THE EFFECT OF Na2SO4 ON THE STABILIZATION OF TiO2 AQUEOUS DISPERSIONS BY POLYSTYRENE SULFONATE

The adsorption of sodium polystyrene sulfonate (PSSNa) on TiO 2 in aqueous dispersion has been investigated in pure water and in the presence of different concentrations of sodium sulphate. The stability of TiO 2 dispersions in PSSNa and Na 2 SO 4 solutions has also been studied. Correlation between...

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Bibliographic Details
Published in:Journal of dispersion science and technology 1997-01, Vol.18 (1), p.63-71
Main Authors: Ricceri, R., Gabrielli, G.
Format: Article
Language:English
Online Access:Get full text
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Summary:The adsorption of sodium polystyrene sulfonate (PSSNa) on TiO 2 in aqueous dispersion has been investigated in pure water and in the presence of different concentrations of sodium sulphate. The stability of TiO 2 dispersions in PSSNa and Na 2 SO 4 solutions has also been studied. Correlation between adsorption isotherms,zeta potential data and stability measurements has shown that the specific adorption of sulphate anions influences the adsorption of PSSNa and then the stability of the dispersions. The adding of proper amounts of Na 2 SO 4 increases the stability of TiO 2 dispersions in PSSNa solutions.
ISSN:0193-2691
1532-2351
DOI:10.1080/01932699708943717