Fabrication of hierarchical structures on concrete surfaces with superhydrophobicity using replicated micro-nano dendritic structures

다국어 초록 (Multilingual Abstract)

Concrete with superhydrophobicity can protect it from being eroded by water and reduce accumulationof dust. Herein, a green and efficient method was proposed for fabricating hierarchical structures on concretesurfaces with superhydrophobicity by directly replicating micro-nano dendritic structures fromsuperhydrophobic copper mesh to fresh concrete. Microstructures, chemical compositions and wettabilityof the as-fabricated concrete were characterized. Superhydrophobicity of the as-fabricated concretewas studied. Effect of water jet on the as-fabricated concrete was investigated. Wetting durability ofthe as-fabricated concrete were studied. Self-cleaning property was confirmed. It was found that owingto the successful replication of micro-nano dendritic structures and low surface energy stearic acid, theas-fabricated concrete displayed good superhydrophobicity, wetting durability and self-cleaningproperty.

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