MULTIFUNCTIONAL AVIATION PETROL ADDITIVE (VERSIONS) Russian patent published in 2017 - IPC C10L1/04 C10L1/10 C10L1/14 C10L1/16 C10L1/183 C10L10/14 

FIELD: oil industry.

SUBSTANCE: invention discloses multifunctional additive to aircraft fuel including tetraethyllead, 1,2-dibromoethane and 2,6-di-tert-butyl-4-methylphenol, additive has crystallization point above minus 40 °C and contains hydrocarbon fraction with temperature of end boiling point not higher than 201 °C, pressure of saturated vapor at 38.7 °C is not more than 51 kPa, containing no less than 10 wt%. of aromatic and no more than 2 wt% of unsaturated hydrocarbons, in following proportions, wt%: tetraethyllead 5.0–50.0, 1,2-dibromoethane 3.0–30.0, 2,6-di-tert-butyl-4-methylphenol 0.1–1.0, hydrocarbon fraction up to 100. Multifunctional additive to aircraft fuel is also disclosed containing ethyl liquid TEL-B and hydrocarbon fraction with boiling end temperature not higher than 201 °C.

EFFECT: technical result consists in producing multifunctional additive with improved low-temperature properties and improving antiknock properties of aircraft fuel, when introduced into aircraft gasoline, as well as its chemical stability.

7 cl, 4 tbl