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公开(公告)号：US3935084A
公开(公告)日：1976-01-27
申请号：US455947
申请日：1974-03-28
摘要： A colored oxide film on the surface of aluminium or an alloy thereof can be formed by anodizing at a D.C. voltage in an electrolyte based on sulfuric acid, followed by alternating current electrolysis at an A.C. voltage which is lower than the D.C. voltage.In order to increase the degree of coloring of the colored oxide film, after the alternating current electrolysis the A.C. voltage is raised to a higher level but lower than the D.C. voltage, followed by dropping the voltage down to a level of the A.C. voltage or thereabout.
摘要翻译： 铝或其合金表面上的有色氧化物膜可以通过在基于硫酸的电解质中的直流电压下阳极氧化，然后在低于直流电压的交流电压下进行交流电解来形成。
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公开(公告)号：US3935349A
公开(公告)日：1976-01-27
申请号：US402364
申请日：1973-10-01
申请人： Shiro Terai , Akinari Ichiryu , Toshio Suzuki , Toshinori Maeda
发明人： Shiro Terai , Akinari Ichiryu , Toshio Suzuki , Toshinori Maeda
IPC分类号： B05D1/18 , B05D3/10 , B05D7/00 , B05D7/14 , B05D7/16 , C23C22/00 , C23C22/83 , C25D11/24 , C23F7/06
摘要： A paint film based on a thermo-setting resin which is applied on an aluminum article may be improved in its adhesion properties and resistance to chemical and mechanical attacks as well as in its resistance to weathering, if the surface of the aluminum article is previously anodized to form the oxide surface layer or is treated in boiling water to form the boehmite surface layer and if the oxide surface layer, including the boehmite layer, is pre-treated with a silane compound prior to the application of the coating composition. The application of the paint composition is conducted in this invention by means of a known coating technique such as dipping, spraying, showering, brushing or roller-coating, other than the electro-deposition technique.
摘要翻译： 如果将铝制品的表面预先阳极氧化，则涂敷在铝制品上的基于热固树脂的漆膜可以改善其粘合性能和抗化学和机械性能以及耐候性 形成氧化物表面层，或在沸水中处理以形成勃姆石表面层，并且如果包含勃姆石层的氧化物表面层在施加涂料组合物之前用硅烷化合物预处理。 涂料组合物的应用通过除电沉积技术以外的已知的涂覆技术如浸渍，喷涂，淋洗，刷涂或辊涂等方法在本发明中进行。
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