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首页> 外文期刊>Corrosion science >Painting rusted steel: The role of aluminum phosphosilicate
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Painting rusted steel: The role of aluminum phosphosilicate

机译：油漆生锈的钢：磷酸铝硅的作用

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摘要

Surface preparation is a key factor for the adequate performance of a paint system. The aim of this investigation is to employ a wash-primer to accomplish the chemical conversion of rusted surface when current cleaning operations are difficult to carry out The active component of the wash-primer was aluminum phosphosilicate whose electrochemical behavior and the composition of the generated protective layer, both, were studied by electrochemical techniques and scanning electron microscopy (SEM), respectively. Primed rusted steel panels were coated with an alkyd system to perform accelerated tests in the salt spray chamber and electrochemical impedance measurements (EIS). These tests were conducted in parallel with a chromate wash primer and the same alkyd system. Results showed that the wash-primer containing aluminum phosphosilicate could be used satisfactorily to paint rusted steel exhibiting a similar performance to the chromate primer.
机译：表面处理是确保涂料系统足够性能的关键因素。这项研究的目的是在难以执行当前清洁操作时，使用洗底漆完成生锈表面的化学转化。洗底漆的活性成分是磷酸铝硅酸盐，其电化学行为和所生成保护剂的组成分别通过电化学技术和扫描电子显微镜（SEM）研究了这两个层。涂有底漆的生锈钢板上涂有醇酸树脂系统，以在盐雾室和电化学阻抗测量（EIS）中进行加速测试。这些测试是与铬酸盐洗涤底漆和相同的醇酸体系同时进行的。结果表明，含有磷硅酸铝的洗底漆可以令人满意地用于油漆生锈的钢，表现出与铬酸盐底漆相似的性能。

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  • 来源
    《Corrosion science》 |2013年第9期|194-205|共12页
  • 作者

    S.N. Roselli; B. del Amo; R.O. Carbonari; A.R. Di Sarli; R. Romagnoli;

  • 作者单位

    CIDEPINT. Centra it Investigadon y Desarrollo en Tecnologla At Pinturas, Calle 52 e/121 y 122, 1900 La Plata, Argentina;

    CIDEPINT. Centra it Investigadon y Desarrollo en Tecnologla At Pinturas, Calle 52 e/121 y 122, 1900 La Plata, Argentina;

    CIDEPINT. Centra it Investigadon y Desarrollo en Tecnologla At Pinturas, Calle 52 e/121 y 122, 1900 La Plata, Argentina;

    CIDEPINT. Centra it Investigadon y Desarrollo en Tecnologla At Pinturas, Calle 52 e/121 y 122, 1900 La Plata, Argentina;

    CIDEPINT. Centra it Investigadon y Desarrollo en Tecnologla At Pinturas, Calle 52 e/121 y 122, 1900 La Plata, Argentina;

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  • 正文语种 eng
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  • 关键词

    A. Organic coatings; A. Steel; B. EIS; B.SEM; C.Rust; C. Paint coatings;

    机译：A.有机涂料;A.钢;B.EIS;扫描电镜脆皮;C.油漆涂料;

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