Modified friction control compositions

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 173/02 (2006.01)

Patent

CA 2576215

The present invention provides a water based friction control composition comprising a binder a rheological control agent, and optionally a lubricant. The liquid friction control composition may also comprise other components such as a wetting agent, a consistency modifier, and a preservative. The liquid friction control compositions may be used to modify the interfacial friction characteristics in sliding and rolling-sliding contact such as steel wheel-rail systems including mass transit and freight systems. A method of reducing lateral force, reducing energy consumption, or controlling friction between a metal surface and a second metal surface by applying the composition to metal surface, for example a top of rail or wheel, is also provided. The composition may be sprayed onto the rail surface.

La présente invention porte sur une composition de contrôle de friction à base d~eau comprenant un liant, un agent de contrôle rhéologique et éventuellement un lubrifiant. La composition de contrôle de friction liquide peut également comprendre d~autres composants comme un agent humectant, un modifiant de consistance et un conservateur. La composition de contrôle de friction liquide peut s~utiliser pour modifier les caractéristiques de friction interfaciale en contact de glissement et de roulement-glissement comme dans les systèmes de rail avec roues d~acier englobant le transit de masse et les systèmes de fret. Un procédé de réduction de force latérale, de réduction de la consommation d~énergie ou de contrôle de la friction entre une surface métallique et une seconde surface métallique en appliquant la composition à une surface métallique, par exemple un sommet de rail ou de roue, est également divulgué. La composition peut être pulvérisée à la surface du rail.

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