Ashless or reduced ash quaternary detergents

Details Ashless or reduced ash quaternary detergents Ashless or reduced ash quaternary detergents

C - Chemistry, Metallurgy

10

M

C10M 133/06 (2006.01) C10M 135/10 (2006.01) C10M 137/12 (2006.01) C10M 159/12 (2006.01) C10M 159/22 (2006.01) C10M 159/24 (2006.01)

Patent

CA 2754219

A composition of an oil-soluble ionic detergent that does not contribute metal ions to the composition, and which comprises a quaternary non-metallic pnictogen cation and an organic anion having at least one hydrocarbyl group of sufficient length to impart oil solubility to the detergent, the detergent having a total base number (TBN) to total acid number (TAN) ratio of at least 2:1 imparts ash-free basicity to a lubricant composition.

L'invention porte sur une composition d'un détergent ionique soluble dans l'huile qui n'apporte pas d'ions métalliques à la composition, et qui comprend un cation pnictogène non métallique quaternaire et un anion organique ayant au moins un groupe hydrocarbyle de longueur suffisante pour conférer une solubilité dans l'huile au détergent ; le détergent ayant un rapport indice de base totale (TBN) à indice d'acide total (TAN) d'au moins 2:1, confère une basicité sans cendre à une composition de lubrifiant.

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