材料科学
涂层
复合材料
接触角
碳纳米管
图层(电子)
纳米结构
复合数
磨损(机械)
光热治疗
纳米技术
作者
Yang Liu,Yawei Shao,Yanqiu Wang,Junyi Wang
标识
DOI:10.1002/adem.202300188
摘要
Linearly structured carbon nanotubes (CNTs) are intertwined to form complex micro‐ and nanoscale structural undulations, and the structural undulations of the coating are further enhanced using large‐size nano‐SiO 2 . It can be prepared by the composite superhydrophobic coating (S‐C coating) with contact angle of 165.3° and sliding angle of 1°. Small‐size nano‐SiO 2 can doped into the 3D‐network structure formed by the CNTs and act as anchor points to fix the structure. This enhances the stability of the coating as well as the abrasion resistance. The coating exhibits good long‐term durability and the ability to face harsh service environments. Due to the presence of the air layer with low heat transfer rate on the coating surface, the S‐C coating demonstrates good anti‐icing properties compared to the uncoated tinplate. By the lower surface free energy and contact area with the ice layer of the coating, the coating also exhibits good deicing performance. The ice adhesion strength of the coating is only 11.5 kPa. The photothermal properties of CNTs and the ability of the micro‐ and nanostructure to reflect light enable the coating to exhibit excellent photothermal properties. This also accelerates the melting and shedding of the ice layer on the coating.
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