Preparation and characterization of L-aspartic acid-intercalated layered double hydroxide

被引:18
|
作者
Yuan, Q
Wei, M
Wang, ZQ
Wang, G
Duan, X [1 ]
机构
[1] Beijing Univ Chem Technol, Minist Educ, Key Lab Sci & Technol Controllable Chem React, Beijing 100029, Peoples R China
[2] Tsing Hua Univ, Dept Chem, Beijing 100084, Peoples R China
关键词
chiral molecule; coprecipitation; L-aspartic acid; layered double hydroxides; intercalation;
D O I
10.1346/CCMN.2004.0520105
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
L-aspartic acid was intercalated into layered double hydroxides by coprecipitation. Two types of well crystallized material were obtained and were characterized by powder X-ray diffraction, Fourier transform infrared spectroscopy, thermogravimetry, differential thermal analysis and polarimetry. Schematic models of two intercalation structures with different basal spacings are given. It is proved that the optical activity of L-aspartic acid is retained during and after the intercalation process.
引用
收藏
页码:40 / 46
页数:7
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