Jong Hyun Lee, Kyoung Je Cha,

Journal of Advanced Technology Research, Vol. 7, No. 2, pp. 1-7, Dec. 2022
10.11111/JATR.2022.7.2.001, Full Text:
Keywords: Polycarbonate, Superhydrophobic, Anti-icing, microinjection molding, condition optimization, Micro/nano structured pattern
Abstract

In a low-temperature environment, physical changes such as freezing, solidification and shrinkageoccur in plastic products.These changes cause problems such as insulation failure, mechanical failure, strength reducing, and wear increasing. In order to overcome the problems, many researches on superhydrophobic surfaces with a contact angle of 150° or more are actively conducted for obtaining the anti-icing property. To get the superhydrophobic surface, it is important to reduce the surface energy through the micro/nanostructured patterns and form an air layer between the patterns. In this study, we have proposed a fabrication method of microstructured patterned surface by micro-injection molding process with polycarbonate, and then to realize a micro/nanostructured superhydrophobic surface by using a nanosilica-based water-repellent coating agent.

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