一般情况下，超疏水表面可以通过两种方法来制备：在疏水性表面构建粗糙结构或者在粗糙表面修饰低表面能物质。
One is to create a rough structure on a hydrophobic surface, and the other is to modify a rough surface by materials with low surface free energy.
并根据“荷叶自洁效应”的仿生学原理，利用超微粉在涂层表面构造粗糙结构，提高其疏水性。
According to the theory of bionics and powders was used to build a coarse structure onto the surface of the coating, and the hydrophobicity was highly improved.
采用丙烯酸树脂对水性聚氨酯改性，研究了经丙烯酸树脂改性的水性聚氨酯的结构设计及其规律。
The structural design and its rule of water borne polyurethane modified with acrylic resin was studied in this paper.
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