以N-乙烯基咪唑单体为原料,通过自由基引发聚合,合成了聚N-乙烯基咪唑.以聚N-乙烯基咪唑为中间体合成了聚溴化N-乙烯基-N'-丁基咪唑.通过红外光谱仪、核磁共振仪及元素分析仪对其结构进行了表征.采用阴极极化曲线、交流阻抗谱测试其电化学性能,并将该物质作为电镀铜添加剂.结果表明,该阳离子高分子化合物能够增大阴极极化,降低铜离子在阴极析出电位,获得晶粒细致、光亮平整的镀层,是良好的印刷电路板电镀铜的添加剂.
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