The influence of ionic and nonionic surfactants on aggregative stability and electrical surface properties of aqueous suspensions of titanium dioxide

  • Tkachenko N
  • Yaremko Z
  • Bellmann C
 et al. 
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Abstract

The influence of concentration of nonionic TRITON X-100 and anionic ATLAS G-3300 surfactants, and pH of medium on the size and zeta-potential of TiO2particles in the water suspensions has been studied. Suspensions have been prepared by mixing of the titanium dioxide in the suitable mediums at 10 min and 6 h correspondingly. It was established, that the duration of mixing of the suspensions has an essential influence on the dependence of zeta-potential and size of particles versus concentration of surfactant. However, the duration of mixing does not influence the dependence of electrical conductivity and pH of the suspensions on concentration of surfactant. It is shown that anionic ATLAS G-3300 surfactant is more effective stabilizator of aqueous suspensions of titanium dioxide, than nonionic surfactants of TRITON X-100. It is found that hydrophobic interaction has important role in the processes of stabilization of suspensions for nonionic surfactant, and for anionic surfactant-moving of ψδ-planes into solution's depth. © 2006 Elsevier Inc. All rights reserved.

Author-supplied keywords

  • ATLAS G-3300
  • Aggregative stability
  • Electrical surface properties
  • TRITON X-100
  • Titanium dioxide

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Authors

  • Nataliya H. Tkachenko

  • Zinoviy M. Yaremko

  • Cornelia Bellmann

  • Mykhaylo M. Soltys

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