Author
Wenkui Hao
Bio: Wenkui Hao is an academic researcher from State Grid Corporation of China. The author has contributed to research in topics: Materials science & Corrosion. The author has co-authored 2 publications.
Papers
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TL;DR: In this article, a self-healing coating with photothermal and pH dual-responsive properties has been designed to protect carbon steel against corrosion by loading the stimuli-responsive microcapsules into a shape memory epoxy coating.
18 citations
TL;DR: In this paper, a shape memory epoxy resin containing ethylene vinyl acetate (EVA) microspheres loaded with Ce(NO3)3 inhibitors was used for self-healing.
14 citations
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TL;DR: In this article , a smart coating integrating high-performance self-healing and sensitive self-reporting abilities was developed based on mesoporous SiO2 nanoparticles (MSN) containing both 1,10phenanthroline-5-amine (Phen-NH2) and cetyltrimethylammonium bromide (CTAB).
32 citations
TL;DR: An active corrosion protection coating was developed based on mesoporous SiO2 nanoparticles simultaneously incorporated with benzotriazole and 2-mercaptobenzothiazole inhibitors as mentioned in this paper .
15 citations
TL;DR: In this article , a dual-action self-healing coating with excellent photothermal response to both near-infrared (NIR) laser and sunlight irradiation was prepared, which was composed of a shape memory epoxy matrix embedded with poly (ε-caprolactone) (PCL) microspheres, the surface of which was covered by titanium nitride nanoparticles (TiN NPs) to achieve the superior photothermal conversion ability.
Abstract: In this work, a dual-action self-healing coating with excellent photothermal response to both near-infrared (NIR) laser and sunlight irradiation was prepared. The coating was composed of a shape memory epoxy matrix embedded with poly (ε-caprolactone) (PCL) microspheres, the surface of which was covered by titanium nitride nanoparticles (TiN NPs) to achieve the superior photothermal conversion ability. Upon light irradiation, the [email protected] composite microspheres could efficiently absorb light energy and generate sufficient heat to induce the shape memory recovery of coating defect as well as the melting of PCL to seal the scratch. Morphology observation and electrochemical measurements proved that the coating incorporated with 10 wt% of [email protected] microspheres presented an excellent self-healing performance under 30 s of NIR illumination to recover the barrier property. In addition, the photothermal conversion of [email protected] microspheres could accelerate the evaporation of water around the coating scratch, hence restraining the corrosion activity in the damaged region. The outdoor exposure test on the atmospheric corrosion monitor (ACM) covered by the coating confirmed that sunlight also benefited to achieve the prominent self-healing performance and shorten the water evaporation time, leading to much reduced corrosion current outputs hence improved corrosion protection property.
11 citations
TL;DR: In this paper , a pH-sensitive bimetallic Ce-ZIF-8 nanocontainers are loaded with BTA corrosion inhibitors and then decorated with a polydopamine (PDA) shell.
7 citations
TL;DR: In this article , the influence of the preparation process and shell-formation materials on the formation and the morphology of microcapsule have not been systematically researched, however, the authors combine photopolymerization technology and solvent evaporation to prepare micro-capsule, and comprehensively explore the effect of process conditions and shell formation materials on microcapsules.
7 citations