钛酸丁酯和乙酐在低于100℃非水状态下生成非晶钛氧有机化合物,经焙烧得到纳米二氧化钛晶体.差热分析表明,表面吸附物和键合有机基团在314～389℃之间发生氧化和分解而除去,389～405℃之间无定形粉体转化为锐钛矿型晶体;热重分析中,表面物理吸附物失重10.60%,键合有机基团失重46.55%.制备的纳米二氧化钛为球形粒子,粒径为10～30nm.
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