Abstract
The equilibrium pressure-volume-temperature properties and thermoelastic behavior of kaolin-filled composites of the injection molding grade of high density polyethylene (HDPE) were studied in the temperature interval 423–473 K and in thepressure range 30–100 MPa. It was established that the HDPE melts in filled composites existed in a somewhat expanded, more compressible state. This effect was quantitatively accounted for by the increased number of external degrees of freedom derived from the Simha-Somcynsky equation of state. The effect of the coupling agent on thermal diffusivities and specific heat capacities of filled samples turned out negligibly small.
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Privalko, V.P., Korskanov, V.V., Privalko, E.G. et al. Composition-Dependent Properties of Polyethylene/Kaolin Composites: VI. Thermoelastic behavior in the melt state. Journal of Thermal Analysis and Calorimetry 59, 509–516 (2000). https://doi.org/10.1023/A:1010149726679
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DOI: https://doi.org/10.1023/A:1010149726679