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采用硝酸铈为原料,聚乙烯吡咯烷酮为添加剂水热法合成CeO2前驱体,所得前驱体在不同温度下煅烧制备CeO2抛光粉,研究了煅烧温度对产品物性和抛光性能的影响.结果表明:水热合成的前驱体为直径~100 nm的类球形均匀颗粒;随煅烧温度的升高,产品结晶度提高,粒度逐渐增大,对K9玻璃的材料去除率先增大而后降低,在1050℃达到极大值.为此,确定了合成中位粒径在200 ~400 nm之间的CeO2高效抛光粉的最佳条件.

参考文献

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