INTERCALATION OF DODECYL-SULFATE INTO LAYERED DOUBLE HYDROXIDES

被引:162
作者
CLEARFIELD, A
KIEKE, M
KWAN, J
COLON, JL
WANG, RC
机构
[1] Department of Chemistry, Texas A and M University, College Station, 77843, Texas
来源
JOURNAL OF INCLUSION PHENOMENA AND MOLECULAR RECOGNITION IN CHEMISTRY | 1991年 / 11卷 / 04期
关键词
INTERCALATION; X-RAY POWDER DIFFRACTION; INFRARED; THERMOGRAVIMETRIC ANALYSIS; DODECYL SULFATE;
D O I
10.1007/BF01041414
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The intercalation of sodium dodecyl sulfate and exchange of dodecyl sulfate anion into layered double hydroxides has been examined by means of X-ray diffraction, infrared and thermogravimetric procedures. Three types of derivatives were obtained having mean interlayer spacings of approximately 26 angstrom, 36 angstrom and 47 angstrom, respectively. These interlayer distances did not correlate with the amount of organic incorporated between the layers but, as shown by computer simulations, depended upon the orientation of the chains within the interlamellar space. In several reactions both intercalation of neutral sodium dodecyl sulfate as well as exchange of the dodecyl anion took place. Attempts to remove the alkyl sulfate chains with dilute acid resulted in dissolution of the more basic metals producing non-stoichiometric layered products.
引用
收藏
页码:361 / 378
页数:18
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