Beetle-inspired paint

According to a paper recently published in Royal Society of Chemistry journal RSC Advances, a team led by Youfa Zhang of Southeast University, China, discovered they could create a simple paint that mimics the way a desert beetle’s skin both attracts water and then repels it towards its mouth.

Image: RSC

By coating two facing surfaces with this paint, condensed water trapped in air can be ‘bounced’ together into droplets, resulting in them falling into a collection vessel below. And because the system is passive, it doesn’t need power to collect the water. The solution, which can be applied as a spray, could also result in new water proof clothing, fog-resistant car windows and extremely rapid water drainage.

Further information: RSC Adv., 2020, 10, 282–288, DOI: 10.1039/C9RA09329J

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