C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 141/10 (2006.01) C10M 141/08 (2006.01) C10M 169/04 (2006.01)
Patent
CA 2506061
A lubricating oil composition containing an oxidation inhibitor package, a rust inhibitor and metal deactivator is used in industrial fluids. The oxidation package contains alkylated diphenylamines, substituted hydrocarbyl monosulphides and optionally sterically hindered phenols. The rust inhibitor contains at least 1 of alkylated amine salts of alkylphosphoric acid, dialkyldithiophosphoric acid or hydrocarbyl aryl sulphonic acids. The metal deactivator is 5-methylbenzotriazole.
La présente invention se rapporte à une composition d'huile lubrifiante contenant un ensemble d'inhibiteurs d'oxydation, un agent antirouille et un désactivateur de métaux, qui est utilisée dans des fluides industriels. L'ensemble des inhibiteurs d'oxydation comprend des diphénylamines alkylés, des monosulfures d'hydrocarbyle substitués et éventuellement des phénols à encombrement stérique. L'agent antirouille contient au moins un des sels aminés alkylés de l'acide alkylphosphorique, de l'acide dialkyldithiophosphorique ou des acides sulfoniques d'hydrocarbyle aryle. Le désactivateur de métaux est du 5-méthylbenzotriazole.
Ridout & Maybee Llp
The Lubrizol Corporation
LandOfFree
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