Surface Microstructure and Superhydrophobic Abilities of Euphorbia Antiquorum and Euphorbia Neriifolia var. Cristata Leaves

doi:10.3969/j.issn.0251-0790.2012.03.025

Abstract

Abstract:

Euphorbia antiquorum and Euphorbia neriifolia var. cristata are desert plants with superhydrophobic abaxial epidermis of leaves and hydrophobic adaxial epidermis of leaves. Using contact angle meter, SEM and surface tension tester, we tested the superhydrophobicity, observed the surface microstructure and mea-sured the surface adhesion of their leaves. We mimicked the microstructure of the leave's surface through the solvent-evaporation-driven nano-imprint pattern transfer process, using polyvinyl alcohol(PVA) as template and polystyrene(PS) as substrate to acquire a PS film. By studying on the superhydrophobicity, surface microstructure and the surface adhesion of the film, we discovered that superhydrophobic and high-adhesive film can be built by lamellar microstructure with an average protrusion distance of 1—3 μm.

Key words: Euphorbia antiquorum, Euphorbia neriifolia var. cristata, Superhydrophobic ability, Microstructure

CLC Number:

O647

TrendMD:

ZHANG Shi-Yan, GAO Chang-Rui, DI Huan-Yu, FENG Lin. Surface Microstructure and Superhydrophobic Abilities of Euphorbia Antiquorum and Euphorbia Neriifolia var. Cristata Leaves[J]. Chem. J. Chinese Universities, doi: 10.3969/j.issn.0251-0790.2012.03.025.

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Surface Microstructure and Superhydrophobic Abilities of Euphorbia Antiquorum and Euphorbia Neriifolia var. Cristata Leaves

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