Fuel additive compositions containing an aliphatic amine, a...

C - Chemistry – Metallurgy – 10 – L

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C10L 1/14 (2006.01) C10L 1/16 (2006.01) C10L 1/22 (2006.01) C10L 10/00 (2006.01)

Patent

CA 2165306

A fuel additive composition comprising: (a) a fuel-soluble aliphatic hydrocarbyl-substituted amine having at least one basic nitrogen atom wherein the hydrocarbyl group has a number average molecular weight of about 700 to 3,000; (b) a polyolefin polymer of a C2 to C6 monoolefin, wherein the polymer has a number average molecular weight of about 350 to 3,000; and (c) a hydrocarbyl-terminated poly(oxyalkylene) monool having an average molecular weight of about 500 to about 5,000, wherein the oxyalkylene group is a C2 to C5 oxyalkylene group and the hydrocarbyl group is a C1 to C30 hydrocarbyl group.

L'invention concerne une composition d'additif pour carburant comprenant a) une amine à substitution en hydrocarbyle aliphatique soluble dans du carburant possédant au moins un atome azote basique dans lequel le groupe hydrocarbyle présente un poids moléculaire moyen en nombre compris entre 700 et 3000; (b) un polymère polyoléfinique d'une mono-oléfine C¿2?-C¿6?, dans lequel le polymère présente un poids moléculaire moyen en nombre compris entre 350 et 3000; et (c) une mono-oléfine poly(oxyalkylène) à terminaison hydrocarbyle présentant un poids moléculaire moyen compris entre environ 500 et 5000, dans laquelle le groupe oxyalkylène est constitué d'un groupe oxyalkylène C¿2?-C¿5?, et le groupe hydrocarbyle est constitué d'un groupe hydrocarbyle C¿1?-C¿30?.

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