エレクトレットフィルターのタバコ煙耐久性の向上

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タイトル別名
  • Improvement of Durability of Electret Filter for Tobacco Smoke
  • エレクトレットフィルター ノ タバコ エン タイキュウセイ ノ コウジョウ

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説明

<p>Electret filters severely lose electrostatically enhanced particle collection efficiency when they are exposed to tobacco smoke. Tobacco smoke particles consist mainly of liquid substances at room temperature. Thus, captured tobacco smoke particles spread over an electret fiber and seriously weaken an electrical field around it. We have developed a novel surface modification treatment to avoid the spreads of tobacco smoke particles on the fiber. The modified electret filter was examined in comparison with the unmodified one. The surface modification treatment caused no adverse effect on initial collection efficiency and electrostatic charge stability of the electret filter. It was verified that the surface modification significantly improves durability of the electret filter for tobacco smoke. Further, the surface modification was effective also for many kinds of liquid particles such as oil mist. The electret filters modified by the developed treatment are useful for application to air purifier filters, respirators and so on.</p>

収録刊行物

  • 粉体工学会誌

    粉体工学会誌 54 (6), 406-409, 2017

    一般社団法人 粉体工学会

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