柱撑阴离子粘土材料研究进展

WT5HZPROGRESS OF STUDIES ON PILLARED ANIONIC CLAY MATERIAL

水滑石类化合物是一类重要的阴离子粘土材料 ,在工业上有潜在的应用价值。论述了水滑石类化合物的结构 ,介绍了制备水滑石类化合物和柱撑水滑石类化合物的方法 ,概括了柱撑水滑石常用的表征方法 ,包括XRD、IR、Raman、固体MAS -NMR谱、ESR谱及差热分析等 ,并对它们的用途进行了简要的说明。对柱撑水滑石类化合物作为催化剂在石油炼制、石油化工、精细化工以及环境保护、材料科学等方面的应用现状及前景进行了分析。

Hydrotalcite-type compounds, including hydrotalcite(HT) and hydrotalcite-like compounds(HTLCs), are anionic clay minerals. The structures of hydrotalcite-like compounds are described. The methods of preparation of hydrotalcite-type compounds and pillared HTLCs are summarized. The analysis methods, such as XRD, IR, Raman, Solid MAS-NMR, ESR and thermal analysis employed to characterize the pillared HTLCs, are introduced. The applications of pillared HTLCs, are reviewed and prospected.