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Issue
Korean Journal of Chemical Engineering,
Vol.29, No.3, 413-419, 2012
High pressure phase behavior for the binary mixture of pentafluoropropyl methacrylate and poly(pentafluoropropyl methacrylate) in supercritical carbon dioxide and dimethyl ether
Yoon SD, Jang YS, Choi TH, Byun HS
Pressure-composition isotherm is obtained for the carbon dioxide+2,2,3,3,3-pentafluoropropyl methacrylate (PFPMA) using static apparatus with a variable volume view cell at temperature range from 40 ℃ to 120 ℃ and pressure up to 130 bar. This system exhibits type-I phase behavior with a continuous mixture-critical curve. The experimental result for carbon dioxide+PFPMA mixture was modeled using the Peng-Robinson (P-R) and multi-fluid nonrandom lattice fluid (MF-NLF) equation of state. Experimental cloud-point data of pressure up 470 bar and temperature to 182 ℃ were reported for the binary mixture of poly(2,2,3,3,3-pentafluoropropyl methacrylate) [Poly(PFPMA)] in supercritical carbon dioxide and dimethyl ether (DME). The Poly(PFPMA)+carbon dioxide and Poly(PFPMA)+DME systems showed LCST behavior.
Keywords: High Pressure Phase Behavior; Carbon Dioxide; Dimethyl Ether; Poly(2,2,3,3,3-Pentafluoropropyl Methacrylate); 2,2,3,3,3-Pentafluoropropyl Methacrylate; Peng-Robinson Equation of State; MF-NLF Equation of State
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[Cited By]
  1. Yoon SD, Byun HS, Clean Technology, 18(2), 123, 2012
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