On a General Relation Involving the Glass Temperature and Coefficients of Expansion of Polymers

Simha, Robert; F. Boyer, Raymond

doi:10.1063/1.1733201

Public

On a General Relation Involving the Glass Temperature and Coefficients of Expansion of Polymers

Published in The Journal of Chemical Physics • Sep 1, 1962

Authors:

Robert Simha

Raymond F. Boyer

Abstract

Treating the glass temperature TG of polymers as an iso-free volume state allows one to derive the result (αL—αG). TG=K1, a constant; or the approximate result αLTG=K2, another constant. The α's are the coefficients of cubical expansion for 100% amorphous polymer above and below TG. K1 is 0.113 for ...

Subject

Thermal expansion

Polymer

Glass transition

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