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研究了氧化铅在氨基甲酸乙酯(EC)与乙醇反应合成碳酸二乙酯(DEC)中的催化作用.结果表明,氧化铅具有很好的稳定性,重复使用5次,其催化活性无明显下降.回收的催化剂为立方晶相金属Pb和斜方晶相PbO2的混合物,结合反应结果可认为,该混合物为反应的活性组分.结果还发现,PbO与DEC反应是PbO被还原为Pb的主要原因.

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