AbstractEarlier studies by differential scanning calorimetry showed anomalous behavior of Tgwith varying amounts of dioctyl phthalate, while by dynamic mechanical analysis 2Tg's were found over a limited concentration range. In this study, two adjacentTg's were found over the complete range of concentrations of dioctyl phthalate or dioctyl adipate, changing in relative contributions over the range. The results are shown to be consistent with the earlier work and to fit the Couchman model more closely than other models tested.
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