A HYDROPHOBIC IMPACT TEXTURED SURFACE AND A METHOD OF MAKING THE SAME

A hydrophobic impact textured surface and a method of making the same are provided. In an embodiment, an article having an impact textured surface comprises a plurality of vertical pillars; and a plurality of annular impact features; wherein a first portion of the vertical pillars are located in an annulus of the plurality of annular impact features and a second portion of the vertical pillars arelocated in an area around the plurality of annular impact features; a height of the plurality of annular impact features is at least 10 nanometers greater than a height of the plurality of vertical pillars. In another embodiment, the method comprises molding the impact textured surface from a mold comprising a plurality of holes and a plurality of annular track features; wherein the plurality ofholes correspond to the plurality of pillars and the plurality of annular track features correspond to the plurality of annular impact features. 本发明提供了疏水冲击结构化表面及其制备方法。在一个实施方式中，具有冲击结构化表面的制品包括多个垂直柱；和多个环形冲击部件；其中垂直柱的第一部分位于多个环形冲击部件