Preparation and surface properties of transparent UV-resistant petal effect superhydrophobic surface based on polybenzoxazine

The rose petal shows super water repellence together with high adhesion of water, which was named as pinned effect or petal effect. In this work, the petal effect superhydrophobic surface based on polybenzoxazine was prepared by one-step thermal curing method. The highest water CA was 161.5 degrees. The droplets could be pinned to the surface and could not roll off, even when it was turned upside down. The morphological characterization of the samples was characterized by SEM, which exhibited that the surface had micro- and nano- structures. Meanwhile, it also possessed excellent surface properties, such as good UV-resistance, transparent property, thermal stability and strong adhesion to substrate which made it possible to apply in academic research and industrial applications. (C) 2015 Elsevier B.V. All rights reserved.