Synergistic effect of Ag and ZnO nanoparticles on polyaniline incorporated epoxy/2pack coatings for splash zone applications

Alam, Mohammad Asif; Samad, Ubair Abdus; Sherif, El‐Sayed M.; Seikh, Asiful H.; Al‐Zahrani, Saeed M.; Alharthi, Nabeel H.; Alam, Manawwar

doi:10.1007/s11998-018-00156-4

Cited by 12 publications

(9 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The EIS measurements evaluate the kinetic parameters associated with the electron transfer reaction at the surface–electrolyte interface and hence reveal the degradation mechanism of the coatings [ 25 , 26 , 27 , 28 , 29 , 30 , 31 ]. Figure 4 shows the Nyquist plots of the nanoparticle-incorporated epoxy coatings after immersion for 1 h in a 3.5% saline solution.…”

Section: Resultsmentioning

confidence: 99%

Effect of Incorporated ZnO Nanoparticles on the Corrosion Performance of SiO2 Nanoparticle-Based Mechanically Robust Epoxy Coatings

et al. 2020

Self Cite

View full text Add to dashboard Cite

This paper presents the studies of the development of a high-performance epoxy coating for steel substrates. To this end, it investigated the synergistic effect of incorporating zinc oxide (ZnO) nanoparticles into nanosilica containing epoxy formulations. The mechanical properties of the epoxy coating formulations were improved by modifying the surfaces of the silica nanoparticles (5 wt.%) with 3-glycidoxypropyl trimethoxysilane, which ensured their dispersal through the material. Next, the ZnO nanoparticles (1, 2, or 3 wt.%) were incorporated to improve the corrosion performance of the formulations. The anticorrosive properties of the coatings were examined by electrochemical impedance spectroscopy (EIS) of coated mild steel specimens immersed in 3.5% NaCl solution over different time intervals (1 h to 30 days). Incorporation of the ZnO nanoparticles and the nanosilica into the coating formulation improved the corrosion resistance of the epoxy coating even after long-term exposure to saline test solutions. Finally, to evaluate how the nanoparticles affected the chemical and morphological properties of the prepared coatings, the coatings were characterized by scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, and X-ray diffraction (XRD).

show abstract

Section: Resultsmentioning

confidence: 99%

Effect of Incorporated ZnO Nanoparticles on the Corrosion Performance of SiO2 Nanoparticle-Based Mechanically Robust Epoxy Coatings

et al. 2020

Self Cite

View full text Add to dashboard Cite

show abstract

“…This was confirmed by the spectra shown in Figures 8-10 that were obtained for the epoxy coatings after being immersed for 15, 21 and 30 days, respectively. It is clear from all EIS spectra that the increase of the content of Ag and ZnO nanoparticles decreases the corrosion of the epoxy coatings and thus increases the corrosion resistance as a result of a synergetic effect occurs between the epoxy coating and Ag with ZnO nanoparticles together [14]. Although, the increase of time of exposure before measurement leads to degrading the surface of the coatings, the corrosion resistance for the F2 coating is higher than that obtained for the F1 sample.…”

Section: Electrochemical Impedance Spectroscopy (Eis)mentioning

confidence: 89%

“…EIS measurements have been successfully employed to report the kinetic parameters for the electron transfer at the surface/electrolyte interface [14,[25][26][27][28][29][30]. The Nyquist plots obtained for F1 and F2 epoxy coating incorporated Ag and ZnO nanoparticles after 1 h immersion in 3.5% NaCl solution are shown in Figure 6.…”

Section: Electrochemical Impedance Spectroscopy (Eis)mentioning

confidence: 99%

“…This indicates that the increase of percent of both Ag and ZnO increases the corrosion resistance for the epoxy coating. The increase of corrosion resistance is due to a synergistic effect of Ag and ZnO nanoparticles within the coating structure, which increases with the increase of Ag and ZnO contents [14]. In order to study the effect of prolonging the exposure periods of time on the corrosion behavior of the fabricated coatings, impedance measurements were carried out after 7, 15, 21 and 30 days and the spectra are shown in Figures 7-10, respectively.…”

Section: Electrochemical Impedance Spectroscopy (Eis)mentioning

confidence: 99%

“…Ag and ZnO nanoparticles were incorporated to obtain superior mechanical and corrosion-resistance properties. The findings resulted in an enhancement in mechanical and corrosion resistance for the final coating [14].…”

Section: Introductionmentioning

confidence: 96%

See 2 more Smart Citations

Synergistic Effect of Ag and ZnO Nanoparticles on Polypyrrole-Incorporated Epoxy/2pack Coatings and Their Corrosion Performances in Chloride Solutions

et al. 2019

Self Cite

View full text Add to dashboard Cite

In this study, two formulae (F1 and F2) of epoxy/2pack coatings incorporated with polypyrrole (PPy)-conducting polymer were produced from bisphenol-A type of epoxy resin (DGEBA) with the addition of Ag and ZnO nanoparticles. The synergism effect of Ag and ZnO nanoparticles on the mechanical and corrosion resistance properties was reported. The curing agent 2,4,6-tris (dimethylaminomethyl) phenol (ARADUR 3282-BD) was used under optimized stoichiometry values. The nanoparticles ratio in different wt.% were first dispersed in solvent by the sonication process and then added to epoxy/PPy composition. All the coated steel panels were cured at room temperature in a controlled dust free environment for 7 days in order to obtain a hard and intact coating. The dispersion of nano-size ZnO and Ag pigments was investigated using scanning electron microscopy (SEM) and its composition through an energy dispersive X-ray (EDX) technique. Conventional techniques and nano-indentation were also performed to observe the effect of ZnO and Ag synergism content on the hardness and modulus of elasticity at nano scale. The corrosion behavior of the coated samples was investigated at room temperature in 3.5% NaCl solution using electrochemical impedance spectroscopy (EIS). The synergism effect of nanoparticles along with PPy resulted in an enhancement of mechanical and corrosion-resistant properties.

show abstract

Superoleophobic coating based on zinc oxide nanoparticle filled fluoropolymeric nanocomposites

et al. 2022

View full text Add to dashboard Cite

Synergistic effect of Ag and ZnO nanoparticles on polyaniline incorporated epoxy/2pack coatings for splash zone applications

Cited by 12 publications

References 31 publications

Effect of Incorporated ZnO Nanoparticles on the Corrosion Performance of SiO2 Nanoparticle-Based Mechanically Robust Epoxy Coatings

Effect of Incorporated ZnO Nanoparticles on the Corrosion Performance of SiO2 Nanoparticle-Based Mechanically Robust Epoxy Coatings

Synergistic Effect of Ag and ZnO Nanoparticles on Polypyrrole-Incorporated Epoxy/2pack Coatings and Their Corrosion Performances in Chloride Solutions

Superoleophobic coating based on zinc oxide nanoparticle filled fluoropolymeric nanocomposites

Contact Info

Product

Resources

About