High-pressure phase behavior of polycaprolactone, carbon dioxide, and dichloromethane ternary mixture systems

Jung Min Gwon, Hun Yong Shin, Soo Hyun Kim, Hwayong Kim

Research output: Contribution to journalArticle

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 CO2/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 CO2-polymer system using the van der Waals one-fluid mixing rule. The three binary interaction parameters were optimized by the simplex method algorithm.

Original languageEnglish
Pages (from-to)193-198
Number of pages6
JournalKorean Chemical Engineering Research
Volume53
Issue number2
DOIs
Publication statusPublished - 2015 Apr 1
Externally publishedYes

Fingerprint

Polycaprolactone
Methylene Chloride
Dichloromethane
Phase behavior
Equations of state
Carbon Dioxide
Carbon dioxide
Polydispersity
Ternary systems
Lactic acid
Lactic Acid
Polymers
Temperature
Fluids
polycaprolactone

Keywords

  • Biodegradable polymer
  • Poly(D-lactic acid)
  • Polymer-solvent-gas ternary systems
  • Supercritical carbon dioxide
  • The hybrid equation of state for CO-polymer system

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

High-pressure phase behavior of polycaprolactone, carbon dioxide, and dichloromethane ternary mixture systems. / Gwon, Jung Min; Shin, Hun Yong; Kim, Soo Hyun; Kim, Hwayong.

In: Korean Chemical Engineering Research, Vol. 53, No. 2, 01.04.2015, p. 193-198.

Research output: Contribution to journalArticle

Gwon, Jung Min ; Shin, Hun Yong ; Kim, Soo Hyun ; Kim, Hwayong. / High-pressure phase behavior of polycaprolactone, carbon dioxide, and dichloromethane ternary mixture systems. In: Korean Chemical Engineering Research. 2015 ; Vol. 53, No. 2. pp. 193-198.
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