Metallic substrate treatment methods and articles comprising a phosphonate functionalized layer are provided. The method comprises contacting a metallic substrate comprising at least one of aluminum and an aluminum alloy with a fluid to form a phosphonate functionalized layer on at least a region of the metallic substrate. The fluid comprises at least one of a phosphonate containing acid and a derivative thereof. At least one of the phosphonate containing acid and the derivative thereof comprises a pKa of a first acidic proton. The fluid comprises a pH at least 0.5 pH value greater than the pKa of the first acidic proton. The article comprises a metallic substrate comprising aluminum or an aluminum alloy and a phosphonate functionalized layer on at least a region of the metallic substrate.


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    Title :

    METALLIC SUBSTRATE TREATMENT METHODS AND ARTICLES COMPRISING A PHOSPHONATE FUNCTIONALIZED LAYER


    Additional title:

    VERFAHREN UND GEGENSTÄNDE ZUR BEHANDLUNG VON METALLISCHEN SUBSTRATEN MIT EINER PHOSPHONATFUNKTIONALISIERTEN SCHICHT
    PROCÉDÉS DE TRAITEMENT DE SUBSTRAT MÉTALLIQUE ET ARTICLES COMPRENANT UNE COUCHE FONCTIONNALISÉE PAR PHOSPHONATE


    Contributors:

    Publication date :

    2024-07-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / B60B VEHICLE WHEELS , Räder für Fahrzeuge / C23F Nichtmechanisches Entfernen metallischer Stoffe von Oberflächen , NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES



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