采用共沉淀法制备了苯甲酸根插层纳米水滑石。借助红外光谱、X 射线衍射、热分析和高分辨透射电镜等表征手段对其进行了表征。结果表明，随着苯甲酸根插入镁铝水滑石层间，水滑石层间距有所增大，但仍具有完整的层状结构，同时，该材料的热稳定性也得到显著提高，具有潜在的应用价值。
The benzoic acid root intercalated into the nano MgAl-benzoic acid-LDH ( Layered Double Hydrox-ides) was synthesized using the co-precipitation method. The sample had been characterized by Fourier Trans-form Infrared (FT-IR) spectroscopy,X-Ray Diffraction (XRD),Thermogravimetry (TG) and High Resolution Transmission Electron Microscopy ( HRTEM). With benzoic acid into hydrotalcite interlayer,the results showed that hydrotalcite spacing increased,but it still had a complete lamellar structure. Also,the thermal stability of the MgAl-benzoic acid-LDH was remarkably improved,compared with that of MgAl-LDH,which has the potential ap-plication value.
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