| abstract |
The present invention provides compounds of formula (I): wherein W is independently selected from the group consisting of H, F, Cl, Br and I;10 X is independently selected from the group consisting of H, F, Cl, Br, I, CW 3 and OR on the basis that at least one X is OR; R is independently selected from the group consisting of C(O)(CH 2 ) m (CF 2 ) n Y and CW 2 C(CW 2 OC(O)(CH 2 )m(CF 2 )nY) 3 ; m is an integer from 0 to 2;15 n is an integer from 2 to 8; Y is C(Z) 3 ; and Z is independently selected from the group consisting of H, F, Cl, Br and I. Such compounds may be utilised as lubricants, for example in heat transfer compositions. |