Effect of Shear Rate and Volume Fraction on Agglomerative Nature of Polymer Latex
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概要
- 論文の詳細を見る
A model for predicting the latex agglomerate size during the coagulation process, when the growth and breakup of the latex agglomerates proceed simultaneously in a turbulent flow, is proposed in this paper. In this model, the size of the agglomerate was expressed as a function of the external shear force, the strength of the agglomerate, and the volume fraction of the slurry. The strength of the latex agglomerate was determined by a measurement of the slurry rheology in accordance with Usui’s approach, where an inter-particle bonding energy between primary particles was calculated from the viscosity data. With this model, it was possible to predict the absolute size of the cluster in the turbulent flow. To confirm the validity of this model, the latex was agglomerated in various agitation conditions in the stirring vessel, while the dependence on volume fraction was also examined. The relation between the experimentally determined latex agglomerate sizes and the calculated agglomerate sizes from the proposed model was evaluated.
- 2009-03-01
著者
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SUZUKI Hiroshi
Graduate School of Pharmaceutical Sciences, The University of Tokyo
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Suzuki Hiroshi
Graduate School Of Pharmaceutical Sciences The University Of Tokyo
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薄井 洋基
神戸大学
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Usui Hiromoto
Dep. Of Chemical Sci. And Engineering Kobe Univ.
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Usui H
Yamaguchi Univ. Ube Jpn
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薄井 洋基
神戸大
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薄井 洋基
Dep. Of Chemical Sci. And Engineering Kobe Univ.
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UEDA Takashi
Process Technology & Research Group, Production Technology Laboratory, Production Technology Divisio
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FUKUI Masatsugu
Graduate School of Science and Technology, Kobe University
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KOMODA Yoshiyuki
Graduate School of Science and Technology, Kobe University
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USUI Hiromoto
Graduate School of Science and Technology, Kobe University
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Komoda Yoshiyuki
Department Of Chemical Science And Engineering Kobe University
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Ueda Takashi
Process Technology & Research Group Production Technology Laboratory Production Technology Divis
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Fukui Masatsugu
Graduate School Of Science And Technology Kobe University
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Suzuki Hiroshi
Department Of Chemical Science And Engineering Kobe University
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Komoda Yoshiuki
Graduate School of Science and Technology, Kobe University
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SUZUKI Hiroshi
Graduate School of Computer Science and System Engineering Kyushu Institute of Technology
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