Glass Physics and Chemistry

, Volume 33, Issue 3, pp 226–231 | Cite as

Investigation of the influence of temperature on polyelectrolyte microcapsules

  • A. V. Dubrovskii
  • L. I. Shabarchina
  • Yu. A. Kim
  • B. I. Sukhorukov
Proceedings of the Topical Meeting of the European Ceramic Society “Structural Chemistry of Partially Ordered Systems, Nanoparticles, and Nanocomposites” (St. Petersburg, Russia, June 27–29, 2006)


The heat sensitivity of hollow polyelectrolyte microcapsules consisting of an even or odd number of alternating layers of poly(allylamine) and poly(styrenesulfonate) is investigated by light scattering and confocal microscopy. The polyelectrolyte microcapsules are prepared using CaCO3 microspherulites as “core” dispersed particles. It is demonstrated that the size of capsules with an even or odd number of layers decreases with an increase in the temperature and time of heat treatment. The heat sensitivity of the polyelectrolyte microcapsules is estimated from the activation energy required for changing the parameters of their initial structure under heating. It is shown that the heat sensitivity of the polyelectrolyte microcapsules with an odd number of layers is higher than the heat sensitivity of the polyelectrolyte microcapsules with an even number of layers. A possible mechanism responsible for the change in the structural parameters of the microcapsules upon heat treatment is proposed.


Glass Physic Allylamine Light Scattering Intensity Ionogenic Group Heat Sensitivity 
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Copyright information

© Pleiades Publishing, Ltd. 2007

Authors and Affiliations

  • A. V. Dubrovskii
    • 1
  • L. I. Shabarchina
    • 1
  • Yu. A. Kim
    • 2
  • B. I. Sukhorukov
    • 1
  1. 1.Institute of Theoretical and Experimental BiophysicsRussian Academy of SciencesPushchino, Moscow oblastRussia
  2. 2.Institute of Cell BiophysicsRussian Academy of SciencesPushchino, Moscow oblastRussia

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