Engine oils comprising lead corrosion-inhibitors

Details Engine oils comprising lead corrosion-inhibitors Engine oils comprising lead corrosion-inhibitors

C - Chemistry, Metallurgy

10

M

C10M 141/08 (2006.01) C10M 133/44 (2006.01) C10M 135/02 (2006.01) C10M 135/04 (2006.01) C10M 135/06 (2006.01) C10M 135/22 (2006.01) C10M 141/06 (2006.01) C10M 141/10 (2006.01) C10M 149/10 (2006.01)

Patent

CA 2494639

Formulated engine oils that comprise certain 1,2,4-triazole metal deactivators are especially non-aggressive towards lead engine parts such as bearings. The inclusion of certain 1,2,4-triazole compounds allows the co-use of corrosive additives such as sulfur-containing additives and vegetable oil-derived friction modifiers while at the same time meeting ASTM D 4485 specifications.

Des huiles pour moteur comprenant certains désactivateurs métalliques 1,2,4-triazole sont tout particulièrement non agressives envers les parties en plomb du moteur telles que les paliers. L'incorporation de certains composés 1,2,4-triazole permet d'utiliser conjointement des additifs corrosifs tels que des additifs contenant du soufre et des modificateurs de frottement à base d'huile végétale tout en respectant les critères de la norme ASTM D 4485.

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