The problem of stability of a silica hydrosol in presence of various aliphatic alcohols

  • G. Peschel
  • K. Tüssner
  • M. Droschinski
Part of the Progress in Colloid & Polymer Science book series (PROGCOLLOID, volume 101)


The stability of a silica hydrosol in the presence of simple aliphatic alcohols was investigated via measuring the coagulation kinetics of the silica particles. Formation of aggregates was measured by photon correlation spectroscopy. The hydrosol stability decreased in the order of methanol, iso-propanol, ethanol, propanol and n-butanol added to the hydrosol. The effect is ascribed to hydrophobic particles-particle interaction. They exposed roll of isoprophyl alcohol could be manifested by testing the water structure modifying properties of the alcohols using the CU++-ion as a spectroscopic probe for the state of water structure in the alcoholic solution.

Key words

Hydrosol stability coagulation kinetics aliphatic alcohols photon correlation spectroscopy UV/VIS-spectroscopy 


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    Sonntag H (1977) Lehrbuch der Kolloidwissenschaft, VEB Deutscher Verlag der Wissenschaften, Berlin, p 128Google Scholar
  2. 2.
    Lu SC (1990) Colloid J USSR 52:743Google Scholar
  3. 3.
    Lu SC (1991) Colloids Surfaces 57:49CrossRefGoogle Scholar
  4. 4.
    Dai Z, Lu SC (1991) Colloids Surfaces 57:61CrossRefGoogle Scholar
  5. 5.
    Lu SC (1991) Colloids Surfaces 57:73CrossRefGoogle Scholar
  6. 6.
    Peschel G, von Teubern, being preparedGoogle Scholar
  7. 7.
    Ludwig P, Peschel G (1988) Progr Colloid Polym Sci 76:42Google Scholar
  8. 8.
    Ludwig P, Peschel G (1988) Progr Colloid Polym Sci 77:146Google Scholar
  9. 9.
    Peschel G, von Brevern (1991) Progr Colloid Polym Sci 84:405CrossRefGoogle Scholar
  10. 10.
    Sonntag H, Strenge K (1970) Koagulation und Stabilität disperse Systeme, BerlinGoogle Scholar
  11. 11.
    Verwey EJW, Overbeek JTG (1948) Theory of the Stability of Lyophobic Colloids. Elsevier, New YorkGoogle Scholar
  12. 12.
    Versmold H, Härtl W (1983) J Chem Phys 79:4006CrossRefGoogle Scholar
  13. 13.
    Stöber W, Fink A, Bohn E (1968) J Colloid Interf Sci 26:62CrossRefGoogle Scholar
  14. 14.
    Franks F (ed) (1975) Water. A Comprehensive Treatise. Voll 4, Plenum, New YorkGoogle Scholar
  15. 15.
    Franks F (ed) (1973) Water. A Comprehensive Treatise. Vol 2 and 3, Plenum, New YorkGoogle Scholar
  16. 16.
    Luck W (1964) Fortchr Chem Forsch 64:653Google Scholar
  17. 17.
    Kober F (1988) Grundlagen der Komplexchemie, de Gruyter, BerlinGoogle Scholar
  18. 18.
    Drost-Hansen W (1971) In: Brown HD (ed) Chemistry of the Cell Interface, Academic Press, New York, p 3Google Scholar

Copyright information

© Steinkopff Verlag 1996

Authors and Affiliations

  • G. Peschel
    • 1
  • K. Tüssner
    • 1
  • M. Droschinski
    • 1
  1. 1.Institut für Physikalische und Theoretische ChemieUniversität EssenEssenFRG

Personalised recommendations