Article
  • A Study on the Synthesis of Polysulfone-Acrylic acid Graft Copolymers by Irradiation and Their Adsorption haracteristics of Metal Ions
  • Hwang TS, Hwang DS, Lee JM, Hwang EH
  • 방사선중합에 의한 폴리술폰-아크릴산 그라프트 공중합체의 합성 및 그 금속이온 흡착특성에 관한 연구
  • 황택성, 황대성, 이정미, 황의환
Abstract
The PSF-g-AAc copolymers were synthesized by the irradiational grafting of acrylic acid onto polysulfone membrane. The synthesis of copolymer was evidenced by the bands at 1720, 3100 cm-1 in the FR-IR spectrm. The initial thermal degradation temperature of PSF-g-AAc copolymers was about 250 ℃. After the adsorption of metal ions of PSF-g-AAc copolymers, various types of morphology with small brain, lump and sponge shape were observed by SEM. The optimal time for the metal ion adsorption equilibrium on PSF-g-AAc copolymers was 24 hrs and their adsorption capacties increased in the order of Cu2+>Ni2+>>Co2+>Mn2+>. The adsorption capacities of PSF-g-AAc copolymers were not varied even after more than 10 times of regeneration.

방사선 전조사법을 이용하여 아크릴산을 polysulfone 막에 그라프트 반응시켜 PSF-g-AAc 공중합체를 합성하였다. 합성한 공중합체의 FT-IR 결과 1720, 3100cm-1 부근에서 C=0, -OH에 대한 피크가 확인되었고, PSF-g-AAc 고중합체의 초기 열분해 온도가 250 ℃에서 나타났다. 금속이온 흡착후에 공중합체의 표면은 작은 혹, 좁쌀, 뇌형태 및 스펀지 형태 등이 관찰되었고, PSF-g-AAc 공중합체의 금속이온에 대한 흡착능의 최적시간은 24시간이었으며 동일 조건하에서의 흡착능은 Cu2+>Ni2+>Co2+>Mn2+의 순서로 Cu2+이온이 최대 흡착량을 나타내었다. 또한 PSF-g-AAc 공중합체는 10회 이상 흡착능의 변화없이 흡탈착이 가능한 흡착제임을 알 수 있었다.

Keywords: irradiation; grafting reaction; thermal stability; adsorption

References
  • 1. Pyun HC, Nho YC, Polym.(Korea), 12(5), 389 (1988)
  •  
  • 2. Bohm GGA, Detrano M, Pearson DS, Carter DR, J. Appl. Polym. Sci., 21, 3193 (1977)
  •  
  • 3. Bowmer TN, Davis DD, Kwei TK, Vroom WI, J. Appl. Polym. Sci., 26, 3669 (1981)
  •  
  • 4. Okamura M, Seguchi T, J. Inorg. Org. Polym., 2, 171 (1992)
  •  
  • 5. Iwata H, Saito K, Frusaki S, Sugo T, Ishigaki I, Biotechnol. Prog., 7, 412 (1991)
  •  
  • 6. Park JS, Nho YC, Jin JH, Polym.(Korea), 22(1), 39 (1998)
  •  
  • 7. Okamoto J, Sugo T, Katakai A, Omichi H, J. Appl. Polym. Sci., 30, 2967 (1985)
  •  
  • 8. Tsuneda S, Saito K, Frusaki S, J. Membr. Sci., 58, 221 (1991)
  •  
  • 9. Sugo T, Saito K, Membrane, 13, 272 (1988)
  •  
  • 10. Hori T, Saito K, Frusaki S, Sugo T, Okamoto J, Chem. Soc. Jpn., 12, 1792 (1986)
  •  
  • 11. Sugo T, Saito K, Membrane, 71, 58 (1990)
  •  
  • 12. Furlan L, Defavere VT, Laranjeira MC, Polymer, 37(5), 843 (1996)
  •  
  • 13. Lin WP, Hsieh YL, J. Polym. Sci. A: Polym. Chem., 35(4), 631 (1997)
  •  
  • 14. Park JS, Nho YC, Hwang TS, Polym.(Korea), 21(4), 701 (1997)
  •  
  • 15. Kwon OH, Nho YC, Yang HS, J. Korean Ind. Eng. Chem., 8(6), 934 (1997)
  •  
  • 16. Kim DW, Kim KS, Kim HS, J. Korean Chem. Soc., 30, 60 (1986)
  •  
  • 17. Song HY, Polym.(Korea), 18(3), 292 (1994)
  •  
  • 18. Engelken RD, Mccloud HE, J. Electrochem. Soc., 32, 568 (1985)
  •  
  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2022 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 1999; 23(5): 632-638

    Published online Sep 25, 1999