以异丙醇铝为原料,硝酸作为胶溶剂制备了铝的水溶胶,而后通过相转移法得到了氧化铝的有机溶胶,将发光粉放入有机溶胶内进行包膜,得到具有耐水性发光材料.制备水溶胶时,体系要保持pH值在4～5之间,n(H2O):n(Al3+)为150:1,表面活性剂的浓度为3.0×10-2 mol/L;经过包膜后耐水性、光学性能的测试确定了最佳包膜量为10%.但初始亮度降低较大,为原粉亮度的92%.
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