2-巯基噻唑啉和咪唑在无氰碱性镀锌中的作用

2-巯基噻唑啉和咪唑在无氰碱性镀锌中的作用 The Functions of 2 Mercaptothiazoline and Imidazole in Zinc Plating from Nonocyanide Alkaline Solution 左正忠 ZUO Zheng zhong 1 1 2 3 first-author 左超 ZUO Chao 1 1 2 3 杨江成 YANG Jiang cheng 2 1 2 3 吕志 LU Zhi 2 1 2 3 王志军 WANG Zhi jun 2 1 2 3 武汉大学化学学院 武汉大学化学学院 1 College of Chemistry,Wuhan University 1 College of Chemistry,Wuhan University 武汉风帆电镀技术公司 武汉风帆电镀技术公司 2 Wuhan Fengfan Electroplating Technique Co. 2 Wuhan Fengfan Electroplating Technique Co. 武汉大学化学学院武汉风帆电镀技术公司 武汉大学化学学院武汉风帆电镀技术公司 运用阴极极化法、旋转圆盘电极法和赫尔槽试验法研究了２－巯基噻唑啉、咪唑在无氰碱性镀锌中的作用．结果表明：２－巯基噻唑啉在高电流密度区增大了阴极极化，并在一定浓度范围内具有正整平能力；而咪唑在低电流区有去极化作用、在高电流区有增大极化作用．因而，它们对镀液的分散能力都很有利 The function of 2 mercaptothiazoline and imidazole in Zinc plating from noncyanide alkaline solution were studied with cathodic polarization,rotating disk electrode and Hull cell testing methods.The experimental results showed,2 mercaptothiazoline raised cathodic polarization at high current area and exhibited a good leveling property within the range of concentration,and imidazole decreased at low current area and raised cathodic polorization at high current area. So they improved the throwing power of Zinc plating solution. 2－巯基噻唑啉 咪唑 镀锌 添加剂 mercaptothiazoline imidazole zinc plating additives TQ153.2 湖北省重点科技研究资助项目 1999-02-01 2021-04-01 2