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《Bulletin of the Chinese Ceramic Society》 2011-03
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Preparation and Characterization of Pyridinium Modified Montmorillonite and Its Application in Polypropylene/Montmorillonite Nanocomposites

WANG Li-mei(Department of Chemistry,Dezhou University,Dezhou 253023,China)  
Hexadecane pyridinium bromine was prepared and organically modified montmorillonite was prepared with this pyridinium.Flourier transform infrared(IR),wide-angle X-ray diffraction(XRD) and thermogravimetric analysis(TGA) were employed to test the modified montmorillonite.IR spectra revealed that the pyridinium was loaded in the galleries of montmorillonite.XRD patterns indicated that the d-spacing of montmorillonite layers increased to 2.97 nm in pyridinium modified montmorillonite.TGA results showed the thermal stability of pyridinium modified montmorillonite had been noticeably improved.Polypropylene(PP)/montmorillonite nanocomposites were synthesized with this pyridinium modified montmorillonite by solution blending.XRD patterns proved that montmorillonite layers were dispersed in PP matrix by nanometer size.
【Fund】: 国家自然科学基金项目(21046003);; 山东省自然基金项目(2009ZRA14010);; 德州学院实验技术研究项目(SYJS-B09006)
【CateGory Index】: TB383.1
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