摘要 |
Use as lubricants, especially for traction drives, of organophosphate esters of the general formula I:- (R<1>O)2- @-(OR<2>) I wherein each group R<1> individually represents a saturated alicyclic group, preferably cyclohexyl, optionally substituted by one or more alkyl, especially methyl groups, and R<2> represents R<1> or an alkyl or aryl group. |