Impregnation liquid, method of treatment with such an impregnation liquid, and treated part obtained
AssigneeHydromecanique Et Frottement
InventorsMarie-Noëlle DESBOUCHE-JANNY, Luc HERRMANN
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Abstract
An impregnation liquid comprises diacetone alcohol, in a proportion of between 20 wt. % and 50 wt. %, glycerol trioleate, in a proportion of between 20 wt. % and 50 wt. %, castor oil, in a proportion of between 10 wt. % and 40 wt. %, acetone, in a proportion of between 3 wt. % and 5 wt. %, and at least one sulfonate, in a proportion of between 0 wt. % and 1.5 wt. %. A method for surface treatment of a ferrous part includes an impregnation step by such an impregnation liquid, and the treated part obtained.
Claims21
-16. (canceled)
An impregnation liquid, comprising:
- diacetone alcohol, in a proportion of between 20 wt. % and 50 wt. %,
- glycerol trioleate, in a proportion of between 20 wt. % and 50 wt. %,
- castor oil, in a proportion of between 10 wt. % and 40 wt. %,
- acetone, in a proportion of between 3 wt. % and 5 wt. %, and
- at least one sulfonate, in a proportion of between 0 wt. % and 1.5 wt. %.
A method for surface treatment of a ferrous part, comprising impregnating the ferrous part with an impregnation liquid comprising:
- diacetone alcohol, in a proportion of between 20 wt. % and 50 wt. %,
- glycerol trioleate, in a proportion of between 20 wt. % and 50 wt. %,
- castor oil, in a proportion of between 10 wt. % and 40 wt. %,
- acetone, in a proportion of between 3 wt. % and 5 wt. %, and
- at least one sulfonate, in a proportion of between 0 wt. % and 1.5 wt. %.
Dependencies are inferred from the claim text.