Macromolecular Research

The Polymer Society of Korea (한국고분자학회)
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Preparation of Modified Hollow Polypropylene Membrane and Their Adsorption Properties of ${\gamma}$-Globulins

  • Hwang, Taek-Sung (Department of Chemical Engineering, Chungnam National University) ;
  • Park, Jin-Won (Department of Chemical Engineering, Chungnam National University)
  • Published : 2003.10.01
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Abstract

The hydrophobic ligand-containing hollow polypropylene (PP) membranes were synthesized by the mutual radiation induced graft copolymerization with glycidylmethacrylate (GMA) onto hollow PP membrane followed by the subsequent functionalization with L-phenylalanine. FT-IR, elemental analysis and UV spectroscopy were utilized to characterize copolymer composition, and degree of grafting, functionalization conversion and ${\gamma}$-globulins adsorption. The degree of grafting on the PP surface increased with the reaction time and total dose of E-beam. In the subsquent functionalization, the amount of L-phenylalanine increased with the increase in the degree of grafting and the degree of conversion was about 30%. The ${\gamma}$-globulins adsorption experiments showed that adsorption capacity had a maximum value at pH 8. The ${\gamma}$-globulins adsorption capacity in the basic pH region was higher than in the acidic pH region.

Keywords

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