研究了纳米Al2O3在极性有机溶剂分散过程中,机械力化学效应对纳米Al2O3在N-甲基吡咯烷酮(NMP)中分散稳定性的影响,采用FTIR、TGA、XRD和XPS对砂磨前后的纳米Al2O3进行了分析.结果表明:纳米Al2O3粒子在砂磨后其结晶度降低了24％,对NMP的吸附量增加了4倍,在其表面形成了稳定的、一定厚度的溶剂化层,提高了纳米粒子在NMP中的分散稳定性.
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