Power transmission fluids with enhanced extreme pressure and...

Details Power transmission fluids with enhanced extreme pressure and... Power transmission fluids with enhanced extreme pressure and...

C - Chemistry, Metallurgy

10

M

C10M 135/36 (2006.01) B01D 46/52 (2006.01) C10M 135/06 (2006.01)

Patent

CA 2507461

A fluid composition is described for extreme pressure applications. The fluid composition includes a base oil, and an additive composition comprising sulfurized fatty oil in an amount sufficient to provide at least about 1,000 ppm sulfur to the fluid composition, and dialkyl thiadiazole in an amount sufficient to provide at least about 500 ppm sulfur to the fluid composition. Fluids containing these respective amounts of sulfurized fatty oil and dialkyl thiadiazole exhibit failure loads which equal or exceed about 1750 pounds at 100°C and 150°C, respectively, as measured according to a Falex EP test of ASTM D-3233.

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