Stress-Temperature Behavior of Stretched Trans-Polyisoprene Networks in the Crystallization Region

  • Der Gun Chou
  • K. J. SmithJr.


Stretched networks of trans-polyisoprene (or gutta percha) exhibit interesting stress-temperature profiles as temperature passes through the crystallization zone.1 Upon cooling, stress turns sharply downward, then climbs back to a high level as temperature continues to fall, Subsequent reheating causes the stress to fall precipitously to a negative value, then after an interval of several degrees ascend steeply back into the positive domain as melting is completed. It is generally believed that the heating phase of the cycle produces a stress-temperature profile more indicative of equilibrium conditions.


Secondary Nucleation Valley Width Dicumyl Peroxide Positive Domain Amorphous Network 
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Copyright information

© Springer Science+Business Media New York 1986

Authors and Affiliations

  • Der Gun Chou
    • 1
  • K. J. SmithJr.
    • 1
  1. 1.Department of ChemistrySUNY College of Environmental Science and ForestrySyracuseUSA

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