Abstract

Superhydrophobic coating was fabricated by spraying the mixture of poly (methyl methacrylate) (PMMA) and hydrophobic silica nanoparticles (SNs) on steel surface. Anti-icing tests were carried out in two ways: freezing water (0°C) dripping and condensation of atmospheric humidity in low temperature (−20°C). In the water dripping test, no ice film could be observed compared with steel substrate, due to the bouncing behavior of water droplet; while in the condensing condition, the superior anti-icing behavior could be attributed to the overcooled water that formed on superhydrophobic coating. Besides, the prepared surface exhibited outstanding anti-corrosion character.

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