Electrophoretic Deposition on Anodes from Aqueous Titania Suspensions with Titanate Solution |
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| Journal | Key Engineering Materials (Volume 412) |
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| Volume | Electrophoretic Deposition: Fundamentals and Applications III |
| Edited by | A. R. Boccaccini, O. van der Biest, R. Clasen, T. Uchikoshi |
| Pages | 313-316 |
| DOI | 10.4028/www.scientific.net/KEM.412.313 |
| Citation | Osamu Sakurada et al., 2009, Key Engineering Materials, 412, 313 |
| Online since | June, 2009 |
| Authors | Osamu Sakurada, Mizuki Komaba, Seizo Obata, Minoru Hashiba, Yasutaka Takahashi |
| Keywords | Aqueous Suspension, Electrophoretic Deposition (EPD), Hydroquinone, Titanate Solution, Titania |
| Abstract | Titanate aqueous solution (TTIP-Lac) prepared by direct reaction of titanium tetraisopropoxide (TTIP) with lactic acid (Lac) in water shows characteristics of a polyanion and acts as a dispersant for preparing titanate suspension. Electrophoretic deposition (EPD) of aqueous titania suspensions was investigated with TTIP-Lac as a dispersant and hydroquinone (HQ) as an effective additive for bubble-free EPD of the aqueous system. The oxygen produced electrolytically by the EPD process at basic pH would be consumed by the chemical oxidation of HQ to quinone (Q). Bubble-free titania depositions were fabricated on anodes by EPD. A fired density with 99% theoretical density was obtained. |
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