Article
  • Synthesis of Aminated GMA-DVB Copolymer and Their Adsorption Properties for Nitrate
  • Hwang TS, Lee SA, Lee MJ
  • 아민화 GMA-DVB 공중합체의 합성과 질소 성분에 대한 흡착 특성
  • 황택성, 이선아, 이면주
Abstract
In this study, we synthesized bead-type GMA-DVB copolymer using glycidylmethacrylate (GMA) with high reactivity and hydrophilicity. Macrorecticular anion exchanger containing the trimethylammonium group were then prepared by amination with trimethylammonium chloride. We observed that the size of NO3-is smaller than that of SO42- which disturb NO3- removal in most of coexistent anions in ground water. Thus we investigated selective affinity for NOB and properties of individual ion exchangers with various DVB content. For each resins, we confirmed formation of copolymer by FT-IR spectrometer and investigated ion exchange capacity, swelling ratio, the amination yield and the effect with degree of crosslinking on adsorbability for nitrate. When amount of DVB is 4 wt%, amination yield, ion exchange capacity and swelling ratio was 384.3%, 3.25meq/g and 77.1%, respectively. In these result, it can found that synthetic optimal condition is 4 wt% DVB content for monomer.

본 연구에서는 반응성이 큰 친수성 단량체인 glycidylmethacrylate (GMA)를 이용하여 현탁중합법으로 bead type의 GMA-DVB 공중합체를 제조하고, 이들 공중합체를 trimethylammonium chloride로 아민화하여 trimethylammonium 기를 갖는 거대망상형 음이온 교환수지를 합성하였다. 여기서 지하수에 공존하는 음이온 중 NO3(-) 제거에 가장 방해가 되는 SO4(2-)이 입체적으로 크다는 것에 착안하여 가교제인 divinylbenzene (DVB) 의 양을 변화시켜 가교도에 따른 음이온에 대한 선택능을 확인하였고, 각각의 수지에 대한 물성과 NO3(-)에 대한 흡착능을 고찰하였다. 또한 FT-IR을 통하여 공중합체의 합성여부를 확인하였다. 또한 아민화 수율, 이온교환 용량 및 팽윤율을 평가하여 가교도에 따른 영향을 조사하였다. 여기서 DVB의 함량이 4 wt%일 때 아민화수율은 384.3%, 이온교환용량은 3.25meq/g, 팽윤율은 77.1%로 가장 최적으로 나타났다.

Keywords: Nitrate; Glycidylmethacrylate (GMA); Divinylbenzene (DVB); Macrorecticular Anion Exchanger; Trimethylammonium Group

References
  • 1. Mirvish SSProceeding of the NATO Advanced Research Workshop on Nitrate Contamination, Lincon NE., p. 9 (1990)
  •  
  • 2. Sintar DP, Schreier C, Chou C, Reinhard M, Water Res., 30(10), 2315 (1996)
  •  
  • 3. Kesore K, Janowski F, Shaposhnik VA, J. Membr. Sci., 127(1), 17 (1997)
  •  
  • 4. Kesore K, Janowski F, Shaposhnik VAThesis to the 20th International Conference on Membrane Processes, Anapa, Russia, May (1994)
  •  
  • 5. Eyal A, Edem OK, J. Membr. Sci., 38, 101 (1988)
  •  
  • 6. Oldani M, Killer E, Miquel A, Schock G, J. Membr. Sci., 75, 262 (1992)
  •  
  • 7. Tsuneda S, Saito K, Mitsuhara H, Sugo T, J. Electrochem. Soc., 142(11), 3659 (1996)
  •  
  • 8. Chang YY, Choe SH, Shin JY, Hwang KY, J. KSWQ DEC., 14(4), 463 (1998)
  •  
  • 9. Huh KS, Suh GD, HWAHAK KONGHAK, 29(1), 63 (1991)
  •  
  • 10. Choi SH, Nho YC, Korean J. Chem. Eng., 16(6), 725 (1999)
  •  
  • 11. Choi SH, Nho YC, Kim GT, J. Appl. Polym. Sci., 71(4), 643 (1999)
  •  
  • 12. Morgan DR, Kalachandra S, Shobha HK, Gunduz N, Stejskal EO, Biomaterials, 21(18), 1897 (2000)
  •  
  • 13. Soykan C, Ahmedzade M, Coskun M, Polym. J., 36(8), 1667 (1999)
  •  
  • 14. Atsuta M, Nakabayaski N, Masuhara E, J. Biomed. Mater. Res., 5, 183 (1971)
  •  
  • 15. Davy KWM, J. Mater. Sci. Mater. Med., 5, 350 (1994)
  •  
  • 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

  • 2001; 25(3): 311-317

    Published online May 25, 2001

  • Received on Oct 23, 2000