The electrochemical synthesis of poly(aniline-co-o-anisidine) on copper and their corrosion performances

Özyılmaz, A.T.; Çolak, Nureddin; Sangün, Mustafa Kemal; Erbil, M.; Yazıcı, Birgül

doi:10.1016/j.porgcoat.2005.07.011

Cited by 27 publications

(20 citation statements)

References 20 publications

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“…The electrodeposition of aniline on the iron electrode in aqueous solution by various inorganic and organic acids was studied by Sazou and Georolios (1997). Ozyilmaz et al (2005) studied the formation of a copolymer film of poly(aniline‐co‐anisidine) on the copper electrode, and its corrosion inhibition performance, using an electrochemical technique. Only a small number of corrosion inhibition studies on copper electrodes by self‐doped polyaniline by p ‐TSA have been reported.…”

Section: Introductionmentioning

confidence: 99%

Electropolymerization of p‐toluene sulfonic acid doped polyaniline on copper and its application as a corrosion inhibitor

Rashid

Rahim

Noordin

2011

Anti-Corrosion Methods and Materials

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PurposeThe purpose of this paper is to study the inhibitive effect of p‐toluene sulfonic acid (p‐TSA) doped polyaniline on corrosion of copper in 0.1 M hydrochloric acid (HCl) solution.Design/methodology/approachThe electrochemical deposition of polyaniline doped with p‐TSA on pure copper metal was studied potentiodynamically. The electrochemical study of the working electrode was performed at open‐circuit potential, then using potentiodynamic polarization and also with electrochemical impedance spectroscopy in 0.1 M HCl solution. The p‐TSA doped polymer deposit was characterized using Fourier transform infrared spectroscopy, with the UV‐vis and thermogravimetric analysis/differential scanning calorimetry techniques. The morphology of the deposited polymer was studied by scanning electron microscopy.FindingsThe results revealed that the p‐TSA self‐doped polymer had better corrosion inhibition efficiency than did the un‐doped polyaniline. It exhibited approximately 88.9 percent inhibition efficiency at 2x10−3 M concentration of p‐TSA, according to charge transfer resistance (Rct) values evaluated from Nyquist plots.Research limitations/implicationsThe high dissolution tendency of metal surfaces generally occurs before the electropolymerization potential of the monomer is achieved. It was difficult to electrodeposit the conducting organic polymer on the surface of metal.Practical implicationsSome organic conducting polymers are toxic and hazardous from the environmental viewpoint. The electrochemical deposition of p‐TSA doped polyaniline is impractical for larger structures.Originality/valueThe paper demonstrates that p‐TSA doped polyaniline is environmentally benign and can be used for the protection of copper metal as a cathodic inhibitor.

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Section: Introductionmentioning

confidence: 99%

Electropolymerization of p‐toluene sulfonic acid doped polyaniline on copper and its application as a corrosion inhibitor

Rashid

Rahim

Noordin

2011

Anti-Corrosion Methods and Materials

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“…The mid point potential values for the redox process as well as current values, obtained from CVs are presented in Table 1. The cyclic voltammogram of poly (aniline-co-anisidine) electrodeposition demonstrates similar redox processes of anisidine but differs in peak potential [18]. As can be seen in Fig.…”

Section: Electrochemical Characterization Of Pasm Copolymermentioning

confidence: 72%

“…Recently, poly (o-methoxy aniline) was electropolymerized on SS electrode by cyclic voltammetry and observed corrosion inhibition similar to PANI [17]. Moreover, the copolymer films of poly (aniline-co-o-anisidine) were carried out on copper electrode by cyclic voltammetric technique and their corrosion performances were also characterized [18]. Zin et al [19,20] and Baghi et al [21] studied anti-corrosion performances of inorganic ions on galvanized steel by acid rain and also established corrosion performances of acid rain solution on zinc.…”

Section: Introductionmentioning

confidence: 99%

Potentiodynamic deposition of poly (o-anisidine-co-metanilic acid) on mild steel and its application as corrosion inhibitor

Kumar

Kalpana

Renganathan

et al. 2008

Electrochimica Acta

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“…The displacement in the corrosion potential confirmed the protection of the metal surface by the copolymer layer. At the metal/solution interface, the double-layer capacitance value in the low frequency region corresponded to the R ct , as studied by Ozyilmaz (2006Ozyilmaz ( , 2008 and Ozyilmaz et al (2005). The substantial increase in the R ct value corresponding to the low frequency region in the arc is observed in the Nyquist diagram when different feed ratios of p-toluidine were added to the working electrolyte containing 1 ϫ 10 Ϫ3 M of aniline monomer.…”

Section: Discussionmentioning

confidence: 90%

Electropolymerization of poly(aniline-co-p-toluidine) on copper and its application as a corrosion inhibitor

Rashid

Sabir

Waware

et al. 2014

Anti-Corrosion Methods and Materials

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Purpose – This paper aims to compare the inhibitive effects of polyaniline (PAni), poly(p-toluidine) and poly(aniline-co-p-toluidine) in hydrochloric acid (HCl) solution. Design/methodology/approach – The electrochemical deposition of PAni, poly(p-toluidine) and poly(aniline-co-p-toluidine) on pure copper metal was studied potentiodynamically. The copolymer deposited was characterized by Fourier transform infrared (FTIR) spectroscopy, ultraviolet (UV)-visible spectroscopy and scanning electron microscopy (SEM). The corrosion inhibition studies on copper electrode were performed using electrochemical methods, viz, open circuit potential (OCP) measurements, potentiodynamic polarization scans and electrochemical impedance spectroscopy (EIS) tests, conducted in 0.1 M HCl solution. Finding – The results of the study reveal that the copolymer of poly(aniline-co-p-toluidine) at the optimum concentration of 1 × 10−3 M has better corrosion inhibition efficiency as compared to PAni and poly(p-toluidine). Research limitations/implications – The conducting polymers are difficult to deposit on the metal surface because of their high dissolution tendency before the electropolymerization potential of the monomer is achieved. Practical implications – From an environmental viewpoint, poly(aniline-co-p-toluidine) is a toxic and hazardous conducting polymer. Originality/value – The paper demonstrates that poly(aniline-co-p-toluidine) showed better dispersion in different organic solvents and had higher corrosion inhibition efficiency than PAni.

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The electrochemical synthesis of poly(aniline-co-o-anisidine) on copper and their corrosion performances

Cited by 27 publications

References 20 publications

Electropolymerization of p‐toluene sulfonic acid doped polyaniline on copper and its application as a corrosion inhibitor

Electropolymerization of p‐toluene sulfonic acid doped polyaniline on copper and its application as a corrosion inhibitor

Potentiodynamic deposition of poly (o-anisidine-co-metanilic acid) on mild steel and its application as corrosion inhibitor

Electropolymerization of poly(aniline-co-p-toluidine) on copper and its application as a corrosion inhibitor

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