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Electrochemical Properties of Polyethylene Membrane Modified with Sulfonic and Phosphonic Acid Groups
Radioisotopes/Radiation Application Team, Korea Atomic Energy Research Institute, Taejon, Korea
choish@nanum.kaeri.re.kr
Korean Journal of Chemical Engineering, November 1999, 16(6), 725-730(6), 10.1007/BF02698343
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Abstract
Ion-exchange membranes modified with sulfonic (-SO3H) and phosphonic acid (-PO3H) groups were prepared by radiation-induced grafting of glycidyl methacrylate (GMA) onto polyethylene (PE) films and sub-sequent sulfonation and phosphonation of poly(GMA) graft chains. The surface area, thickness and volume of grafted PE film increased with increasing grafting yield. The specific electrical resistance of PE membrane modified with the -PO3H and -SO3H groups decreased with increasing the ion-exchange capacity. The PE membrane modified with -PO3H group had a lower specific electrical resistance than that of PE membrane modified with -SO3H group.
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References
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Choi SH, Nho YC, Kim GT, J. Appl. Polym. Sci., 71(4), 643 (1999)
Choi SH, Nho YC, J. Appl. Polym. Sci., 71(6), 999 (1999)
Choi SH, Nho YC, Appl. Chem., 2(2), 652 (1998)
Choi SH, Nho YC, Korea Polym. J., 6(4), 287 (1998)
Dworjanyn PA, Garnett JL, Jankiewicz SV, Sangster, "Additive Effects in UV and Radiation Grafting and Curing Process of Value in Immobilization of Bioactive Materials," IAEA-TECDOC-486, 7 (1987)
Garnett JL, Kenyon RS, Levort R, Long MA, Yen NT, J. Macromol. Sci.-Chem., A14(1), 87 (1980)
Gernett JL, Jankiewicz SV, Sangster DF, Radiat. Phys. Chem., 36, 571 (1990)
Haddadai-Asl L, Burford RP, Garnett JL, Radiat. Phys. Chem., 45(2), 191 (1995)
Kakoi T, Horinouchi N, Goto M, Nakashio F, J. Membr. Sci., 118(1), 63 (1996)
Kim M, Kiyohara S, Konishi S, Tsuneda S, Saito K, Sugo T, J. Membr. Sci., 117(1-2), 33 (1996)
Kiyohara S, Sasaki M, Saito K, Sugita K, Sugo T, J. Membr. Sci., 109(1), 87 (1996)
Kubota N, Miura S, Saito K, Sugita K, Watanabe K, Sugo T, J. Membr. Sci., 117(1-2), 135 (1996)
Moharram MA, Soliman MA, El-gendy HM, J. Appl. Polym. Sci., 68(12), 2049 (1998)
Reboiras MD, J. Membr. Sci., 109(1), 55 (1996)
Saito K, Kaga T, Yamagishi H, Furusaki S, Sugo T, Okamoto J, J. Membr. Sci., 43, 131 (1989)
Tasaka M, Kiyono R, Kodaka H, Niimi Y, Nagasawa M, J. Membr. Sci., 126(1), 1 (1997)
