Macroscopic-wetting anisotropy on the line-patterned surface of fluoroalkylsilane monolayers

Micropatterned fluoroalkylsilane monolayer surfaces with liquidphilic/liquidphobic area (line width 1-20 microm) were prepared with few defects by vacuum ultraviolet (VUV) photolithography. The anisotropic wetting of a macroscopic droplet with a 0.5-5 mm diameter on the micropatterned surfaces was i...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 21(2005), 3 vom: 01. Feb., Seite 911-8
1. Verfasser: Morita, Masamichi (VerfasserIn)
Weitere Verfasser: Koga, Tomoyuki, Otsuka, Hideyuki, Takahara, Atsushi
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Macroscopic-wetting anisotropy on the line-patterned surface of fluoroalkylsilane monolayers 
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520 |a Micropatterned fluoroalkylsilane monolayer surfaces with liquidphilic/liquidphobic area (line width 1-20 microm) were prepared with few defects by vacuum ultraviolet (VUV) photolithography. The anisotropic wetting of a macroscopic droplet with a 0.5-5 mm diameter on the micropatterned surfaces was investigated. The strong anisotropy of the contact angle and the sliding angle and droplet distortion for fluoroalkylsilane/silanol patterned surfaces was attributed to the difference in the energy barrier of wetting between parallel and orthogonal lines. The wetting anisotropy decreased with decreases in the liquidphilic area. Fluoroalkylsilane/alkylsilane patterned surfaces with small differences in the surface free energies of the components showed anisotropic wetting only for the low-surface-tension liquids 
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700 1 |a Otsuka, Hideyuki  |e verfasserin  |4 aut 
700 1 |a Takahara, Atsushi  |e verfasserin  |4 aut 
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