Compositions and methods for improved friction durability in...

C - Chemistry – Metallurgy – 10 – M

Patent

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C10M 129/16 (2006.01) C10M 141/02 (2006.01) C10M 141/06 (2006.01) C10M 145/36 (2006.01) C10M 161/00 (2006.01) C10M 163/00 (2006.01) C10M 165/00 (2006.01)

Patent

CA 2486365

The present invention discloses friction modifier compositions, methods for incorporating an alkoxylated alcohol component in power transmission fluids, and methods for measuring friction performance. These formulations and methods provide improved overall friction and improved friction durability, yielding effective fluids that are stable with age. Benefits in friction modification may also be achieved when the alkoxylated alcohol component is heated with an ashless dispersant prior to its incorporation into a transmission fluid.

La présente invention décrit des compositions de modificateur de frottement, les méthodes pour intégrer un composant alcool-alcoxylé dans les fluides de transmission de puissance, et des méthodes pour mesurer la performance des frottements. Ces formules et méthodes offrent une amélioration globale des frottements et une durabilité améliorée au frottement, en produisant des fluides efficaces qui deviennent stables avec le temps. Des avantages à la modification desfrottements peuvent aussi être obtenus lorsque le composant alcool-alcoxylé est chauffé avec un dispersant sans cendres avant son incorporation dans un fluide de transmission.

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