LUBRICATING COMPOSITION FOR UNIVERSAL SYNTHETIC OIL, CAPABLE OF OPERATING IN GAS-TURBINE ENGINES AND HELICOPTER GEAR ASSEMBLIES, AS WELL AS TURBINE-PROPELLER ENGINES AND TURBINE-PROPELLER-FAN MOTORS OF AIRPLANES Russian patent published in 2012 - IPC C10M141/10 C10M137/04 C10M129/70 C10M133/12 C10M169/04 C10N30/08 C10N30/10 C10N30/12 

FIELD: chemistry.

SUBSTANCE: lubricating composition for universal synthetic oil, capable of operating in gas-turbine engines and turbine-propeller engines contains a base in form of aviation pentaerythritol ether based on a mixture of full esters of pentaerythritol and fatty carboxylic acids and ether of pentaerythritol dimer, an alkylphenylamine anti-oxidation additive of the Irganox type - bis(4-(1,1,3,3-tetramethylbutyl)phenyl)amine or dioctyl diphenylamine, a high-molecular weight alkylphenol anti-oxidation additive of the Irganox L101 type, an anti-wear additive based on a mixture of tricresyl phosphate and dithiophosphate Irgalube 353 in ratio 3:1, a corrosion inhibitor - mixture of 1,2,3-benzotriazole and a tolyltriazole derivative Irgamet 39 in ratio 1:10.

EFFECT: high thermal stability, high thermo-oxidative stability and improved anti-corrosion properties under high temperature conditions.

1 cl, 3 tbl