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Aggregation Stability of Colloidal Silica Sol–Polystyrene Latex Mixtures

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Abstract

The aggregation stability of silica hydrosol in the presence of polystyrene latex was studied. Electrolytes added to the system were demonstrated to promote the heteroadagulation of silica particles on the surface of polystyrene globules. Moreover, the aggregation stability of the mixed dispersion increased in an acidic region (heteroadagulation stabilization), but decreased in an alkaline region. It was disclosed that the formation of heteroadagulation complex particles in the acidic region did not decrease the sedimentation stability of the mixed dispersion and was accompanied by a decrease in its optical density.

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Authors and Affiliations

  1. Mendeleev University of Chemical Technology, Miusskaya pl. 9, Moscow, 125190, Russia

    N. A. Shabanova

  2. Al-Farabi State University of Kazakhstan, ul. Karasai Batur 95, Almaty, 480012, Kazakhstan

    T. I. Yui Tsun-sin & K. B. Musabekov

Authors
  1. N. A. Shabanova
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  2. T. I. Yui Tsun-sin
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  3. K. B. Musabekov
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Shabanova, N.A., Yui Tsun-sin, T.I. & Musabekov, K.B. Aggregation Stability of Colloidal Silica Sol–Polystyrene Latex Mixtures. Colloid Journal 63, 649–652 (2001). https://doi.org/10.1023/A:1012371607559

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  • DOI: https://doi.org/10.1023/A:1012371607559

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