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Volume 9
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10.3390/coatings9060399
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Article

Preparation and Anticorrosive Property of Soluble Aniline Tetramer

by
Yongbo Ding
*,
Jia Liang
,
Gaofeng Liu
,
Wenting Ni
and
Liang Shen
*
The Department of Coatings and Polymeric Materials, Jiangxi Science and Technology Normal University, Nanchang 330013, China
*
Authors to whom correspondence should be addressed.
Coatings 2019, 9(6), 399; https://doi.org/10.3390/coatings9060399
Submission received: 17 May 2019 / Revised: 11 June 2019 / Accepted: 17 June 2019 / Published: 20 June 2019
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Abstract

Soluble aniline tetramer (AT) was successfully prepared by chemical oxidation method. Fourier transform infrared spectroscopy (FTIR) and ultraviolet-visible spectroscopy (UV-vis) were used to characterize its structure. The redox behavior of AT was identified through the electrochemical cyclic voltammetry studies. Then, the epoxy coating was prepared by using AT as inhibitor. Its anticorrosive property was evaluated by salt solution resistance test, polarization curve, and electrochemical impedance spectroscopy (EIS). Salt solution resistance test, polarization curves, and EIS measurements indicate that the obtained epoxy anticorrosive coating, containing 1.0% AT, exhibits remarkably enhanced corrosion protection properties on Q235 steel electrodes as compared to pure epoxy anticorrosive coating without AT. The significantly improved anticorrosion performance may be owing to the redox behavior of the AT, adsorption and inhibition effect of AT on Q235 steel surface, as well as synergistic curing effect by AT and polyamide.
Keywords: aniline tetramer; solubility; electroactivity; corrosive inhibition; adsorption and inhibition effect; synergistic curing effect aniline tetramer; solubility; electroactivity; corrosive inhibition; adsorption and inhibition effect; synergistic curing effect

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MDPI and ACS Style

Ding, Y.; Liang, J.; Liu, G.; Ni, W.; Shen, L. Preparation and Anticorrosive Property of Soluble Aniline Tetramer. Coatings 2019, 9, 399. https://doi.org/10.3390/coatings9060399

AMA Style

Ding Y, Liang J, Liu G, Ni W, Shen L. Preparation and Anticorrosive Property of Soluble Aniline Tetramer. Coatings. 2019; 9(6):399. https://doi.org/10.3390/coatings9060399

Chicago/Turabian Style

Ding, Yongbo, Jia Liang, Gaofeng Liu, Wenting Ni, and Liang Shen. 2019. "Preparation and Anticorrosive Property of Soluble Aniline Tetramer" Coatings 9, no. 6: 399. https://doi.org/10.3390/coatings9060399

APA Style

Ding, Y., Liang, J., Liu, G., Ni, W., & Shen, L. (2019). Preparation and Anticorrosive Property of Soluble Aniline Tetramer. Coatings, 9(6), 399. https://doi.org/10.3390/coatings9060399

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