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助溶胶–凝胶法制备纳米氧化锆粉体
作者:  汪其堃   汪永清   常启兵 
单位:(景德镇陶瓷大学材料科学与工程学院 江西 景德镇 333403) 
关键词:氧化锆 聚环氧乙烷-聚环氧丙烷-聚环氧乙烷三嵌段共聚物 纳米粉体 分散 隔离 
分类号:TB383
出版年,卷(期):页码:2020,48(1):0-0
DOI:
摘要:

 以八水氧氯化锆为锆源,聚环氧乙烷-聚环氧丙烷-聚环氧乙烷三嵌段共聚物(P123)为分散剂,采用P123辅助溶胶?凝胶法制备纳米氧化锆粉体。在制备过程中,P123经碳化生成的纳米碳颗粒起到了将氧化锆颗粒隔离分散的作用,因此在该方法中无需水洗/醇洗过程去除杂质离子即可获得纳米氧化锆粉体。结果表明:当P123与理论合成氧化锆的质量比为80%,煅烧温度为1 100 ℃时,能够得到分散性好,粒径分布较窄,中位粒径(D50)仅为158 nm的纳米氧化锆粉体。该方法为环保、高效制备纳米粉体提供了一种新的思路。

基金项目:
国家自然科学基金(51262020,51772136,21761015)项目。
作者简介:
参考文献:

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