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交流电解着色的工艺比较简单,但是影响的因素较多,每一环节控制不好,都会影响电解着色膜层的效果,导致颜色从现性不好,掉膜,挂白点等缺陷.主要原因是选择得当的着色液成分和控制好工作条件(时间,电压,pH值,温度,对极材料)及阳极氧化膜的质量. (一) 着色液成份的选择首先选择金属盐.根据化学原子电子层结构理论,在d轨道上含有电子的元素一般具有颜色,而且由于氧化数不同组成不同结构,吸收光的波长不同所显示的颜色也不
AC electrolytic coloring process is relatively simple, but the impact of many factors, each link is not good, will affect the effect of electrolytic coloring film, resulting in poor color from the current, film, hanging white point and other defects. Is to choose the proper composition of the coloring liquid and to control the working conditions (time, voltage, pH, temperature, the material of the opposite pole) and the quality of the anodized film. (I) Selection of coloring liquid composition Firstly, select the metal salt, Layer structure theory, in the d orbital electron-containing elements generally have a color, and due to different oxidation number composed of different structures, the wavelength of light absorption shows the color is not