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Hydrophobicity mechanism of non-smooth pattern on surface of butterfly wing

机译：蝶翼表面非光滑花纹的疏水机理

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摘要

Twenty-nine species (24 genera, 6 families) of butterflies typical and common in northeast China were selected to make qualitative and quantitative studies on the pattern, hydrophobicity and hydrophobicity mechanism by means of scanning electron microscopy and contact angle measuring system. The scale surface is composed of submicro-class vertical gibbosities and horizontal links. The distance of scale is 48—91 μm, length 65—150 μm, and width 35—70 μm. The distance of submicro-class vertical gibbosities on scale is 1.06—2.74 μm, height 200—900 nm, and width 200—840 nm. The better hydrophobicity on the surface of butterfly wing (static contact angle 136.3°—156.6°) is contributed to the co-effects of micro-class scale and submicro-class vertical gibbosities on the wing surface. The Cassie equation was revised, and new mathematical models and equations were established.
机译：通过扫描电子显微镜和接触角测量系统，选择了中国东北地区常见的29种蝴蝶（24属6科）进行模式，疏水性和疏水性机理的定性和定量研究。标尺表面由亚微类的垂直弧度和水平链接组成。标尺距离为48-91μm，长度为65-150μm，宽度为35-70μm。亚微米级垂直弧度的距离为1.06-2.74μm，高度为200-900 nm，宽度为200-840 nm。蝴蝶机翼表面的疏水性更好（静态接触角136.3°—156.6°）是机翼表面微尺度水垢和亚微尺度垂直弧度的共同影响。修改了Cassie方程，并建立了新的数学模型和方程。

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