High temperature biobased lubricant compositions comprising...

C - Chemistry – Metallurgy – 10 – M

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C10M 169/04 (2006.01)

Patent

CA 2609652

This present invention discloses a method for the preparation of an improved high temperature engine lubricant composition comprising the steps of: 1) providing at least one biobased natural oil or biobased synthetic oil selected from the group consisting of natural or synthetic vegetable oil, natural or synthetic animal oil, genetically modified vegetable oil, genetically modified synthetic vegetable oil, natural or synthetic tree oil, and mixtures thereof; 2) providing at least one boron nitride; and 3) optionally, providing at least one base oil selected from the group consisting of a synthetic ester, solvent refined petroleum oil, a hydrocracked petroleum white oil, an all hydroprocessed synthetic oil, Fischer Tropsch oil, petroleum oil group I, group II, group III, a polyalphaolefin (PAO), and mixtures thereof; 4) optionally, providing at least one additive or combination of additives selected from the group consisting of anti-oxidant(s), corrosion inhibitor(s), metal deactivator(s), viscosity modifier(s), anti-wear inhibitor(s), friction modifier(s), and extreme pressure agent(s); 5) blending 1), 2), 3), and 4) in any sequence to form said composition.

La présente invention décrit un procédé pour la préparation d~une composition de lubrifiant pour moteur amélioré aux températures élevées comprenant les étapes de: 1) procurer au moins une huile naturelle bio ou une huile synthétique bio choisie parmi le groupe composé d~une huile végétale naturelle ou synthétique, d~une huile animale naturelle ou synthétique, d~une huile végétale génétiquement modifiée, d~une huile végétale synthétique génétiquement modifiée, d~une huile d~arbre naturelle ou synthétique, et de leurs mélanges; 2) procurer au moins un nitrure de bore; et 3) procurer de façon facultative au moins une huile base choisie parmi le groupe composé d~un ester synthétique, d~une huile de pétrole raffinée par un solvant, d~une huile blanche de pétrole hydrocraquée, et de toutes les huiles synthétiques hydrotraitées, d~huile de Fischer-Tropsch, d~huile de pétrole du groupe I, du groupe II, du groupe III, d~une polyalphaoléfine (PAO), et leurs mélanges ; 4) de façon facultative, procurer au moins un additif ou combinaison d~additifs choisis parmi le groupe composé d~antioxydant(s), d~inhibiteur(s) de corrosion, de désactivateur(s) de métaux, de modificateur(s) de viscosité, d~inhibiteur(s) anti-usure, de modificateur(s) de frottement, d~agent(s) de pression extrême ; 5) mélange de 1), 2), 3), et 4) dans selon n~importe quelle séquence pour former ladite composition.

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