期刊
APPLIED SURFACE SCIENCE
卷 529, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2020.147027
关键词
Micro-pattern; Anisotropic superhydrophobicity; Melt hot-pressing; Thermoplastic polymer; Mechanical stability
类别
资金
- National Natural Science Foundation of China [51873199]
- Program for Innovative Research Team (in Science and Technology) in University of Hennan Provience [20IRTSTHN002]
Recently, anisotropic superhydrophobic surfaces have aroused much attention due to their promising applications. However, large-area fabrication of low-cost superhydrophobic surfaces with obvious anisotropicity is still a huge challenge. In this work, a home-made melt hot-pressing method was proposed to facilely fabricate aligned micro-patterns on high-density polyethylene surface. Such surface displays anisotropic superhydrophobic characteristic with a static water contact angle of 152 degrees and 145 degrees respectively in parallel and perpendicular direction. Moreover, it has low surface adhesion and decent mechanical stability, showing promising applications for hydraulic triboelectric generator with self-cleaning ability, milk residue reduction and drag reduction. Considering the facile fabrication process and inexpensive thermoplastic polymer used, this study not only provides the possibility of large-area and low-cost preparation of orderly patterned surfaces with anisotropic superhydrophobicity, but also opens a new pathway toward wide application of anisotropic superhydrophobic surface.
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