中华医学超声杂志

应用化学 ›› 1995, Vol. 0 ›› Issue (2): 33-36.

• 研究论文 • 上一篇    下一篇

用全氟表面活性剂改善Nafion膜表面的亲水性

祖延兵, 查全性   

  1. 武汉大学化学系, 武汉 430072
  • 收稿日期:1994-06-24 修回日期:1994-09-30 出版日期:1995-04-10 发布日期:1995-04-10
  • 基金资助:
    国家教委博士点基金资助项目

Improvement of Hydtophilicity of Nafion Membrane Surface by Modification with Perfluorinated Sutfactants

Zu Yanbing, Cha Chuansin   

  1. Department of Chemistry, Wuhan University, Wuhan 430072
  • Received:1994-06-24 Revised:1994-09-30 Published:1995-04-10 Online:1995-04-10

PDF

469

被引次数

11 | 4

摘要： 在Nafion膜表层引入全氟表面活性剂可改善膜表面的亲水性,其中全氟磺酸型表面活性剂FC-99效果最好.经后者处理的Nafion膜几乎不溶胀,而能使水溶液在膜上的接触角显著减小,并改善"气泡效应(零间距效应)".

关键词: Nafion膜, 全氟表面活性剂, 接触角, 气泡效应

Abstract: The surface of Nafion membrane can be rendered more hydrophilic by modificationwith perfluorinated surfactants,A surfactant of sulfonic acid type(FC-99) was found to bemost suitable for membrane modification. The swelling of the membrane is not serious aftertreatment,while the advancing contact angle between water and the membrane can be signi-ficantly reduced. Bubble effect("zero-gap"effect)was diminished markedly in experimentalmembrane electrolysis cell using modified Nafion membrane.

Key words: Nafion membrane, perfluorinated surfactant, contact angle, bubble effect

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