Abstract
The effect the viscosity of a dispersion medium of a polymethylsiloxane fluid (PMS) with a kinematic viscosity over a wide range of values from 5 to 300 cSt has on the electrorheological properties of suspensions based on nanosized titanium dioxide obtained via the sol-gel method is investigated. The investigations are conducted in a wide range of concentrations of suspensions: from 30 to 60 wt % (from 15 to 38 vol %) of the dispersed phase. The role the dispersion medium in two-phase disperse systems plays in the formation of structures of dispersed phase in the presence of an electric field is determined from the dependence of yield points of TiO2 in PMS with different viscosities on the applied electric field strength.
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Original Russian Text © O.I. Davydova, A.S. Kraev, A.A. Redozubov, T.A. Trusova, A.V. Agafonov, 2016, published in Zhurnal Fizicheskoi Khimii, 2016, Vol. 90, No. 6, pp. 939–943.
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Davydova, O.I., Kraev, A.S., Redozubov, A.A. et al. Effect of polydimethylsiloxane viscosity on the electrorheological activity of dispersions based on it. Russ. J. Phys. Chem. 90, 1269–1273 (2016). https://doi.org/10.1134/S0036024416060054
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DOI: https://doi.org/10.1134/S0036024416060054