Characterization and Comparison of Conducting Polyaniline Synthesized by Three Different Pathways

武汉理工大学学报-材料科学版(英文版), 2011, 26(6): 1068-1072. doi: 10.1007/s11595-011-0364-4

^1, , ^2, , ^3, , ^4, , ^5,

1.Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, China;Key Laboratory for Corrosion and Protection of Ministry of Education, Beijing 100083, China

2.Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, China;Key Laboratory for Corrosion and Protection of Ministry of Education, Beijing 100083, China

3.Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, China;Key Laboratory for Corrosion and Protection of Ministry of Education, Beijing 100083, China

4.Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, China;Key Laboratory for Corrosion and Protection of Ministry of Education, Beijing 100083, China

5.Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, China;Key Laboratory for Corrosion and Protection of Ministry of Education, Beijing 100083, China

基金项目: the National Natural Science Foundation of China(50771020)

Characterization and Comparison of Conducting Polyaniline Synthesized by Three Different Pathways

DONG Chaofang ^1, , XIAO Kui ^2, , CHEN Ting ^3, , LI Huiyan ^4, , LI Xiaogang ^5,

1.Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, China;Key Laboratory for Corrosion and Protection of Ministry of Education, Beijing 100083, China

2.Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, China;Key Laboratory for Corrosion and Protection of Ministry of Education, Beijing 100083, China

3.Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, China;Key Laboratory for Corrosion and Protection of Ministry of Education, Beijing 100083, China

4.Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, China;Key Laboratory for Corrosion and Protection of Ministry of Education, Beijing 100083, China

5.Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, China;Key Laboratory for Corrosion and Protection of Ministry of Education, Beijing 100083, China

Keywords： nano materials

The conducting polyaniline (PANI) prepared by three chemical oxidative polymerization pathways including microemulsion,emulsion and aqueous solution methods were studied and compared.Their structures,morphologies and properties were characterized using FT-IR,XRD,TEM and TGA.PANI particles formed in aqueous solution have a smallest size and doping HC(l) enables to increase their conductivity.In contrast,PANI particles prepared by emulsion method have the highest thermal stability and conductivity and more ordered morphology.Rather different from these two methods,microemulsion approach allows forming nanocomposite PANI with tube-like nanostructure.

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