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发明公开
CN101891998A 一种涂料组合物和镀锌钝化材料 失效 - 权利终止

一种涂料组合物和镀锌钝化材料
摘要：
本发明提供了一种涂料组合物，该涂料组合物为将含有纳米SiO2、成膜物质、成膜助剂、促进剂、酸和水的混和物混合均匀得到的，且所述涂料组合物的pH值为3-9。本发明还提供了一种镀锌钝化材料，该镀锌钝化材料包括镀锌基材和附着在该镀锌基材表面的钝化涂层，所述钝化涂层为本发明提供的涂料组合物固化后形成的产物。本发明提供的涂料组合物可以为镀锌钝化材料获得良好的耐腐蚀性、耐水性、耐高温性能和表面导电性以及所形成的钝化涂层与镀锌材料的良好的附着性。此外，本发明提供的涂料组合物不含六价铬，满足欧盟RoHS指令的要求。
摘要（英）：

The invention provides a paint composition. The paint composition is obtained by uniformly mixing a mixture including SiO2, a film forming matter, a film forming aid, an accelerator, acid and water, and the pH value of the paint composition is between 3 and 9. The invention also provides a galvanized passivated material. The galvanized passivated material comprises a galvanized substrate and a passivated coating attached to the surface of the galvanized substrate, wherein the passivated coating is a product formed by curing the paint composition provided by the invention. The paint composition provided by the invention can achieve high corrosion resistance, water resistance, high temperature resistance and surface conductivity as well as high adhesiveness of a formed passivated coating and a galvanized material for the galvanized passivated material. Moreover, the paint composition provided by the invention does not contain hexavalent chromium and meets the requirement of EU RoHs instruction.

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