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High-Pressure Phase Behavior of Polycaprolactone, Carbon Dioxide, and Dichloromethane Ternary Mixture Systems
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  • Journal title : Korean Chemical Engineering Research
  • Volume 53, Issue 2,  2015, pp.193-198
  • Publisher : The Korean Institute of Chemical Engineers
  • DOI : 10.9713/kcer.2015.53.2.193
 Title & Authors
High-Pressure Phase Behavior of Polycaprolactone, Carbon Dioxide, and Dichloromethane Ternary Mixture Systems
Gwon, JungMin; Shin, Hun Yong; Kim, Soo Hyun; Kim, Hwayong;
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 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 /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 -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 -polymer System;Biodegradable Polymer;
 Language
Korean
 Cited by
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