| LYU Long-fei,LIN Sheng-ling,CHEN Chuan-xiang,WEN Dan,LI Xiao-shuang.Preparation, Structure Characterization and Anti-corrosion Properties of Conductive Copolymer Doped with SSA[J],42(4):110-114 |
| Preparation, Structure Characterization and Anti-corrosion Properties of Conductive Copolymer Doped with SSA |
| Received:April 02, 2013 Revised:May 10, 2013 |
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| DOI： |
| KeyWord:sulfosalicylic acid monomer ratio doped conductive copolymer anti-corrosion |
| Author | Institution |
| LYU Long-fei |
Jiangsu University of Science and Technology, Zhenjiang , China |
| LIN Sheng-ling |
Jiangsu University of Science and Technology, Zhenjiang , China |
| CHEN Chuan-xiang |
Jiangsu University of Science and Technology, Zhenjiang , China |
| WEN Dan |
Jiangsu University of Science and Technology, Zhenjiang , China |
| LI Xiao-shuang |
Jiangsu University of Science and Technology, Zhenjiang , China |
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| Abstract: |
| This experiment adjusted different polymerization monomer ratio to prepare polyaniline / pyrrole conductive copolymer doped with SSA by chemical oxidative polymerization in the condition of sulfosalicylic acid ( SSA) system and ammonium persulfate ( APS) as oxidizing agents. The molecular structure, microstructure and ordering degree were analyzed by FTIR, SEM and XRD test means. The anti-corrosion properties of PANI / PY-SSA for low carbon steel material were studied by using the Tafel polarization curve method and EIS impedance spectrum after filling the conductive copolymer into EP resin at the same time. The results show that the abilities of metal protection of PANI have been improved apparently by PY copolymerizing,and the anti-corrosion property of PANI / PY-SSA is the best when n ( AN) 颐 n ( PY) = 3 颐 7 , Ecorr is-0 . 335 V, Jcorris 7 . 972 A / cm2, RCis 2 . 103 X105Ω·cm2, CCis 1 . 646 X10-8F / cm2. |
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