以Al(NO3)3·9H2O、尿素为原料,以PEG2000为表面活性剂,采用水热-热解法合成纤维状氧化铅粉体.用XRD、SEM对产物进行表征,研究了不同水热时间、pH值、硝酸铝浓度、PEG2000添加量及铝源等因素对纤维状α-Al2 O3粉体结晶状况、晶粒尺寸、晶体形貌的影响,分析了合成反应机理.实验结果表明:PEG2000添加量是影响反应体系得到纤维形貌产物的关键.
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