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2020•Polymer Science Series ARequires access

On the Temperature Dependence of the Glass Transition Activation Energy

Д. С. Сандитов, I. V. Razumovskaya, А. А. Машанов

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Abstract

Abstract The temperature dependence of the glass transition activation energy for amorphous organic polymers and inorganic glasses is calculated using the Williams–Landel–Ferry equation for the relaxation time (viscosity). The results obtained are in satisfactory agreement with the experiment. The nature of the dependence of the glass transition activation energy on the temperature is discussed.

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Abstract The temperature dependence of the glass transition activation energy for amorphous organic polymers and inorganic glasses is calculated using the Williams–Landel–Ferry equation for the relaxation time (viscosity). The results obtained are in satisfactory agreement with the experiment. The nature of the dependence of the glass transition activation energy on the temperature is discussed.

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Available abstract

Abstract The temperature dependence of the glass transition activation energy for amorphous organic polymers and inorganic glasses is calculated using the Williams–Landel–Ferry equation for the relaxation time (viscosity). The results obtained are in satisfactory agreement with the experiment. The nature of the dependence of the glass transition activation energy on the temperature is discussed.

Key concepts: Glass transition, Activation energy, Amorphous solid, Thermodynamics, Relaxation (psychology), Viscosity, Materials science, Polymer

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