Abstract
In this study, the degradable superhydrophobic Mg/P/Z/F/H (magnesium/poly(-caprolactone)/zinc oxide/1H,1H,2H,2H-perfluorodecyltriethoxysilane (PFDTES)/heating process) composite materials were prepared through dip-coating method and heating process, for enhancing the corrosion resistance of the AZ91D magnesium alloys. The electrochemical measurements revealed that the Mg/P/Z/F/H materials significantly improved the corrosion resistance of the magnesium alloys in 3.5 wt.% NaCl. The Mg/P/Z/F/H composite materials exhibited efficient self-cleaning properties, good adhesion strength, and stability in wet atmosphere.
Highlights
The research on the superhydrophobic materials focuses on the undegradable polymers and various metal alloys (Fe, Cu, Ni, Co) containing heavy metal ions [17,18,19,20,21,22]
Degradable and superhydrophobic M/P/Z/F/H composite materials were prepared through the dip-coating method and heating process to solve the poor corrosion resistance of magnesium
The environmentally degradable superhydrophobic Mg/P/Z/F/H comIn this study, the environmentally degradable superhydrophobic Mg/P/Z/F/H composite materials with less heavy metals were successfully prepared by using the simple posite materials with less heavy metals were successfully prepared by using the simple dip-coating dip-coating and and heating heating process
Summary
With special solid–liquid adhesion, self-cleaning [1,2,3,4,5,6,7,8,9,10,11], anti-icing [4,6,7,8,9,10,11], anticorrosion [5,9,12,13], antibacterial, and other outstanding characteristics [14,15,16], the multifunctional super-antiwetting surfaces have received extensive research attention with respect to preparations and applications. The research on the superhydrophobic materials focuses on the undegradable polymers (epoxy resin, polyurethane, polytetrafluoroethylene, polyvinyl chloride, perfluoropolyalkylether, etc.) and various metal alloys (Fe, Cu, Ni, Co) containing heavy metal ions [17,18,19,20,21,22]. With the widespread application of metals and undegradable polymers, the environmental risks of various heavy metal (especially Pb, Cu, Cd, Cr and Ni) and the plastic particle pollution are becoming serious under different corrosive medium. Degradable and superhydrophobic M/P/Z/F/H composite materials were prepared through the dip-coating method and heating process to solve the poor corrosion resistance of magnesium. The surface morphology, microstructure, adhesion strength, corrosion resistance, and selfcleaning of the superhydrophobic Mg/P/Z/F/H composite materials were subsequently characterized
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