Roll–to–Roll Manufacturing of Robust Superhydrophobic Coating on Metallic Engineering Materials

Shuliang Dong, Zhenlong Wang, Yukui Wang, Richard Fu, Xuelin Bai, Bin Guo, Chaoliang Tan, Jia Zhang, Pingan Hu

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)
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Abstract

Creating a robust superhydrophobic surface on the conventional engineering materials at mass production is of great importance for self–cleaning, anti–icing, non–wetting surface and low flow resistance in industrial applications. Herein, we report a roll–to–roll strategy to create durable and robust superhydrophobic surfaces with designed micro–/nano– scale hierarchical structures on many conventional engineering materials by combining electrical discharge machining, coating of carbon nanoparticles, and followed by oil penetration and drying. The treated surface shows good superhydrophobic properties with static water contact angle of 170±2o and slide angle of 3±1o. The treated surface also exhibits good resilience and maintains the performance after tested in various harsh conditions including water flushing for several days, sand abrasion, scratching with sandpapers and corrosive solution. Significantly, the superhydrophobic surfaces also shows a high efficiency of self–cleaning properties even after oil–contamination during applications.
Original languageEnglish
Pages (from-to)2174-2184
JournalACS Applied Materials and Interfaces
Volume10
Issue number2
Early online date21 Dec 2017
DOIs
Publication statusPublished - 17 Jan 2018

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