Water vapor adsorption and desorption of mesoporous materials derived from metakaolinite by hydrothermal treatment

被引：12
|
作者：
Maeda, Hirotaka [1 ]
Ishida, Emile H. [1 ]
机构：
[1] Tohoku Univ, Grad Sch Environm Studies, Aoba Ku, Sendai, Miyagi 9808579, Japan
来源：
CERAMICS INTERNATIONAL | 2009年 / 35卷 / 03期
基金：
日本学术振兴会;
关键词：
Composites; Clays; Functional Applications; Hydrothermal treatment; QUARTZ; LIME; SOLIDIFICATION; TOBERMORITE; KAOLINITE; BEHAVIOR;
D O I：
10.1016/j.ceramint.2008.04.007
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Mesoporous materials were prepared by hydrothermal treatment of powder-compacts consisting of metakaolinite, quartz and slaked lime with different forming pressures. The hydrothermally solidified materials developed strength despite the formation of hydrogamet. The hydrothermally solidified materials exhibited a broad pore size distribution of more than 3.4 nm, and the volume and specific surface area increased with decreasing the forming pressure. The hydrothermally solidified materials showed an excellent humidity-controlling ability due to adsorption and desorption of water vapor by utilizing their mesopores. (C) 2008 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：987 / 990
页数：4
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