Polymer(Korea) (폴리머)

The Polymer Society of Korea (한국고분자학회)
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Synthesis of Sulfonated POF-g-Styrene ion Exchange Fibers by Radiation-Induced Polymerization and Properties of Ammonia Adsorption

방사선 중합에 의한 설폰화 POF-g-Styrene 이온교환 섬유의 합성 및 암모니아 흡착

  • Cho, In-Hee (School of Applied Chemistry and Biological Engineering, College of Engineering, Chungnam National University) ;
  • Baek, Ki-Wan (School of Applied Chemistry and Biological Engineering, College of Engineering, Chungnam National University) ;
  • Lee, Chang-Soo (School of Applied Chemistry and Biological Engineering, College of Engineering, Chungnam National University) ;
  • Nho, Young-Chang (Radioisotopes Radiation Application Team, Korea Atomic Energy Research Institute) ;
  • Yoon, Soo-Kyung (Accreditation Board for Engineering Education of Korea) ;
  • Hwang, Taek-Sung (School of Applied Chemistry and Biological Engineering, College of Engineering, Chungnam National University)
  • 조인희 (충남대학교 바이오응용화학부) ;
  • 백기완 (충남대학교 바이오응용화학부) ;
  • 이창수 (충남대학교 바이오응용화학부) ;
  • 노영창 (한국원자력연구소 하나로센터 동위원소 방사선응용연구팀) ;
  • 윤수경 (한국공학교육인증원) ;
  • 황택성 (충남대학교 바이오응용화학부)
  • Published : 2007.01.31
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Abstract

In this study, the sulfonated ion exchange fiber was synthesized by $Co^{60}\;{\gamma}-ray$ radiation-induced graft copolymerization. Degree of grafting (DG) increased with increasing the total dose and showed the highest value at 50 v/v% styrene monomer. And also, the degree of sulfonation (DS) increased with increasing the DG and reaction temperature. DS showed the maximum value at 20 min. Ion exchange capacity and swelling ratio of ion exchange fibers increased with increasing the DS and their maximum values were 4.76 meq/g and 23.5%, respectively. Ammonia adsorption increased as increasing the ammonia concentration and ion exchange capacity and remained constant over 10 cycles.

본 연구는 $Co^{60}\;{\gamma}-ray$ 선원을 이용한 그래프트 공중합 방법으로 설폰형 이온교환 섬유를 합성하였다. 공중합체 합성 시 스티렌 단량체의 농도가 50 v/v%에서 그래프트율이 가장 높게 나타났으며, 총 조사선량이 증가할수록 그래프트율은 증가하였다. 그래프트율과 반응온도가 증가함에 따라 설폰화율은 증가하였으며, 반응시간 20분에서 가장 높았다. 이온교환 섬유의 이온교환 용량과 함수율은 설폰화율이 증가함에 따라 모두 증가하였으며, 각각 최대 4.76 meq/g, 23.5%이었다. 암모니아 흡착량은 이온교환 용량 및 암모니아 농도가 증가함에 따라 증가하였으며, 10회 이상 반복 사용하여도 암모니아 흡착량은 변하지 않았다.

Keywords

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