HYDROCARBON FUEL ADDITIVE Russian patent published in 2005 - IPC

FIELD: petroleum processing and petrochemistry.

SUBSTANCE: additive improving lubricating properties of hydrocarbon fuels, in particular diesel fuels, contains: 90-99% of monocarboxylic acid aminoalkyl ester of general formula R-CO-O-C₂H₄-NR₁R₂, wherein R represents isoparaffinic, olefinic, or alkylcycloparaffinic hydrocarbon radical containing 10-30 carbon atoms, R₁ and R₂ represent hydrogen atom, methyl, ethyl, hydroxyethyl, or group -C₂H₄O(O)-C-R; 0.5-19.5% of esteramide of monocarboxylic acid and alkylolamine of general formula R-CO-N(R₁)C₂H₄O-CO-R, wherein R is as above and R₁ hydrogen atom, hydroxyethyl, or group -C₂H₄O(O)-C-R; 0.5-2% of amide of monocarboxylic acid and alkylolamine of general formula R-CO-NR₁R₂, wherein R is as above, R₁ hydrogen atom, R-CO-, or -C₂H₄OH, and R₁ hydrogen atom or -C₂H₄OH.

EFFECT: enabled production of environmentally safe low-sulfur fuel exhibiting high antiwear properties.

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