Preparation and characterization of nanofiltration composite membranes using polyacrylonitrile (PAN). II. Preparation and characterization of polyamide composite membranes
Polyamide (PA) composite membranes in which PA active layers were interconnected with support layers via the formation of ionic bonds were prepared by the interfacial polymerization of piperazine (PIP) with trimesoyl chloride (TMC) on the surfaces of microporous polyacrylonitrile (PAN) supports cont...
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| Published in | Journal of applied polymer science Vol. 80; no. 14; pp. 2729 - 2736 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
New York
John Wiley & Sons, Inc
28.06.2001
Wiley |
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| Abstract | Polyamide (PA) composite membranes in which PA active layers were interconnected with support layers via the formation of ionic bonds were prepared by the interfacial polymerization of piperazine (PIP) with trimesoyl chloride (TMC) on the surfaces of microporous polyacrylonitrile (PAN) supports containing carboxylic acid groups. Formation of the ionic bonds through an acid‐base reaction between NH group of PIP and COOH of the support was studied using FTIR‐ATR spectroscopy. Variation of the surface morphologies of the composite membranes that was induced by the presence of the ionic bonds was observed with a FESEM and an AFM. Permeation tests with various feed solutions such as PEG 600, Na2SO4, MgSO4, MgCl2, and NaCl solutions were carried out to see how the characteristics of the PAN supports affected on the flux and rejection of the corresponding PA composite membranes. Chemical stabilities of the composite membranes with the ionic bonds were studied and compared with that of a conventional PA composite membrane, using alcohol solutions. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 80: 2729–2736, 2001 |
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| AbstractList | Polyamide (PA) composite membranes in which PA active layers were interconnected with support layers via the formation of ionic bonds were prepared by the interfacial polymerization of piperazine (PIP) with trimesoyl chloride (TMC) on the surfaces of microporous polyacrylonitrile (PAN) supports containing carboxylic acid groups. Formation of the ionic bonds through an acid‐base reaction between NH group of PIP and COOH of the support was studied using FTIR‐ATR spectroscopy. Variation of the surface morphologies of the composite membranes that was induced by the presence of the ionic bonds was observed with a FESEM and an AFM. Permeation tests with various feed solutions such as PEG 600, Na2SO4, MgSO4, MgCl2, and NaCl solutions were carried out to see how the characteristics of the PAN supports affected on the flux and rejection of the corresponding PA composite membranes. Chemical stabilities of the composite membranes with the ionic bonds were studied and compared with that of a conventional PA composite membrane, using alcohol solutions. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 80: 2729–2736, 2001 Abstract Polyamide (PA) composite membranes in which PA active layers were interconnected with support layers via the formation of ionic bonds were prepared by the interfacial polymerization of piperazine (PIP) with trimesoyl chloride (TMC) on the surfaces of microporous polyacrylonitrile (PAN) supports containing carboxylic acid groups. Formation of the ionic bonds through an acid‐base reaction between NH group of PIP and COOH of the support was studied using FTIR‐ATR spectroscopy. Variation of the surface morphologies of the composite membranes that was induced by the presence of the ionic bonds was observed with a FESEM and an AFM. Permeation tests with various feed solutions such as PEG 600, Na 2 SO 4 , MgSO 4 , MgCl 2 , and NaCl solutions were carried out to see how the characteristics of the PAN supports affected on the flux and rejection of the corresponding PA composite membranes. Chemical stabilities of the composite membranes with the ionic bonds were studied and compared with that of a conventional PA composite membrane, using alcohol solutions. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 80: 2729–2736, 2001 |
| Author | Lee, Kew-Ho Jegal, Jonggeon Oh, Nam-Wun |
| Author_xml | – sequence: 1 givenname: Nam-Wun surname: Oh fullname: Oh, Nam-Wun organization: Membrane and Separation Research Center, Korea Research Institute of Chemical Technology, P.O. Box 107, Yusung, Taejon, 305-606, South Korea – sequence: 2 givenname: Jonggeon surname: Jegal fullname: Jegal, Jonggeon organization: Membrane and Separation Research Center, Korea Research Institute of Chemical Technology, P.O. Box 107, Yusung, Taejon, 305-606, South Korea – sequence: 3 givenname: Kew-Ho surname: Lee fullname: Lee, Kew-Ho organization: Membrane and Separation Research Center, Korea Research Institute of Chemical Technology, P.O. Box 107, Yusung, Taejon, 305-606, South Korea |
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| Keywords | Nylon Permeation Polymerization Experimental study Ionic bond Sodium hydroxide Surface structure Polyelectrolyte Nanofiltration Acrylonitrile polymer Morphology Membrane Structure modification Interface reaction |
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| References | Mulder, M. Basic Principles of Membrane Technology; Kluwer Academic Publisher: Dordrecht, 1996, p. 130. Yang, M.-C.; Tong, J.-H. J Membr Sci 1997, 132, 63. Oh, N.-W.; Jegal, J. G.; Lee, K.-H. J Appl Polym Sci, to appear. 1987 1990 1996 1997; 132 1978 1988 e_1_2_5_9_2 e_1_2_5_7_2 e_1_2_5_6_2 e_1_2_5_5_2 e_1_2_5_4_2 e_1_2_5_3_2 e_1_2_5_2_2 Oh N.‐W. (e_1_2_5_8_2) |
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| Snippet | Polyamide (PA) composite membranes in which PA active layers were interconnected with support layers via the formation of ionic bonds were prepared by the... Abstract Polyamide (PA) composite membranes in which PA active layers were interconnected with support layers via the formation of ionic bonds were prepared by... |
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| SubjectTerms | Applied sciences Exact sciences and technology Exchange resins and membranes Forms of application and semi-finished materials nanofiltration PA composite membranes polyacrylonitrile polyamide Polymer industry, paints, wood Technology of polymers |
| Title | Preparation and characterization of nanofiltration composite membranes using polyacrylonitrile (PAN). II. Preparation and characterization of polyamide composite membranes |
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