LUBRICANT COMPOSITION FOR TRANSMISSIONS Russian patent published in 2017 - IPC C10M161/00 C10N30/06 C10N40/04 

FIELD: chemistry.

SUBSTANCE: present invention relates to a lubricant composition, containing with respect to total weight of lubricant composition: at least 50 wt% of one or more base oils, from 0.1 to 10 wt% of at least one dimercaptothiadiazole derivative, from 1 to 20 wt% of at least one ethylene and alpha-olefin copolymer and from 0.2 to 10 wt% of at least one amine thiophosphate of general formula (IVa), where X₁ and X₂ are independently from each other, a sulphur atom or an oxygen atom, at least one of them is a sulphur atom, R₁ and R₂ represent or a hydrogen atom, or alkyl group having from 1 to 22 carbon atoms, M represents an ammonium formed from primary, secondary or tertiary amine, having formula R₃R₄R₅R₆N, where R₃, R₄, R₅, R₆ represent either a hydrogen atom, or an alkyl group, including from 1 to 18 carbon atoms, and then n = 1. Present invention relates to application of lubricant (versions).

EFFECT: obtaining a lubricant composition having low coefficient of friction.

16 cl, 1 tbl