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首页> 外文会议>International Symposium on Nanocomposites and Nanoporous Materials >Characterization of Nano Scaled Mullite Powders Prepared by Organic-Inorganic Solution Technique
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Characterization of Nano Scaled Mullite Powders Prepared by Organic-Inorganic Solution Technique

机译：用有机无机溶液技术表征纳米鳞型莫来石粉末

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摘要

Nano scaled mullite (3Al_2O_3·2SiO_2) powders had been fabricated by an organic-inorganic solution technique using a polyvinyl alcohol (PVA) as an organic carrier. PVA polymer contributed to a soft and porous powder microstructure, and ball milling with the porous powder was effective in making nano-sized mullite powders. In addition, the degree of polymerization of PVA affected the crystallization behavior. The fully crystallized and ball-milled mullite powders had an average particle size of 120 nm with a specific surface area of 67.0 m~2/g. In this paper, the simple solution technique and milling process for the fabrication of nano scaled mullite powders are introduced. And the effects of PVA on the crystallization behavior and powder specific surface area are also studied. The characteristics of the synthesized powders are examined by using XRD, TEM, particle size analyzer and nitrogen gas adsorption.
机译：纳米缩放莫来石（3AL_2O_3·2SIO_2）粉末通过使用聚乙烯醇（PVA）作为有机载体的有机无机溶液技术制造。 PVA聚合物有助于柔软且多孔粉末微观结构，并且具有多孔粉末的球铣削是有效制备纳米型莫来石粉末。此外，PVA的聚合程度影响了结晶行为。完全结晶的和球磨的莫来石粉末的平均粒度为120nm，比表面积为67.0m〜2 / g。本文介绍了纳米鳞型莫来石粉末制备的简单解决方案技术和铣削方法。还研究了PVA对结晶行为和粉末特异性表面积的影响。通过使用XRD，TEM，粒度分析仪和氮气吸附来检查合成粉末的特性。

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