C03 機械加工による表面のぬれ性制御(OS-12 ナノ加工と表面機能(1))

概要

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This paper shows a micro fabrication to control the functionality on a surface. The surface functions are controlled with the shape and the alignment of the micro-scale structures, which can be machined in the incremental stamping with the structured tool and the plastic molding. The effect of the pillar shape and the alignment on wettability is measured in the droplet tests. The contact angle on the cylindrical pillars array with isotropic alignment follows the Cassie-Baxter model well. The wettability is also observed on the plastic plate deposited by the thin metal layer. The surface property changes from hydrophobic to hydrophilic wettability with decreasing the contact angle. The structured surface deposited by the thin gold layer also changes the wettability with the solid fraction.
社団法人日本機械学会の論文
2008-11-21