the formula (I) wherein each X', X<2>, X<3> and X<4> is independently oxygen or sulfur, each m is zero or one, and each R' and R<2> is independently a hydrocarbyl group. Aqueous concentrates and water-based functional fluids comprising the foregoing composition are also disclosed. |
