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1.发明授权Process for control of electrodeposition utilizing cathodic and anodic flushable electrodes 失效使用阴极和阳极可冲洗电极控制电沉积的方法
公开(公告)号：US5827416A
公开(公告)日：1998-10-27
申请号：US718954
申请日：1996-09-26
摘要： A process of controlling an ionic electrodeposition coating system is provided for a applying coating solution, which contains a solubilizer and ionic coating particles, to an object. A first flushable, tubular electrode is placed into the tank that is electrically charged and that is accessible by the solution through a correspondingly charged membrane. A second flushable, tubular electrode is also placed into the tank that is electrically charged corresponding to the first electrode and that is accessible by the solution through an oppositely charged membrane. The object to be coated is then supplied with an electrical charge, and the electrodes are supplied with an opposite electrical charge. The application of electrical current causes a portion of the ionic coating particles to be attracted to and deposited upon the object, and also causes a release of excess cations and anions. The ions that have a charge corresponding to the charge of the object are removed at the first electrode by allowing the ions to pass through its charged membrane. Further, the ions that have a charge opposite to the charge of the object are surprisingly attracted to the like-charged second electrode and are removed at the second electrode by allowing the ions to pass through its charged membrane. The excess cations and anions are then removed from the system by circulating an electrolyte solution through the flushable electrodes.
摘要翻译： 提供了一种控制离子电沉积涂覆体系的方法，其用于将包含增溶剂和离子涂层颗粒的涂布溶液涂覆到物体上。 将第一可冲洗的管状电极放置在带电的罐中，并且可通过相应带电的膜通过溶液接近。 第二可冲洗的管状电极也被放置在与第一电极相对应的电荷中，并且可通过相反电荷的膜被溶液接近。 然后将被涂覆的物体带有电荷，并且电极被提供相反的电荷。 电流的施加导致一部分离子涂层颗粒被吸引并沉积在物体上，并且还导致过量的阳离子和阴离子的释放。 通过允许离子通过其带电膜，在第一电极处去除具有对象物电荷的电荷的离子。 此外，具有与物体的电荷相反的电荷的离子令人惊讶地被吸收到带有相同电荷的第二电极，并且通过允许离子穿过其带电膜而在第二电极处被除去。 然后通过将电解质溶液循环通过可冲洗电极，从体系中除去过量的阳离子和阴离子。
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