Film Formation Kinetics in the Drying Process of Polymer Solution Enclosed by Bank
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概要
- 論文の詳細を見る
The drying of a thin film of oligomeric polymer solution placed on a substrate enclosed by a bank is studied by confocal microscopy. It is found that the final polymer film has a crater near the center, but the depth of the crater varies considerably depending on the initial polymer concentration and the initial volume of the droplet. The observation of the time evolution of the thickness profile reveals that the final shape is determined by the process of solidification: as the solvent evaporates, the solidified region starts near the edge of the droplets and propagates toward the center. The relationship between the thickness profile and the initial polymer concentration and the droplet volume is explained qualitatively.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2009-03-25
著者
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Doi Masao
Department Of Applied Physics Faculty Of Engineering Nagoya University
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YAMAUE Tatsuya
Department of Physics, Kyoto University
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Kajiya Tadashi
Department Of Applied Physics The University Of Tokyo
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Kajiya Tadashi
Department of Applied Physics, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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Jung Youngki
Department of Applied Physics, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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Doi Masao
Department of Applied Physics, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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Yamaue Tatsuya
Department of Applied Physics, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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