COMPRESSOR OIL Russian patent published in 2014 - IPC C10M169/00 C10M111/04 C10M141/10 C10N30/06 

FIELD: chemistry.

SUBSTANCE: invention relates to compressor oil, which contains basic petroleum oil and polymethylsiloxane, and it additionally contains 4,4'-dinonyldiphenylamine, pentaerythritol ether 3,5-di-tert-bytul-4-hydroxyphenylpropionic acid, 1,2,3-benzotriazole, ester of dialkyldithiophosphoric acid and a mixture of complex amines, and as basic oil it contains a hydrogenated residual component with content of aromatic hydrocarbons 19.0-22.0%, with the following component ratio, wt %: 4,4'-dinonyldiphenylamine 0.95-1.0; pentaerythritol ether of 3,5-di-tert-bytul-4-hydroxyphenyl propionic acid 0.55-0.65; 1,2,3-benzotriazole 0.045-0.055; ester of dialkyldithiophosphoric acid 0.055-0.065; mixture of aliphatic and aromatic amines 0.055-0.065; polymethylsiloxane 0.004-0.005; basic oil - hydrogenated residual component to 100.

EFFECT: elaboration of a composition of compressor oil, which works under especially hard conditions.

4 tbl, 8 ex