Influence of polyaniline nanoparticles on the corrosion protection properties of epoxy nanocomposite coating

Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

CBGCONF02_284

تاریخ نمایه سازی: 9 فروردین 1395

Abstract:

In this study the anticorrosive properties of an epoxy coating loaded with polyaniline nanoparticles is investigated by means of Electrochemical Impedance Spectroscopy (EIS) and accelerated salt spray test. The blank epoxy coating was loaded with 0.1 wt % PAni nanoparticles. Through the monitoring of open circuit potential, an ennoblement effect was detected for the systems in the presence of a 3.5 wt.% NaCl solution. Also, an increase in the impedance at low frequency range was occurred by adding polyaniline nanoparticles. The OCP and EIS results indicate that possibly a passive layer formed on the substrate surface. In addition the coating with polyaniline nanoparticles had better performance to salt spray media.

Authors

Ahmad Ghasemi-Kahrizsangi

Corrosion Department, Research Institute of Petroleum Industry (RIPI), P.O. Box 18745-4163,Tehran, Iran

Jaber Neshati

Corrosion Department, Research Institute of Petroleum Industry (RIPI), P.O. Box 18745-4163,Tehran, Iran

Homeira Shariatpanahi

Coating Research Center, Research Institute of Petroleum Industry (RIPI), P.O. Box 18745- 4163, Tehran, Iran

Esmaeil Akbarinezhad

Coating Research Center, Research Institute of Petroleum Industry (RIPI), P.O. Box 18745- 4163, Tehran, Iran

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