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Licensed Unlicensed Requires Authentication Published by De Gruyter November 5, 2014

Effect of polyaniline/organophilic montmorillonite composites on properties of epoxy coating

  • Yingjun Zhang , Jingwei Deng , Yawei Shao EMAIL logo , Qiumei Shi , Guozhe Meng and Li Ping
From the journal Corrosion Reviews


Polyaniline/organophilic montmorillonite (PANI/OMMT) composite powders were synthesized by in situ intercalation polymerization and were added to the epoxy coating as an anti-corrosive pigment. Fourier translation infrared spectroscopy (FT-IR), X-ray diffraction, and contact angle test were used to characterize the PANI/OMMT powders. The epoxy coating containing the PANI/OMMT powders was studied by electrochemical impedance spectroscopy (EIS), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and pull-off adhesion test. The results indicated that a unique combination of OMMT and PANI was realized by in situ intercalation polymerization, that the hydrophobic property of PANI/OMMT powders was enhanced and PANI/OMMT powders had good compatibility with epoxy resin, and that the anti-corrosive property of PANI/OMMT coating was better than that of epoxy resin coating.

Corresponding author: Yawei Shao, Corrosion and Protection Laboratory, College of Materials Science and Chemical Engineering, Harbin Engineering University, Nantong ST 145, Harbin 150001, China, e-mail:


The authors acknowledge the financial support of the Fundamental Research Funds for the Central Universities (HEUCF201310023 and HEUCF102012001), the State Grid Practical Project (Investigation on the Key Technologies on Development and Application of Anticorrosion Material of Power Transmission and Transformation Equipment; 521820130014), National Basic Research Program of China, Ministry of Science and Technology China under contract 2014CB643301, and the Key Laboratory of Superlight Material and Surface Technology (Harbin Engineering University), Ministry of Education.


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Received: 2014-6-17
Accepted: 2014-9-25
Published Online: 2014-11-5
Published in Print: 2014-12-1

©2014 by De Gruyter

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