Synthesis of Monodisperse Polymer Particles with Dozens μm by a Membrane Emulsification-Copolymerization Method and Evaluation of Solid-phase Extraction Characteristics

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  • MIKI Yuta
    Department of Applied Chemistry, Aichi Institute of Technology
  • MURAKAMI Hiroya
    Department of Applied Chemistry, Aichi Institute of Technology
  • INOUE Yoshinori
    Department of Applied Chemistry, Aichi Institute of Technology
  • TESHIMA Norio
    Department of Applied Chemistry, Aichi Institute of Technology

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Other Title
  • 膜乳化—共重合法による数十μmの単分散性ポリマー粒子の合成とその固相抽出特性評価
  • 膜乳化-共重合法による数十μmの単分散性ポリマー粒子の合成とその固相抽出特性評価
  • マク ニュウカ-キョウ ジュウゴウホウ ニ ヨル スウジュウmm ノ タンブンサンセイ ポリマー リュウシ ノ ゴウセイ ト ソノ コソウ チュウシュツ トクセイ ヒョウカ

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Abstract

<p>We established a technique to synthesize monodisperse porous polymer particles for solid-phase extraction (SPE). Oil-in-water (O/W) emulsion of a mixed solution of monomers and porogen was produced using a Shirasu porous glass (SPG) membrane emulsification method. Then, porous polymer particles were synthesized by a suspension polymerization method. In the present study, the synthesis of reversed-phase type sorbents was demonstrated using divinylbenzene and trimethylolpropane trimethacrylate as monomers, and toluene as porogen. The obtained monodisperse porous polymer particles had 50-60 μm in diameter which suitable for solid phase extractants; the coefficient of variation of the particle size was as low as 9.5 %. To evaluate the utility of the synthesized particle as a solid-phase extractant, several hydrophilic compounds were extracted. As a result, the monodisperse porous polymer particle had comparable adsorption properties to the porous polymer particle synthesized by a conventional suspension polymerization method. Moreover, the BET surface area of the monodisperse porous polymer particle in this study was about 700 m2 g−1, and it was concluded that the monodisperse porous polymer particle is applicable to a solid-phase extractant.</p>

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 70 (7.8), 435-441, 2021-07-05

    The Japan Society for Analytical Chemistry

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