Fuel composition with improved lubricity performance

Details Fuel composition with improved lubricity performance Fuel composition with improved lubricity performance

C - Chemistry, Metallurgy

10

L

C10L 1/22 (2006.01) C10L 1/222 (2006.01) C10L 1/223 (2006.01) C10L 1/232 (2006.01) C10L 10/04 (2006.01)

Patent

CA 2350955

This invention provides a fuel composition having a sulphur content of not more than 50 ppm by weight and comprising at least 50 ppm based on the total weight of the fuel composition of at least one fused polycyclic aromatic compound which comprises at least one exocyclic group containing nitrogen wherein the nitrogen is attached directly to a ring carbon atom. Specific examples of such compounds include 1-amino naphthalene, 1,8- diaminonaphthalene, or 5-aminoindole, 2-(2-aminophenly)indole and 8- aminoquinoline. These compounds are capable of improving the antiwear and lubricity properties of a low sulphur fuel when compared with that of the same fuel in the absence of such compounds.

L'invention concerne une composition combustible dont le contenu en soufre ne dépasse pas 50 ppm en poids, 50 ppm de son poids total étant formé d'au moins un composé aromatique polycyclique fondu comprenant au moins un groupe exocyclique contenant de l'azote, l'azote étant directement attaché à un atome de carbone en anneau. Parmi les exemples spécifiques de ces composés se trouvent le 1-amino naphthalène, le 1,8-diaminonaphthalène, ou le 5-aminoindole, 2-(2-aminophényl)indole et le 8-aminoquinoline. Ces composés peuvent améliorer les propriétés antiusure et lubrifiantes d'un combustible pauvre en soufre par rapport au même combustible dépourvu de ces composés.

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