abstract |
There are disclosed compounds of formula I <IMAGE> (I) R1 and R2 are each independently of the other C3-C18alkyl, C5-C12cycloalkyl, C5-C6cycloalkylmethyl, C9-C10bicycloalkylmethyl, C9-C10tricycloalkylmethyl, phenyl, C7-C6alkylphenyl or, taken together, are <IMAGE> R3 is hydrogen or methyl, A is <IMAGE> CH2R5 or CH2[CH(OH)]mCH2OH, R4 is hydrogen or C1-C6alkyl, and R5 is a 5- or 6-membered saturated heterocyclic ring, R6 is hydrogen or methyl, n is an integer from 1 to 11 and m is an integer from 0 to 4. These compounds are particularly suitable for use as additives for lubricant compositions, hydraulic fluids and machining fluids. |