Abstract
Experimental pure component vapor pressure data for hexafluoropropylene (R1216) and hexafluoropropylene oxide (HFPO) are presented. Experimental vapor−liquid equilibrium (VLE) data are presented at two temperatures, (273 and 313) K, for four binary systems: R1216 + toluene, HFPO + toluene, hexafluoroethane (R116) + R1216, and R116 + HFPO. The measurements were undertaken using both a “static−analytic” apparatus fitted with a pneumatic rapid online sampler injector (ROLSI) and a “static−synthetic” PVT apparatus. The experimental vapor pressure data were regressed to obtain correlated parameters for the Peng−Robinson (PR) and Soave−Redlich−Kwong (SRK) equations of state with the Mathias−Copeman α function. The binary VLE data were regressed to obtain correlated parameters for three different model combinations: the PR equation of state with the Wong−Sandler (WS) mixing rules, the PR equation of state with the modified Huron−Vidal first-order (MHV1) mixing rules, and the SRK equation of state with the WS mix...
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