| Summary: | 碩士 === 國立臺灣科技大學 === 化學工程系 === 97 === A vapor pressure apparatus was installed to measure isothermal vapor-liquid
equilibrium (VLE) data for seven binary systems of polybutadiene + methylene chloride
(341.1 to 409.0) K, polyethylene glycol mono-4-octylphenyl ether (PEGOPE) + methanol
at (341.0 to 403.1) K, PEGOPE + ethanol at (342.6 to 454.1) K, PEGOPE + 2-propanol at
(350.1 to 453.3) K, polyethylene glycol mono-4-nonylphenyl ether (PEGNPE) + methanol
at (340.6 to 414.7) K, PEGNPE + ethanol at (341.9 to 414.1) K, and PEGNPE +
2-propanol at (351.5 to 454.5) K. Equilibrium pressure measurements were conducted to
obtain P-T-x data. The experimental data were correlated by using the Antoine equation to
regress the Antoine constants. These VLE data were further treated using the Barker’s
method and correlated with the UNIQUAC and the Polymer NRTL activity coefficient
models, respectively. The correlation results showed good agreement between the
calculated values and the experimental data. The solvent activities of the experimental
results are also reported and agree fairly well with the calculated values from the
UNIQUAC equation.
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