Abstract
A hole theory of polymer glasses is presented, in which the glassy state is distinguished from the liquid state by the freezing of holes. The equation of state, internal pressure, and cohesive energy density are derived. The results of the theory are compared with experimental observations with the use of the molecular parameters obtained in the preceding paper. The hole theory can semiquantitatively explain the decrease of internal pressure on glass formation.The free volume at the glass transition temperature and the correlation of the glass transition temperature to cohesive energy density are also discussed.
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Nose, T. A Hole Theory of Polymer Liquids and Glasses. II. Glass Transition and Glassy State; Equation of State. Polym J 2, 427–436 (1971). https://doi.org/10.1295/polymj.2.427
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DOI: https://doi.org/10.1295/polymj.2.427