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http://dx.doi.org/10.9713/kcer.2015.53.2.193

High-Pressure Phase Behavior of Polycaprolactone, Carbon Dioxide, and Dichloromethane Ternary Mixture Systems  

Gwon, JungMin (School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University)
Shin, Hun Yong (Department of Chemical and Biological Engineering, Seoul National University of Science and Technology)
Kim, Soo Hyun (Korea Institute of Science and Technology)
Kim, Hwayong (School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University)
Publication Information
Korean Chemical Engineering Research / v.53, no.2, 2015 , pp. 193-198 More about this Journal
Abstract
The high-pressure phase behavior of a polycaprolactone (Mw=56,145 g/mol, polydispersity 1.2), dichloromethane, and carbon dioxide ternary system was measured using a variable-volume view cell. The experimental temperatures and pressures ranged from 313.15 K to 353.15 K and up to 300 bar as functions of the $CO_2$/dichloromethane mass ratio and temperature, at poly(D-lactic acid) weight fractions of 1.0, 2.0, and 3.0%. The correlation results were obtained from the hybrid equation of state (Peng-Robinson equation of state + SAFT equation of state) for the $CO_2$-polymer system using the van der Waals one-fluid mixing rule. The three binary interaction parameters were optimized by the simplex method algorithm.
Keywords
Supercritical Carbon Dioxide; Poly(D-lactic acid); Polymer-solvent-gas Ternary Systems; The Hybrid Equation of State for $CO_2$-polymer System; Biodegradable Polymer;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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