采用紫外分光光度法研究了丁炔二醇和丙炔醇在光亮镀镍过程中的阳极氧化反应,以期进一步认识添加剂在电镀过程中的作用机理.结果表明,炔醇类化合物在阳极生成了相应的有共轭体系的炔醛类和炔酸类化合物,产生了紫外吸收.当镍阳极处于钝化状态时阳极上有氯气产生,炔醇类氧化物的生成速度较快.选择活性镍作为光亮镀镍阳极,可以减少炔醇类光亮剂的氧化.
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