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    • 1. 发明公开
    • TREATMENT SOLUTION FOR CHEMICAL CONVERSION OF METAL MATERIAL AND METHOD FOR TREATMENT
    • BEARBEITUNGSLÖSUNGZUR CHEMISCHEN UMWANDLUNG EINES METALLMATERIALS SOWIE BEARBEITUNGSVERFAHRENDAFÜR
    • EP2343399A1
    • 2011-07-13
    • EP09823246.5
    • 2009-10-14
    • Henkel AG & Co. KGaA
    • ISHII, Hitoshi
    • C23C22/13C23C22/36
    • C23C22/368C23C22/362C23C22/78
    • [Problems]
      To provide a zinc phosphate chemical conversion treatment liquid capable of forming a coating capable of satisfying coating performances and reducing the amount of generated sludge.
      [Means for solving]
      A chemical conversion treatment liquid for a metallic material, which is an aqueous solution at pH 3.6 to 4.4 containing 500 to 4,000 ppm of phosphate ions and 300 to 1,200 ppm of zinc ions, as a treatment liquid for depositing a zinc phosphate coating over the metallic material through chemical conversion treatment, wherein coefficient K (K = 10 x × P 2 × Z 3 /10 18 ) as calculated from phosphate ion concentration: P (ppm), zinc ion concentration: Z (ppm) and pH: X is in the range of 1 to 50.
    • [问题]提供能够形成能够满足涂布性能并减少生成污泥量的涂层的磷酸锌化学转化处理液。 [解决方案]作为用于沉积锌的处理液,作为含有500〜4000ppm磷酸根离子和300〜1,200ppm锌离子的pH6.3〜4.4的水溶液的金属材料用化学转化处理液 通过化学转化处理在金属材料上形成磷酸盐涂层,其中由磷酸根离子浓度:P(ppm),锌离子浓度:Z(ppm)和锌离子浓度计算得到的系数K(K = 10××P 2×Z 3/10 18) pH:X在1〜50的范围内。