C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 133/04 (2006.01) C10M 133/16 (2006.01)
Patent
CA 2552671
Disclosed is a lubricating oil additive with excellent cleaning performance which does not include a metal component such as calcium or magnesium. Also disclosed is a lubricating oil composition containing such a lubricating oil additive. The lubricating oil additive is characterized by containing a quaternary ammonium salt having a base number of at least 10 mgKOH/g. Examples of such a quaternary ammonium salt include quaternary ammonium salts obtained through salt-exchange of counter anions contained in cationic surfactants such as tetraalkylammonium chloride and tetraalkylammonium sulfate.
Est décrit un additif pour huile lubrifiante ayant une excellente capacité de nettoyage sans composant métallique tel que le calcium ou le magnésium. Est également décrite une composition pour huile lubrifiante contenant ce type d~additif pour huile lubrifiante. L~additif pour huile lubrifiante est caractérisé par le fait qu~il contient un sel d~ammonium quaternaire ayant un indice d~alcalinité d~au moins 10 mgKOH/g. Les exemples de ce type de sel d~ammonium quaternaire comprennent les sels d~ammonium quaternaire obtenus par échange de sels des contre-anions contenus dans les tensioactifs cationiques tels que le chlorure de tétraalkylammonium et le sulfate de tétraalkylammonium.
Adeka Corporation
Marks & Clerk
LandOfFree
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