Corrosion resistance conferred by superhydrophobic fluorinated polyacrylate–silica composite coatings on cold‐rolled steel | Zendy

Weng ChangJian | Zendy; Peng ChihWei | Zendy; Chang ChiHao | Zendy; Chang YaHan | Zendy; Yeh JuiMing | Zendy

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Corrosion resistance conferred by superhydrophobic fluorinated polyacrylate–silica composite coatings on cold‐rolled steel

Author(s) -

Weng ChangJian,

Peng ChihWei,

Chang ChiHao,

Chang YaHan,

Yeh JuiMing

Publication year - 2012

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.36380

Subject(s) - corrosion , materials science , coating , contact angle , electrochemistry , composite number , composite material , electrolyte , aqueous solution , metallurgy , chemical engineering , electrode , chemistry , organic chemistry , engineering

The superhydrophobic surface (SHS) applied for corrosion protection in this study was prepared from an organic fluorinated polyacrylate incorporated with methyltriethoxysilane (MTES)‐based silsesquioxanes spheres. The SHS, with a contact angle of about 153.2°, was coated onto the surface of cold‐rolled steel (CRS) with spin‐coating technology. The coating materials applied as anticorrosive coatings were based on a series of electrochemical corrosion‐protection measurements in saline conditions. The SHS coating on CRS was found to provide superior corrosion protection to that of the hydrophobic organic coating in a series of electrochemical measurements in 3.5 wt % aqueous NaCl electrolyte. This form of coating could also provide better corrosion protection to coated CRS substrates and could serve as an effective barrier against aggressive species. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

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