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Multifunctional Protective PVC-ZnO Nanocomposite Coatings Deposited on Aluminum Alloys by Electrospinning

1
Materials Engineering Laboratory, Department of Engineering, Public University of Navarre, Campus Arrosadía S/N, 31006 Pamplona, Spain
2
Institute for Advanced Materials (InaMat), Public University of Navarre, Campus Arrosadía S/N, 31006 Pamplona, Spain
3
Centre of Advanced Surface Engineering, AIN, 31191 Cordovilla, Spain
*
Author to whom correspondence should be addressed.
Coatings 2019, 9(4), 216; https://doi.org/10.3390/coatings9040216
Received: 8 March 2019 / Revised: 22 March 2019 / Accepted: 25 March 2019 / Published: 27 March 2019
This paper reports the use of the electrospinning technique for the synthesis of nanocomposite micro/nanofibers by combining a polymeric precursor with hydrophobic behavior like polyvinyl chloride (PVC) with nanoparticles of a corrosion inhibitor like ZnO. These electrospun fibers were deposited on substrates of the aluminum alloy 6061T6 until forming a coating around 100 μm. The effect of varying the different electrospinning deposition parameters (mostly applied voltage and flow-rate) was exhaustively analyzed in order to optimize the coating properties. Several microscopy and analysis techniques have been employed, including optical microscopy (OM), field emission scanning electron microscopy (FE-SEM), atomic force microscopy (AFM), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). Water contact angle (WCA) measurements have been carried out in order to corroborate the coating hydrophobicity. Finally, their corrosion behavior has been evaluated by electrochemical tests (Tafel curves and pitting potential measurements), showing a relevant improvement in the resultant corrosion resistance of the coated aluminum alloys. View Full-Text
Keywords: electrospinning; corrosion; superhydrophobic; PVC-ZnO; nanocomposite coating electrospinning; corrosion; superhydrophobic; PVC-ZnO; nanocomposite coating
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MDPI and ACS Style

Iribarren, A.; Rivero, P.J.; Berlanga, C.; Larumbe, S.; Miguel, A.; Palacio, J.F.; Rodriguez, R. Multifunctional Protective PVC-ZnO Nanocomposite Coatings Deposited on Aluminum Alloys by Electrospinning. Coatings 2019, 9, 216. https://doi.org/10.3390/coatings9040216

AMA Style

Iribarren A, Rivero PJ, Berlanga C, Larumbe S, Miguel A, Palacio JF, Rodriguez R. Multifunctional Protective PVC-ZnO Nanocomposite Coatings Deposited on Aluminum Alloys by Electrospinning. Coatings. 2019; 9(4):216. https://doi.org/10.3390/coatings9040216

Chicago/Turabian Style

Iribarren, Alvaro, Pedro J. Rivero, Carlos Berlanga, Silvia Larumbe, Adrian Miguel, Jose F. Palacio, and Rafael Rodriguez. 2019. "Multifunctional Protective PVC-ZnO Nanocomposite Coatings Deposited on Aluminum Alloys by Electrospinning" Coatings 9, no. 4: 216. https://doi.org/10.3390/coatings9040216

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