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Citation: MA Li, FENG Li-Jun, GAN Meng-Yu, DU Xing-Sheng. Synthesis and Properties of Conducting Polyaniline Doped with Multiple Sulfonic Acid[J]. Chinese Journal of Applied Chemistry, ;2008, 25(2): 142-146. shu

Synthesis and Properties of Conducting Polyaniline Doped with Multiple Sulfonic Acid

1.
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030

Corresponding author: MA Li,
Received Date: 19 March 2007
Available Online: 31 July 2007
Fund Project: 国家自然科学基金资助项目(20176066) (20176066)

A conducting polyaniline doped with multiple sulfonic acid was prepared by microemuslion polymerization.Effects of reaction temperature and doping agent loading on the properties of the PAn were discussed.The properties of the PAn were studied and characterized by four-probe,Tafer curve,laser granularity analysis,thermogravimetric analysis(TGA) and FT-IR.The results show that when polymerization temperature was 15℃ and the mass ratio of sulfosalicylic acid(SSA) to sodium dodecylbenzenesulfonate(SDBS) was 2.5:1,both the conductivity and the solubility reached maximum,which was 11 S/cm,and 85%(in NMP),respectively.The corrosion potential was -0.391 V.The thermal decomposition temperature was about 440℃,and about 90% of the PAn particles were between 50~100 nm.
- polyaniline,
- multiple sulfonic acid,
- doping,
- conductivity
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