The invention discloses a radial tire bead wire containing a surface coating.The radial tire bead wire is characterized in that the surface of the radial tire bead wire is plated with the coating, the coating comprises an inner layer and an outer layer, the outer layer is a copper-nickel-aluminum-zinc coating with the thickness being 0.04-0.06 micron, and the inner layer is a copper-nickel-zinc coating with the thickness being 0.05-0.08 micron; the content of copper in the copper-nickel-aluminum-zinc coating is 30-38 wt%, the content of nickel in the copper-nickel-aluminum-zinc coating is 21-28 wt%, the content of aluminum in the copper-nickel-aluminum-zinc coating is 5-12 wt%, the balance is zinc, the content of copper in the copper-nickel-zinc coating is 32-48 wt%, the content of nickel in the copper-nickel-zinc coating is 22-26 wt%, and the balance is zinc. The invention further discloses a preparation method of the radial tire bead wire containing the surface coating. According to the radial tire bead wire containing the surface coating, the number of coatings is reduced, the copper-nickel-aluminum-zinc coating is adopted as the outer layer, the bonding force is improved while the coating stripping risk is reduced, and the radial tire bead wire can be suitable for various kinds of rubber.

    一种含表面镀层的子午线轮胎胎圈钢丝,在子午线轮胎胎圈钢丝表面镀覆镀层,所述镀层含有内、外两层,其中外层为铜镍铝锌镀层,厚度为0.04‑0.06μm,内层为铜镍锌镀层,厚度为0.05‑0.08μm;所述铜镍铝锌镀层中铜的含量为30‑38wt%,镍的含量为21‑28wt%,铝的含量为5‑12wt%,余量为锌,所述铜镍锌镀层中铜的含量为32‑48wt%,镍的含量为22‑26wt%,余量为锌,本发明还公开了上述含表面镀层的子午线轮胎胎圈钢丝的制备方法。本发明公开的含表面镀层的子午线轮胎胎圈钢丝减少了镀层层数,外层采用铜镍铝锌镀层,降低镀层剥落风险的同时提高了粘结力,并且可适用于多种橡胶。


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    Titel :

    Radial tire bead wire containing surface coating and preparation method of radial tire bead wire


    Weitere Titelangaben:

    一种含表面镀层的子午线轮胎胎圈钢丝及其制备方法


    Beteiligte:
    HUANG XIAOYIN (Autor:in) / QIU HE (Autor:in)

    Erscheinungsdatum :

    2021-06-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    C25D Verfahren für die elektrolytische oder elektrophoretische Herstellung von Überzügen , PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS / B60C VEHICLE TYRES , Fahrzeugreifen / C22C Legierungen , ALLOYS



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