International.
Superhydrophobic surfaces attracted great attention to protect different substrates from water, dust and the corrosive environment.
In a paper called "Progress in Organic Coatings", from the Department of Chemistry, Faculty of Science, King Saud University, in Riyadh, Saudi Arabia, it was shown how they used new calcium carbonate nanomaterials modified with epoxidized fatty acid to alter the hydrophilic characteristics of epoxy resins.
The best conditions for coating glass and steel surface with hydrophobic calcium carbonate were investigated to obtain superhydrophobic surfaces.
Surface morphologies, thermal stability, crystal structure, particle sizes and shapes were also reported and discussed. The results showed that epoxy coatings embedded by an optimal CaCO3 content was 5% by weight to produce superhydrophobic epoxy with high water contact and low sliding angles.
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