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Thermoelastic behaviour of polyvinylacetate monolayers at the air-water interface: Evidences for liquid-solid phase transition

  • F. Monroy
  • F. Ortega
  • R.G. Rubio

Abstract:

The thermoelastic behaviour of polyvinylacetate monolayers spread on an aqueous subphase has been studied using rheological data previously published (Monroy et al., Phys. Rev. E 58, 7629 (1998)). The results show fluid-like viscoelastic behaviour well above a transition temperature \(\), while at lower temperatures a soft solid-like behaviour emerges. The correlation between thermodynamic and elastic properties below \(\) can be described in terms of scaling laws.

PACS. 68.10.-m Fluid surfaces and fluid-fluid interfaces - 68.10.Et Interface elasticity, viscosity, and viscoelasticity - 68.60.-p Physical properties of thin films, nonelectronic - 82.65.Dp. Thermodynamics of surfaces and interfaces 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2000

Authors and Affiliations

  • F. Monroy
    • 1
  • F. Ortega
    • 2
  • R.G. Rubio
    • 2
  1. 1.Laboratoire de Physique des Solides, Bâtiment 510, Université Paris-Sud, 91405 Orsay Cedex, FranceFR
  2. 2.Departamento de Química Física I, Facultad de Ciencias Químicas, Universidad Complutense, 28040 Madrid, SpainES

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