本研究主要探討不同分散方法(包括超音波震盪法及兩種化學改質法)對奈米氧化鋁-正辛烷懸浮液分散性質的影響。實驗中我們利用流變行為、吸附曲線、吸收光譜和穿透式電子顯微鏡等方法，比較由三種分散法處理所得到之氧化鋁懸浮液的分散性質；結果顯示由化學改質法所獲得之懸浮液的分散穩定性遠高於超音波震盪法。此外，本實驗亦藉由溶解度常數(solubility product)、溶解因子(solubility parameter)、溫度及DLVO理論，分析和探討分散劑―油酸(oleic acid)在不同分散方法中對氧化鋁粉體的吸附以及分散機制。

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