以镁铝水滑石(Mg-AlLDHs)为插层主体、L-天冬酸离子为插层客体,分别用返混沉淀法和共沉淀法制备了L-天冬酸根插层镁铝水滑石手性层柱材料,并用FT-IR、XRD和DTA对其结构进行了表征.实验结果表明,用这两种方法制备的L-天冬酸插层镁铝水滑石都具有良好的结晶度和规整的层状结构,L-天冬酸根垂直插层后的特征衍射峰(003)的层间距在1.22～1.27 nm之间,并得出了超分子结构模型.
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