Sonochemistry Synthesis of Lanthanum Ions-Doped Polyaniline/Montmorillonite Nanocomposites and Their Conductivity and Thermostability Characterization

Zunli Mo*, Chun Zhang, Guoping Zhao, Ping Zhang and Yingbing Wu

Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P.R. China

*Corresponding author: E-mail:


A new network structure nanocomposites consisting of polyaniline (PANI), montmorillonite (MMT) and La3+ have been successfully synthesized sonochemically at normal pressure, the as-prepared products have been characterized by transmission electron microscope (TEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric analysis (TGA) and four-probe method. The test results show that the composites have a unique conductivity and flame resistance. The factors affecting the reaction process were discussed. Furthermore, the mechanisms of phase formation and morphology control of lanthanum ions-doped polyaniline/MMT nanocomposites during the ultrasonic synthesizing process are proposed and discussed.


Sonochemistry, Polyaniline, Montmorillonite, Lanthanum.

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