Preparation and use of aminoalkylphosphonic acid dialkyl ester compounds in a lubricant for antiwear and/or friction reduction

摘要

In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.