• Title/Summary/Keyword: Melt copolymerization

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Adsorption Properties for Heavy Metals Using Hybrid Son Exchange Fibers with Sulfonated PONF-g-Styrene by Radiation Polymerization and Cation Exchange Resin (방사선 중합 설폰화 PONF-g-스티렌과 양이온교환수지 복합 이온교환섬유의 중금속 흡착 특성)

  • Baek, Ki-Wan;Cho, In-Hee;Nho, Young-Chang;Hwang, Taek-Sung
    • Polymer(Korea)
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    • v.30 no.6
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    • pp.525-531
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    • 2006
  • In this study, Sulfonated PONF-g-styrene ion exchange fibers were synthesized by radiation induced graft copolymerization. And also, hybride ion exchange fibers, which was combined sulfonated PONF-g-styrene fibers and cationic ion exchange resin, were fabricated by hot melt adhesion method and then their adsorption properties were investigated. ion exchange capacity and water content of hybrid ion exchange fibers increased as compared with those of bead and ion exchange fiber. Their maximum values were 4.76 meq/g and 23.5%, respectively. Adsorption breakthrough time for mercury of hybrid ion exchange fiber was slower than those of bead resin and fibrous ion exchanger. It's value was 130 minutes. Their breakthrough time become short as increasing of pH, and concentration. The initial breakthrough time was observed before and after 10 minutes as increasing of concentration. The adsorption of hybrid ion exchange fibers for $Hg^{2+}\;Pb^{2+},\;Cd^{2+}$ among heavy metals in the mixed solution was observed before 20 min. And also, The adsorption for $Hg^{2+}$ among the heavy metals by hybride ion exchange fibers was observed.