ナノ相分離構造を形成するNBR/ポリエーテル型電解質ブレンドの作製と新規導電ゴムローラーへの応用

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  • 久保田 有紀
    Graduate School of Bio-Applications and System Engineering, Tokyo University of Agriculture and Technology
  • 富永 洋一
    Graduate School of Bio-Applications and System Engineering, Tokyo University of Agriculture and Technology

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タイトル別名
  • Development of Novel Conductive Rubber Rollers using NBR/Polyether Electrolyte Blends with Nanoscale Sea-Island Phase Separation
  • ナノソウ ブンリ コウゾウ オ ケイセイ スル NBR/ポリエーテルガタ デンカイシツ ブレンド ノ サクセイ ト シンキ ドウデン ゴムローラー エ ノ オウヨウ

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<p>For the development of antistatic rubber rollers, we prepared acrylonitrile-butadiene rubbers (NBR)/polyether-based electrolyte blends by mechanical mixing method with different polymerization conditions. The effects of different humidity environment and morphology on the ion-conductive behavior were revealed using DC conductivity measurement system and transmission electron microscopy (TEM). The TEM images showed that the nano-ordered phase separated structure in the blends is formed before the polymerization. The sea-island phase separated structure of the blends could be controlled by polymerization conditions. We also found that there is a crucial relation between the conductive behavior under different humidity conditions and morphology, and the micro-phase separated structure with 10-20 nm-size of polyether islands give rise to the decrease in the difference between conductivities measured in wet and dry conditions. We also prepared vulcanized or cross-linked NBR blends using sulfur or organic peroxide as polymerization initiator. The cross-linked blends with nano-ordered phase separated structure were obtained, which shows good antistatic performance even in the humid condition. In addition, we prepared a plot type rubber roller using the NBR/polyether-based electrolyte blend, and it worked well as an actual printer roller.</p>

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