FIELD: cooling liquids. SUBSTANCE: liquid has fluoro-containing hydrocarbon C1-C2 and effective lubricant quantity that is an ester of polyhydroxy-compound of the formula R[OC(O)R1]n where R unsaturated hydrocarbon; every R1 independently each of other hydrogen, lower linear alkyl, branched alkyl C8-C22, linear C4-C20-alkyl or alkyl substituted with carboxy or ester group at condition that at least one R1 is hydrogen, lower linear alkyl, branched C4-C20-alkyl or alkyl substituted with carboxy or ester group; n 2-10. Synthesized compounds were used in compressor type equipment. EFFECT: improved method of synthesis. 9 cl, 3 tbl
