Thermomechanical Analysis of Frozen Aqueous Systems

  • T. J. Maurice
  • Y. J. Asher
  • S. Thomson
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 302)

Abstract

Thermomechanical Analysis (TMA), using the parallel-plate-rheometer mode of the DuPont 943 TMA, was used to evaluate the softening properties of frozen aqueous carbohydrate model systems. A sample (of fixed dimension) of frozen solution was placed between the parallel plates and cooled to −80°C. The sample was then heated at a linear heating rate of 2°C/min to +15°C. The dimension change was plotted as a function of temperature or time, and an estimate was made of the glass transition point and of the thermal softening behavior of the system. Good agreement was found with previously published glass transition data for similar frozen carbohydrate model systems measured by differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA).

Keywords

Differential Scanning Calorimetry Glass Transition Glass Transition Temperature Dynamic Mechanical Analysis Rice Starch 
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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • T. J. Maurice
    • 1
  • Y. J. Asher
    • 1
  • S. Thomson
    • 1
  1. 1.Ault Foods Ltd.LondonCanada

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