高岭土/肼插层材料的制备与表征

以高岭土为原料,选取50%水合肼作为插层剂,采用直接液相插层法,并辅以磁力搅拌,成功地将肼分子插入到高岭石结构层间,制得肼插层高岭土材料。利用红外光谱和粒度分析仪对产品进行了表征。IR谱表明,插层中肼分子中的NH基与高岭石内表面羟基之间产生了N-H-OH作用,形成了新的氢键;插层反应后的样品,其粒径小于5μm的颗粒占总颗粒数的比例降低了10.55%,平均粒径增大了46.84%。

The Preparation and Characterization of the Kaolin-Hydrazine Intercalation Complex

With natural mineral kaolinite as raw material,50% hydration hydrazine as intercalation chemicals,the authors intercalated hydrazine molecules (NH_2-NH_2)between the layers of Kaolinite successfully by direct liquid intercalation,stirring at the same time,and prepared the hydrazine-kaolin intercalation complex material.The product was characterized by the infrared reflectance spectroscopy and the granularity analyse apparatus.The IR spectrum indicate,the new hydrogen bondings was formed in the N-H-OH interaction between the N-H in the hadrazine molecules from intercalation chemicals and the hydroxypyzidone(-OH) in the inner surface of kaolin.The average particle size of the products has increased by 46.84%,and the percent for the particles which radius is less than 5 micron has decreased 10.55%.