Journal of Materials Science

, Volume 29, Issue 12, pp 3177–3184 | Cite as

The influence of mixture anionic and non-ionic surfactants on the surface free energy of cassiterite

  • B. Jańczuk
  • M. L. González-Martín
  • J. M. Bruque


The measurements of the contact angle were made for water, glycerol, formamide, diiodomethane and bromoform on a cassiterite surface covered with a mixed film of SDS and TX-100 formed by adsorption from solution of SDS and TX-100 at different molar fraction at a constant concentration equal to 2×10−4m. Using the contact angles the dispersion and non-dispersion or Lifshitz-van-der-Waals and acid-base components of the surface free energy of cassiterite covered with a mixed film of SDS and TX-100 were evaluated. These components were compared to those for a “bare” cassiterite surface. Also, the electron-acceptor and electron-donor parts of the acid-base components were determined. On the basis of the measurements and calculations synergetic effects were found in the wettability and surface free energy of cassiterite when it was covered with the mixed film.


Polymer Surfactant Glycerol Free Energy Contact Angle 
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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • B. Jańczuk
    • 1
  • M. L. González-Martín
    • 1
  • J. M. Bruque
    • 1
  1. 1.Departamento de FisícaUniversidad de ExtremaduraBadajozSpain

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