Time-Temperature Superposition in Two-Phase Polyblends

  • D. Kaplan
  • N. W. Tschoegl
Part of the Polymer Science and Technology book series (POLS, volume 4)

Abstract

The temperature dependence of the mechanical properties of a 50/50 blend of PVAC and lightly crosslinked PMMA has been examined using the data of Kawai et al. The shift distances, log aT, were generated by bringing the experimental data into coincidence on master curves calculated from a Takayanagi model whose parameters were varied in different regions of temperature. This method allows one to construct a master curve for a thermorheologically complex two-phase material if the model and the mechanical properties of the constituent phases and their temperature dependence is known. The shift distances then provide insight into the intricate relations between the time and temperature dependence of the mechanical properties of the composite.

Keywords

Polystyrene Vinyl Styrene Methacrylate PMMA 

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Copyright information

© Plenum Press, New York 1974

Authors and Affiliations

  • D. Kaplan
    • 1
  • N. W. Tschoegl
    • 1
  1. 1.Division of Chemistry and Chemical EngineeringCalifornia Institute of TechnologyPasadenaUSA

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