Syntheses and Properties of Highly Mono-Disperse Functional Nanoparticles: Surface Modification with Polythiophene

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  • NISHIMINE Jun
    School of Science and Technology, Department of Science, Kinki University
  • SUENAGA Yusaku
    School of Science and Technology, Department of Science, Kinki University

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  • ポリ(オリゴ)チオフェンで被覆した単分散型高分子微粒子の合成とその性質
  • ポリ(オリゴ)チオフェン デ ヒフク シタ タンブンサンガタ コウブンシ ビリュウシ ノ ゴウセイ ト ソノ セイシツ

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Abstract

Mono-dispersed poly(styrene-co-glycidyl methacrylate) particles containing epoxy groups were prepared by soap-free emulsion polymerization. The epoxy groups were reacted with an alpha-omega diamine e.g. ethylene glycol bis(3-aminopropyl)ether, and the surface amino groups were condensed with the terminal -CHO groups of polythiophenes. These rod-like thiophenes ((P3HT(1)-CHO with Mw = 8010, Mn = 6883, and P3HT(2)-CHO with Mw=18007, Mn=14050) had been synthesized according to the reported literature. The loading capacity (LC) of polythiophene to the polymer particles was calculated from elemental analysis, and was 2.6–3.6 µmol/g. In addition P3HT(2)-D particles was prepared using particles that were obtained from photo polymerization of 4-aminostyrene. The particles were partially oxidized by iodine-doping and the P3HT-functionalized particles show conductivities of 6.52×10−9 to 1.07×10−7 S/cm at room temperature.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 71 (6), 272-278, 2014

    The Society of Polymer Science, Japan

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