A scheme has been developed using the group contribution lattice‐fluid equation of state (GCLF‐EOS) to predict the pressure‐volume‐temperature (PVT) behavior of polymers in the amorphous state. The model requires only the structure of the molecule as input information. Prediction results with an average error of 2% have been obtained for a wide variety of polymers. A table of 23 different group contributions is presented. With this set of group parameters, the GCLF‐EOS can be applied in the prediction of equation of state properties of a wide variety of homopolymers, random copolymers, and polymer blends.
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Parekh et al. (1995) studied this question.
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