Additive composition for ep greases with excellent antiwear...

Details Additive composition for ep greases with excellent antiwear... Additive composition for ep greases with excellent antiwear...

C - Chemistry, Metallurgy

10

M

C10M 161/00 (2006.01) C10M 137/10 (2006.01) C10M 145/36 (2006.01)

Patent

CA 2706016

A lubricant composition is provided as follows: At least 90% of a base grease; (a) a thiadiazole poly(ether)glycol complex in an amount which provides about 1500 to 3500 ppm sulfur; (b) molybdenum dihydrocarbyldithiophosphate in amount which provides about 77 to 450 ppm molybdenum; and (c) zinc dihydrocarbyldithiophosphate in an amount which provides about 600 to 1000 ppm zinc. An additive composition for grease, consisting of components (a), (b) and (c), is also provided.

L'invention concerne une composition lubrifiante comprenant : au moins 90 % d'une graisse de base ; (a) un complexe thiadiazole poly(éther)glycol en une quantité qui fournit environ 1 500 à 3 500 ppm de soufre ; (b) du dihydrocarbyldithiophosphate de molybdène en une quantité qui fournit environ 77 à 450 ppm de molybdène ; et (c) du dihydrocarbyldithiophosphate de zinc en une quantité qui fournit environ 600 à 1 000 ppm de zinc. Une composition d'additifs pour graisse, constituée des composants (a), (b) et (c), est également proposée.

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