公开(公告)号：US20050221108A1

公开(公告)日：2005-10-06

申请号：US10515944

申请日：2003-06-27

申请人： Kazuhiko Higai ,  Tomoyuki Shimizu ,  Kazuaki Kyouno

发明人： Kazuhiko Higai ,  Tomoyuki Shimizu ,  Kazuaki Kyouno

IPC分类号： B05D7/00 ,  C09D5/08 ,  C23C22/07 ,  B05D3/02 ,  B32B15/08

CPC分类号： C09D5/08 ,  B05D7/51 ,  C23C22/07 ,  Y10T428/12569 ,  Y10T428/12799

摘要： The application provides a surface-treated zinc series plated steel sheet containing a steel sheet having on a surface thereof a zinc series plated layer, and on the plated layer, a surface-treated film containing a reaction product of a metallic salt with the plated metal, and a resin in a mass proportion of from 1 to 50% by mass with respect to the metallic salt, wherein the surface-treated film has a layer mainly containing the reaction product having a thickness of from 0.02 to 3 μm, and the layer mainly containing the reaction product contains 20% by volume or more of the resin contained in the surface-treated film, and a process for producing the same. According to the invention, such a chromium free surface-treated zinc series plated steel sheet is obtained that is excellent in corrosion resistance of flat part, corrosion resistance after forming, electroconductivity and formability, as equivalent to a general-purpose chromate-treated zinc series plated steel sheet. According to the process of the invention, neither chromium nor chromium compound is used, and no special wastewater treatment is necessary in a coating process of a surface treating solution and upon using the surface-treated steel sheet thus obtained.

摘要翻译： 本申请提供了一种表面处理的锌系电镀钢板，其含有在其表面上具有锌系镀层的钢板，并且在镀层上，含有金属盐与镀金属的反应产物的表面处理膜 和相对于金属盐的质量比为1〜50质量％的树脂，其中表面处理膜具有主要含有厚度为0.02〜3μm的反应产物的层，并且层 主要含有反应产物含有表面处理膜中所含树脂的20体积％以上的树脂及其制造方法。 根据本发明，得到与普通用途的铬酸盐处理的锌系列相当的这样的无铬表面处理的锌系电镀钢板，其平坦部分的耐腐蚀性，成型后的耐腐蚀性，导电性和成形性优异 镀钢板。 根据本发明的方法，既不使用铬也不使用铬化合物，在表面处理溶液的涂布过程中和使用所得到的表面处理钢板时不需要特殊的废水处理。