Abstract
The permeations of simple permanent gases and their mixtures through plasma-polymerized composite membranes were studied. Composite membranes were prepared by the plasma polymerization of fluorocarbon monomers such as pentafluorotoluene (PFT) and pentafluoropyridine (PFP) onto porous Celgard. For pure gases, the permeability coefficients were mainly affected by diffusivity rather than solubility. The permeability coefficient decreased as the kinetic molecular diameter of the penetrant molecules increased, and the permeability coefficients were independent of pressure. For mixed gases, the permeability coefficient was not affected by the composition of penetrants for the whole range of composition.
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References
Chiou, J. S. and Paul, D. R., “Sorption and Transport of Inert Gases in PVF2/PMMA Blends,”J. Appl. Polym. Sci.,32, 4793 (1986).
Cho, W. I., Baek, Y. S., Pang, H. S. and Kim, Y. C., “A Direct Catalytic Conversion of Natural Gas to C2 Hydrocarbons by Microwave Plasma,”Korean J. Chem. Eng.,15, 500 (1998).
Inagaki, N. and Katsuoka, H., “Gas Separation Membranes Made by Plasma Polymerization of Mixtures of Solanes and Fluoromethane,”J. Membr. Sci.,34, 297 (1987).
Inagaki, N. and Kawai, J., “Gas Separation Membranes Plasma-Polymerized from Perfluoromethylcyclohexane/Methane Mixture,”J. Polym. Sci., Part A: Polym. Chem.,24, 3381 (1986).
Inagaki, N. and Ohkubo, J., “Plasma Polymerization of Hexafluoropropene/ Methane Mixtures and Composite Membranes for Gas Separations,”J. Membr. Sci.,27, 63 (1986).
Inagaki, N., Tasaka, S. and Park, M. J., “Gas Separation Membranes Made by Plasma Polymerization of 1,3-Ditrifluoromethylbenzene/ CF4 Mixture,”J. Appl. Polym. Sci.,40, 143(1990).
Kim, J.W., Kim, D.O. and Hahn, Y. B., “Effect of Rapid Thermal Annealing on the Structural and Electrical Properties of TiO2 Thin Films Prepared by Plasma Enhanced CVD,”Korean J. Chem. Eng.,15, 217 (1998).
Kim, K. S. and Jung, I.H., “The Permeability Characteristics of Non-Porous Membrane by C7H3F3/SiH4 Plasma Polymeric Membrane,”Korean J. Chem. Eng.,17, 149 (2000).
McCandless, F. P., “Separation of Binary Mixtures of CO and H2 by Permeation Through Polymeric Films,”Ind. Eng. Chem. Proc. Des. Dev.,11,470 (1972).
Nomura, H., Kramer, P. and Yasuda, H., “Preparation of Gas Separation Membranes by Plasma Polymerization with Fluoro Compounds,”Thin Solid Films,118, 187 (1984).
Oh, S. J. and Kim, R. H., “The Permeation Resistance of Interface and the Directional Dependence of Permeation in Plasma-Grafted Composite Membranes,”Korean J. Chem. Eng.,12, 340 (1995a).
Oh, S. J., Zheng, Y., Koo, J.K. and Zurawsky, W. P., “Permeation of Simple Gases through Plasma-Polymerized Films from Fluorine-Containing Monomers,”J. Appl. Polym. Sci.,57, 1277 (1995b).
Pasternak, R.A., Burns, G. L. and Heller, J., “Diffusion and Solubility of Simple Gases through a Copolymer of Hexafluoropropylene and Tetrafluoroethylene,”Macromolecules,4, 470 (1971).
Pasternak, R.A. and Heller, J., “Diffusion and Permeation of Oxygen, Nitrogen, Carbon Dioxide and Nitrogen Dioxide through Polytetrafluoroethylene,”Macromolecules,3, 366 (1970).
Pye, D. G., Hohen, H. H. and Panar, M., “Measurement of Gas Permeability of Polymers. II. Apparatus for Determination of Permeabilities of Mixed Gases and Vapors,”J. Appl. Polym. Sci.,20, 287 (1976).
Sakata, J., Yamamoto, M., Sakata, J. and Hirai, M. J., “Plasma-Polymerized Membranes and Gas Permeability III,”J. Appl. Polym. Sci.,34, 2701 (1987).
Sanders, E. S., Koros, W. J., Hoppenberg, H. B. and Stannet, V. T., “Pure and Mixed Gas Sorption of Carbon Dioxide and Ethylene in Poly(ethylmethacryrate),”J. Membr. Sci.,18, 531984).
Stern, S. A., Mi, Y. and Yamamoto, H., “Structure/Permeability Relationships of Polyimide Membranes,”J. Appl. Polym. Sci.: Part B,27, 1887 (1989).
Stern, S. A., Shah, V.M. and Hardy, B. J., “Structure-Permeability Relationships in Silicone Polymers,”J. Appl. Polym. Sci.: Part B: Polym. Phys.,25, 1263 (1987).
Terada, I., Haraguchi, T. and Kajiyama, T., “Aggregation State-Oxygen Permeability Relationships of Plasma-Polymerized Thin Films from Perfluorobenzene,”Polym. J.,18, 529 (1986).
Vieth, W. R., Howell, J. M. and Asieh J.H., “Dual Sorption Theory,”J. Membr. Sci.,1, 177(1976).
Yamamoto, M., Sakata, J. and Hirai, M., “Plasma Polymerized Membranes and Gas Permeability I,”J. Appl. Polym. Sci.,29, 2981 (1984).
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Sohn1, WI., Koo, JK. & Oh, SJ. Permeation of single and mixed gases through composite membranes prepared by plasma polymerization of fluorocarbon compounds. Korean J. Chem. Eng. 17, 678–683 (2000). https://doi.org/10.1007/BF02699117
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DOI: https://doi.org/10.1007/BF02699117