Thiophosphates and thiophosphate derivatives as lubricant additives

摘要

The present invention provides thiophosphates and thiophosphate derivatives useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, and methods for making and using the same. In one aspect, the invention relates to a compound of formula (I):;
or a tribologically acceptable salt thereof.

主权项

1. A compound of formula (I) or a tribologically acceptable salt thereof, wherein A is: each R1 is the same or different and is independently selected from alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, aryl, and aralkyl, wherein said aryl and aralkyl are optionally substituted with one to three substituents each independently selected from alkyl and alkenyl; each R2 and R3 are independently selected from H, alkyl, alkenyl, cycloalkyl and cycloalkylalkyl; Y is selected from the group consisting of alkyl, alkoxyalkyl, benzyl, and —R4-R5-R6; R4 is alkylene; R5 is selected from the group consisting of a bond, alkylene; —C(O)— and —C(R7)—; R6 is selected from the group consisting of alkyl, hydroxyalkyl, hydroxyalkyleneoxy, hydroxy and alkoxy, R7 is hydroxy; m is an integer from 2 to 8; X1 is R8 or Z; X2 is selected from the group consisting of R8, R8 is alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, aryl, and aralkyl, wherein said aryl and aralkyl are optionally substituted with one to three substituents each independently selected from alkyl and alkenyl; and Z is wherein when X2 is R8, X1 is Z.