悬浮液的悬浮性和颗粒带电性是决定氧化铝电泳沉积的关键因素.本文研究了正丁胺的添加对不同溶剂和表面活性剂体系下氧化铝悬浮液的悬浮性能和电泳沉积的影响.结果表明,正丁胺的加入不利于以水为溶剂的悬浮液体系的悬浮性,同时造成沉积产率下降.而在醇类溶剂中,正丁胺的加入对非离子型表面活性剂的体系的表面带电性影响较大,而对醇类为溶剂的悬浮液沉积产率并无明显影响.以PEI为表面活性剂的醇类悬浮液中加入正丁胺能有效提高悬浮性和沉积产率.
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