Detergents for lubricating oils containing a phosphor...

C - Chemistry – Metallurgy – 10 – M

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C10M 137/10 (2006.01) C10M 133/04 (2006.01) C10M 137/16 (2006.01)

Patent

CA 2044036

1 ABREGE DESCRIPTIF Détergent surbasé pour huiles lubrifiantes obtenu par carbonatation d'un mélange renfermant un détergent choisi parmi les sulfonates, naphténates, salicylates, phosphonates et thiophosphonates alcalins ou alcalinoterreux, un oxyde, hydroxyde ou alcoolate alcalin ou alcalinoterreux, un promoteur azoté et/ou oxygéné, au moins 3% poids de phosphore sous forme de dérivé organique non-métallique, un solvant hydrocarboné et éventuellement une huile diluante et de l'eau. Ces détergents renferment 0,5 à 10% et de préférence 1 à 5 poids de phosphore. Ils ont des propriétés antiusure et antioxydantes très améliorées.

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