Article
  • Synthesis of Aminated Hollow PP-g-GMA Fibrous Ion-Exchanger for Separation of Urokinase
  • Hwang TS, Lee JH
  • 유로키나제 분리를 위한 아민화 HPP-g-GMA 중공사 이온교환체의 합성에 관한 연구
  • 황택성, 이진혁
Abstract
We synthesized HPP-g-GMA copolymer using pre-irradiation method by E-beam and aminated HPP-g-GMA using amination reaction. Degree of grafting increased with increasing GMA monomer concentration and showed the maximum value of 130% at 1.46 M of GMA. The degree of amination incresed with increasing the degree of grafting. When the degree of grafting was 100%, degree of amination showed the maximum value of 37.4%. The ion exchange capacity of aminated HPP-g-GMA was about 3.78 meq/g, and it showed remarkable adsorption ability of hollow fiber ion exchanger. Through the BET analysis, the surface area of aminated HPP-g-GMA was 54.83 m2/g and the mean pore size was 26 Å. These showed the decrease of surface area and the slight increase of the mean pore size. SEM results show that the thickness of fiber increased after the step of reaction and there pore blocking phenomena was not observed. The aminated HPP-g-GMA was synthesized successfully and found to be suitable for the adsorption and separation of anion.

E-beam 전조사법을 이용하여 HPP-g-GMA 공중합체와 아민화 반응을 통한 아민화 HPP-g-GMA 이온교환체를 합성하였다. 그라프트율은 GMA 단량체 농도가 증가함에 따라 증가하였으며 GMA 단량체 농도가 1.46 M에서 그라프트율이 130%로 최대를 나타냈다. 아민화율은 그라프트율이 증가함에 따라 증가하는 경향을 나타내었으며, 그라프트율이 100%일 때 37.4%로 최대값을 나타내었다. 아민화 HPP-g-GMA 섬유이온교환체의 이온교환용량은 약 3.78 meq/g으로써 흡착 성능이 매우 우수한 소재임을 확인하였다. BET 분석결과 아민화 HPP-g-GMA의 비표면적은 54.83 m2/g, 기공크기는 26 Å으로 반응전보다 비표면적은 감소하였고 기공크기는 약간 증가하는 경향을 보였다. 또한 SEM 분석 결과, 반응 후 섬유의 두께가 굵어짐을 관찰하였으며 기공 막힘 현상이 관찰되지 않았으며 이로부터 본 연구에서 합성한 섬유이온교환체가 음이온 흡착ㆍ분리에 적합함을 확인하였다.

Keywords: hollow fiber; e-beam; pre-irradiation; graft polymerization; amination; urokinase

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2023 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2002; 26(2): 160-167

    Published online Mar 25, 2002

  • Received on Sep 26, 2001
  • Accepted on Dec 22, 2001