Cosolvent effect on the phase behavior for the poly(benzyl acrylate) and poly(benzyl methacrylate) in supercritical carbon dioxide and dimethyl ether

Yoon-Seok Jang; Jeong-Won Kang; Hun-Soo Byun

Journal of Industrial and Engineering Chemistry, Vol.16, No.4, 598-601, July, 2010

DOI10.1016/j.jiec.2010.03.013 Export Citation

Cosolvent effect on the phase behavior for the poly(benzyl acrylate) and poly(benzyl methacrylate) in supercritical carbon dioxide and dimethyl ether

Yoon-Seok Jang, Jeong-Won Kang¹, and Hun-Soo Byun^†

School of Biotechnology and Chemical Engineering, Chonnam National University, Yeosu, Jeonnam 550-749, South Korea
¹Department of Chemical and Biological Engineering, Korea University, Data Center for Thermo Physical Properties of Organic Compounds, Seoul 136-701, South Korea

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Experimental cloud-point data up to 433.2 K and 193.0 MPa are reported for binary and ternary mixtures of poly(benzyl methacrylate) [poly(BzMA)] + carbon dioxide + benzyl methacrylate (BzMA) and poly(benzyl acrylate) [Poly(BzA)] + carbon dioxide + benzyl acrylate (BzA) systems. High-pressure cloud-point data are also reported for Poly(BzMA) + carbon dioxide and Poly(BzA) + carbon dioxide in supercritical dimethyl ether (DME). Cloud-point behavior for the Poly(BzMA) + carbon dioxide + BzMA system was measured in changes of the pressure-temperature (p-T) slope, and with BzMA weight fraction of 50.6, 61.0, 67.2 and 95.0 wt.%. The Poly(BzA) + carbon dioxide + 30.4, 40.7 and 49.4 wt.% BzA systems change the (p-T) curve from upper critical solution temperature region (UCST) to lower critical solution temperature (LCST) region as the BzA concentration increases. With 52.3 wt.% BzA to the Poly(BzA) + carbon dioxide solution, the cloud-point curves are taken on the appearance of a typical lower critical solution temperature boundary. Also, the impact by cosolvent (BzMA and BzA) concentrations for the Poly(BzMA) + DME and Poly(BzA) + DME systems is measured at temperature to 453.2 K and pressure range of 24.6-61.3 MPa.

Keywords:Phase behavior;CO2;Dimethyl ether;Poly(benzyl acrylate);Poly(benzyl methacrylate)

[References]

Waegemaekers THJ, Bensink MMPM, Mutat. Res., 137, 95 (1984)
Jung J, Perrut M, J. Supercrit. Fluids, 20(3), 179 (2001)
Kendall JL, Canelas DA, Young JL, DeSimone JM, Chem. Rev., 99(2), 543 (1999)
Kompella UB, Koushik K, Crit. Rev. Ther. Durg Carrier Syst., 18, 173 (2001)
McHugh MA, Krukonis VJ, Supercritical Fluid Extraction: Principles and Practice, Butterworth, Boston, MA (1994)
Byun HS, Lee DH, Ind. Eng. Chem. Res., 45(10), 3373 (2006)
Byun HS, J. Appl. Polym. Sci., 94(3), 1117 (2004)
Lora M, McHugh MA, Fluid Phase Equilib., 157(2), 285 (1999)
Wolf BA, Blaum GJ, Polym. Sci., Polym. Phys. Ed., 13, 1115 (1975)
Kirby CF, McHugh MA, Chem. Rev., 99(2), 565 (1999)
Byun HS, Choi MY, Lim JS, J. Supercrit. Fluids, 37(3), 323 (2006)
Byun HS, Shin JS, J. Chem. Eng. Data., 48, 97 (2003)
Reid RC, Prausnitz JM, Polling BE, The Properties of Gases and Liquid, 4th ed., McGraw-Hill, New York (1987)
Benson RC, Flygare WH, Chem. Phys. Lett., 4, 141 (1969)
Meyer G, Toennies JP, Chem. Phys., 52, 39 (1980)
Prausniz JM, Lichtenthaler RN, de Azevedo EG, Molecular Thermodynamics of Fluid-Phase Equilibria, 2nd ed., Prentice-Hall, Englewood Cliffs, NJ (1986)

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[1] Waegemaekers THJ, Bensink MMPM, Mutat. Res., 137, 95 (1984)

[2] Jung J, Perrut M, J. Supercrit. Fluids, 20(3), 179 (2001)

[3] Kendall JL, Canelas DA, Young JL, DeSimone JM, Chem. Rev., 99(2), 543 (1999)

[4] Kompella UB, Koushik K, Crit. Rev. Ther. Durg Carrier Syst., 18, 173 (2001)

[5] McHugh MA, Krukonis VJ, Supercritical Fluid Extraction: Principles and Practice, Butterworth, Boston, MA (1994)

[6] Byun HS, Lee DH, Ind. Eng. Chem. Res., 45(10), 3373 (2006)

[7] Byun HS, J. Appl. Polym. Sci., 94(3), 1117 (2004)

[8] Lora M, McHugh MA, Fluid Phase Equilib., 157(2), 285 (1999)

[9] Wolf BA, Blaum GJ, Polym. Sci., Polym. Phys. Ed., 13, 1115 (1975)

[10] Kirby CF, McHugh MA, Chem. Rev., 99(2), 565 (1999)

[11] Byun HS, Choi MY, Lim JS, J. Supercrit. Fluids, 37(3), 323 (2006)

[12] Byun HS, Shin JS, J. Chem. Eng. Data., 48, 97 (2003)

[13] Reid RC, Prausnitz JM, Polling BE, The Properties of Gases and Liquid, 4th ed., McGraw-Hill, New York (1987)

[14] Benson RC, Flygare WH, Chem. Phys. Lett., 4, 141 (1969)

[15] Meyer G, Toennies JP, Chem. Phys., 52, 39 (1980)

[16] Prausniz JM, Lichtenthaler RN, de Azevedo EG, Molecular Thermodynamics of Fluid-Phase Equilibria, 2nd ed., Prentice-Hall, Englewood Cliffs, NJ (1986)