期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 114, 期 -, 页码 233-241出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2022.07.013
关键词
Waste printed circuit board; Liquid -infused surface; Corrosion; Anti -freezing; Anti -fouling; Biomimetics
This paper investigates the use of waste printed circuit board (WPCB) epoxy resin to inhibit metal corrosion. By developing a three-step method, a WPCB-based slippery liquid-infused porous surface (W-LIS) is created, which exhibits excellent properties for metal corrosion prevention.
Finding appropriate usage of waste printed circuit board (WPCB), a kind of electronic trash, is an impor-tant task from background of environment protection and waste management. Due to the intrinsic high hindrance barrier capability, recycled epoxy resin in rich source from WPCB gives opportunity for corro-sion protection of metals based on Two birds with one stone ideology. One stone in this ideology is to apply waste as resource, and two birds respectively indicate using PCB waste as valuable material and inhibit-ing metal corrosion. In this paper, by combining biomimetics strategy, we adopt a three-step method including anodic oxidation, hydrophobic treatment and infusion of composite containing epoxy resin from WPCB and dimethyl silicone oil to finally form WPCB based slippery liquid-infused porous surface (W-LIS). Morphology, composition, wettability and electrochemical properties are characterized by sophisticated techniques. Adding recycled hydrophobic/oleophilic epoxy resin from WPCB into oil phase can effectively increase the barrier effect and raise anticorrosion ability. Moreover, W-LIS delivers anti -freezing adhesion and biofouling inhibition property, which is obviously superior to LIS and lotus inspired superhydrophobic (SHS) coating. The various excellent performances of W-LIS indicate epoxy resin from waste printed circuit board can act a versatile role in field of metal corrosion prevention. (c) 2022 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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