Durable superhydrophobic silica/epoxy resin coating for the …
The epoxy resin was scraped onto the Q235 carbon steel with a blade to prepare an epoxy coating with a thickness of 10–15 µm (scraper coating machine, DK-TB-B). The superhydrophobic layer modification solution was prepared in advance by mixing silica with 30 mL ethanol in a 1 % mass ratio for ultrasonic dispersion.
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