Method of enhancing the low temperature solution properties...

C - Chemistry – Metallurgy – 10 – L

Patent

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C10L 1/18 (2006.01) C10L 1/22 (2006.01) C10L 10/00 (2006.01) C10L 10/04 (2006.01)

Patent

CA 2421022

A fuel additive composition composed of the reaction product of (a) mixed fatty acid esters: (b) a mono or di-(hydroxy alkyl amine) or mixtures thereof; and (c) a low temperature property enhancing effective amount of a low molecular weight ester, wherein the reaction mixture has a molar ratio of amine to total ester content in the range from 10.0 to 1Ø The fuel additive exhibits detergent and friction reducing properties when added to a fuel thereto and further exhibits good low temperature stability properties. Methods for making the inventive composition and fuel compositions containing the additive are also disclosed.

La présente invention concerne une composition d'additif pour carburant se composant d'un produit de réaction entre (a) des esters d'acides gras mélangés, (b) d'un mono- ou di-(hydroxy-alkyle-amine), ou de l'un de leurs mélanges, et (c) d'un ester de masse moléculaire faible en quantité suffisante pour renforcer les qualités à basse température. En l'occurrence, le rapport molaire amine sur ester total du mélange de réaction se situe dans une plage allant de 10,0 à 1,0. Cet additif pour carburant fait preuve d'une action détergente et d'atténuation des frictions lorsqu'il est ajouté à un carburant à cet effet, tout en présentant également de bonnes qualités de stabilité aux basses températures. L'invention concerne également des procédés d'élaboration de la composition de l'invention, ainsi que des compositions de carburant contenant cet additif.

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