摘要 本文用内蒙古赤峰的蒙脱土为原料，经提纯、钠化和有机改性后，用吡咯单体对有机化膨润土插层，采用氧化还原聚合法，由过硫酸铵、三过氧化环己酮、氯化铁引发吡咯单体在膨润土层间实现原位聚合，分别制备了三氯化铁引发聚吡咯-膨润土（FC-PPy-MMT）、过氧化环己酮引发聚吡咯-膨润土（CP-PPy-MMT）和过硫酸盐引发聚吡咯-膨润土（AP-PPy-MMT）等三种吸附材料。利用比表面仪、X-射线衍射仪（XRD）、红外光谱仪（FT-IR）、元素分析和热重分析(TG)等多种测试手段，对三种PPy-MMT结构、形态和性能进行了表征。对聚吡咯-膨润土的化学组成、层间结构、表面积、化学结构表征分析，建立材料结构与膨润土结合能之间的关系，表明了影响膨润土层间剥离程度的根本原因。选用刚果红染料作为吸附介质进行了吸附实验和吸附机理的探索。 结果表明：发生聚合所得到的复合材料AP-PPy-MMT、CP-PPy-MMT和FC-PPy-MMT，聚吡咯在质量占复合蒙脱土质量分别为3.15%。2.65%和5.37%。AP-PPy-MMT、CP-PPy-MMT、FC-PPy-MMT不同引发剂制备成吸附材料的d(001)值，其由大小的顺序为：CP-PPy-MMT>AP-PPy-MMT> FC-PPy-MMT。在1460cm-1附近对应C-N的伸缩振动。说明聚吡咯-膨润土复合材料合成成功。聚吡咯-膨润土的比表面与孔结构：AP-PPy-MMT、CP-PPy-MMT和FC-PPy-MMT的比表面分别为9.63m2/g，16.81m2/g，18.03m2/g；孔容分别为0.027cm3/g，0.044cm3/g，0.037cm3/g；孔径分别为86.50Å，104.89Å，82.26Å。 通过聚吡咯-膨润土吸附材料对刚果红溶液吸附动力学和吸附热力学研究，确定了染料刚果红的分子与聚吡咯-膨润土吸附材料对刚果红溶液的吸附均符合准二级动力学方程和Langumuir吸附模型，所以呈单分子层型吸附。 关 键 词：蒙脱土；聚吡咯；吸附材料；刚果红 研究类型：自然科学类

Abstract This text needs the montmorillonoid of the Inner Mongolia Chifeng as raw materia. After the purification, sodium and organic modification, using pyrrole monomer to insert the organo-bentonite. Taking the REDOX polymerization, riggering Pyrrole monomer realizing normal position polymerization between the Bentonite clay layer by ammonium persulfate, three cyclohexanone peroxide and ferric chloride. Preparing respectively FC-PPy-MMT, CP-PPy-MMT, AP-PPy-MMT, which are three kinds of adsorption material, and choose Congo red dye as adsorbing medium to do the adsorption experiments and the exploration of the adsorption mechanism. Making use of the specific surface area measurement, XRD, FT-IR, elemental analysis and TG, some test measures. Doing representation for the structure, morphology and performance of the three kinds of PPy-MMT. Doing representation for the chemical constitution, Interlayer structure, superficial area and chemical construction of the polypyrrole – bentonite. Establishing the relationship between the material structure and the binding energy of bentonite. Showing the primary cause which affecting the stripping degree between the bentonites. The results show that: In the AP-PPy-MMT、CP-PPy-MM and FC-PPy-MMT which are getted from the elemental analysis, the polypyrrole accounted for 3.15% , 2.65% and 5.37% of the compound montmorillonite in the quality. AP-PPy-MMT、CP-PPy-MMT、FC-PPy-MMT, three different initiators make adsorbing materials, its d(001) order by size is: CP-PPy-MMT>AP-PPy-MMT> FC-PPy-MMT. near 1460cm-1 is the stretching vibration of C-N. Polypyrrole - bentonite composites are synthesized successfully. Polypyrrole – bentonite’s surface and pore structure: the surface of AP-PPy-MMT、CP-PPy-MMT and FC-PPy-MMT are 9.63m2/g，16.81m2/g，18.03m2/g; the pore volumes are 0.027cm3/g，0.044cm3/g，0.037cm3/g; the aperture are 86.50Å，104.89Å，82.26Å. Adsorption kinetic and thermodynamics of Congo red on PPy-MMT nanocomposites were studied. Results indicated that the primary mechanism for Congo red adsorption on PPY-MMT was chemical monomolecular adsorption. Key words : montmorillonite; PPy; adsorption materials; Congo red Research Type: Natural Science