S056032 液晶性色素の塗布における自由表面形成過程と分子配向の観察([S05603]複雑流体の流動現象(3))

概要

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Formation process of molecule oriented thin film that is applied chromonic liquid crystal on a glass substrate is investigated. In this study, the mechanism of the orientation process of the aggregates of chromonic dye induced by flow in meniscus region behind the applicator is investigated. The elongation rate of a free surface on the meniscus region is evaluated by the flow-visualization and PIV. The elongation rate in this region is almost constant and its value increases with increasing the coating velocity linearly. The length of the monotonically elongated surface is with not depended on the coating velocity. Retardation measured in this region increases with increasing the coating velocity but the relationship is not linear, which at high elongation rate its increasing rate becomes small.
一般社団法人日本機械学会の論文
2011-09-11