ポリアクリル酸アンモニウム系分散剤を用いたBaTiO_3水系スラリーの分散性

概要

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The dispersibility of aqueous BaTiO_3 slurries with poly ammonium acrylate-based dispersant has been investigated. BaTiO_3 particles were well-dispersed in the high pH region and the adsorption behavior of dispersant strongly depended on the slurry pH. The dispersion of BaTiO_3 particles at various pH was also elucidated by characterizing the sedimentation density, viscosity of slurries, amount of adsorbed dispersant and tape-casted green sheets. The microstructures of green sheets fabricated using aqueous BaTiO_3 slurries were found to depend greatly upon the dispersion state of BaTiO_3 particles in the slurries. [Received July 7, 2003; Accepted August 29, 2003]
社団法人日本セラミックス協会の論文
2003-11-01