Electrophoretic Deposition on Anodes from Aqueous Titania Suspensions with Titanate Solution

Abstract:

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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.

Info:

Periodical:

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:

O. Sakurada et al., "Electrophoretic Deposition on Anodes from Aqueous Titania Suspensions with Titanate Solution", Key Engineering Materials, Vol. 412, pp. 313-316, 2009

Online since:

June 2009

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Price:

$35.00

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