| abstract |
FIELD: transportation. ^ SUBSTANCE: proposed lubricating oil composition comprises the lubricating oil base and primary amine, containing tertiary C8-C20-alkyl group, represented by a common formula (I), i.e. , where x is an integer varying from 1 to 17, y is an integer varying from 1 to 17, z is an integer varying from 1 to 17 and x+y+z is an integer varying from 1 to 19. The proposed composition boasts kinematic viscosity of 18 to 60 mm2/s at 40C, viscosity index varying from 130 to 150 and density varying from 0.80 to 0.84 g.s-3 at 15C. The proposed composition is intended for hydraulic systems, transmissions, compressors, turbines and/or bearings. ^ EFFECT: higher thermal oxidation stability, reduced friction and inflammability, power savings. ^ 12 cl, 7 tbl, 18 ex |