A stepwise control route for the preparation of Mg-Al, Zn-Al, and Mg-Fe layered double hydroxides (LDHs)

被引：1
|
作者：
Liu, Zhao-hui [1 ]
Gu, Xiao-hua [1 ]
Zhang, Zhaocai [1 ]
Wang, Dan [1 ]
Yin, Cuiyu [1 ]
Shen, Xin-yuan [1 ]
机构：
[1] Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
来源：
HIGH-PERFORMANCE CERAMICS V, PTS 1 AND 2 | 2008年 / 368-372卷
关键词：
LDHs; M3+ hydroxyl aqueous complexes; stepwise control;
D O I：
10.4028/www.scientific.net/KEM.368-372.1820
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：
Mg-Al, Zn-Al, and Mg-Fe layered double hydroxides (LDHs) have been synthesized through a stepwise control route. In the stepwise control route, we controlled the state of Al or Fe composition as Al or Fe hydroxyl aqueous complexes in aqueous solution first, then dropwise Mg2+ or Zn2+ and Off and keep procedure at constant pH value simultaneously at room temperature. The textural and structure properties of the resulting samples were characterized by XRD and TG-DTG. The results showed that products obtained by the stepwise control route were pure and highly crystalline LDHs. The particle size and size distribution was measured by DLLS.
引用
收藏
页码：1820 / 1822
页数：3
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