GEARBOX OIL Russian patent published in 2014 - IPC C10M107/00 C10M129/16 C10M133/52 C10M135/20 C10M137/14 

FIELD: chemistry.

SUBSTANCE: gearbox oil contains petroleum oil, a fatty acid ester, a dithiophosphate additive, polymethylsiloxane liquid, wherein the oil further contains di-tert-dodecyl trisulphide, polymethacrylate and a nitrogen-containing copolymer, and the dithiophosphate additive used is zinc alkyl dithiophosphate, with the following ratio of components, wt %: di-tert-dodecyl trisulphide 1.4-2.2; zinc alkyl dithiophosphate 0.7-0.9; fatty acid ester 0.07-0.1; polymethacrylate 0.1-0.3; nitrogen-containing copolymer 0.03-0.04; polymethylsiloxane liquid 0.003-0.005; petroleum oil - up to 100.0.

EFFECT: obtaining gearbox oil having improved anti-wear, low-temperature and demulsification properties.

5 ex, 3 tbl