Deflocculants for tape casting of TiO2 slurries

作者: Zhang Jingxian , Jiang Dongliang , Lars Weisensel , Peter Greil

DOI: 10.1016/S0955-2219(03)00636-8

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摘要: Abstract Five dispersants, polycondensed fatty acid, castor oil, phosphate ester, polyvinyl butyral (B79), (B98) are used as dispersant. The dispersability of TiO 2 slurries is studied through ESA measurement, rheological characterization and FTIR test. measurement shows that the adsorption PVB79 ester physical chemical type, respectively. Rheology, TG–DTA sedimentation measurements show in absence binder, best dispersant; after addition one. dispersants on powder surface also characterized by FTIR. dispersion stability mechanism discussed.

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