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Brevet Année : 2023

Anticorrosion treatment solution and uses

Solution de traitement anticorrosion et utilisations

Jérôme Frayret
Mathieu Pourrillou
  • Fonction : Auteur
Sandra Zoccali
  • Fonction : Auteur
Arnaud Uhart
  • Fonction : Auteur

Résumé

The present invention relates to a solution that is free of chromium in all its oxidising states, comprising: - at least one chemical oxidising compound, - at least one aluminium complexing agent, - at least one corrosion inhibiting compound, and -optionally, a chemical sealant compound, the solution having a pH in the range from 1 to 5. The present invention also relates to a method for treating a metal surface, comprising the application, on the surface, of a solution as defined above. The present invention additionally relates to a coating of a metal surface that can be obtained by the method for treating a metal surface as defined above, to a metal surface comprising the coating and to the use of the solution in an anti-corrosion treatment of a metal surface.

Domaines

Chimie Matériaux
Fichier non déposé

Dates et versions

hal-04232690 , version 1 (09-10-2023)

Identifiants

  • HAL Id : hal-04232690 , version 1

Citer

Jérôme Frayret, Mathieu Pourrillou, Sandra Zoccali, Jean-Charles Dupin, Arnaud Uhart. Anticorrosion treatment solution and uses. United States, Patent n° : US20230193472. 2023. ⟨hal-04232690⟩
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