Totalenergies Onetech

Sonia Younesse

Goulven Bouvier

Florence Bredon

Hakim El-bahi

A lubricating composition includes at least one base oil, at least one borated dispersant, at least two antioxidants selected from amine antioxidants, phenolic antioxidants substituted with one or more linear or branched alkyl groups having from 1 to 30 carbon atoms, and mixtures thereof, and at least one phosphite polymer having the formula (I) wherein: —each of the R, R, Rand Rcan be independently selected from the C1-C20 alkyl, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers and Y—OH groups; —Y is selected from C2-C40 alkylene, C2-C40 alkyl lactone, —R—N(R)—R— groups, in which R, Rand Rare independently selected from hydrogen, C1-C20 alkyl, C3-C22 alkenyi, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers; —m is an integer from 2 to 100; —n is an integer from 1 to 1000.

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Solaize, France

Sonia Younesse