高等学校化学学报 ›› 1994, Vol. 15 ›› Issue (7): 1097.

• 研究快报 • 上一篇    下一篇

红外光谱法研究离聚体中离子聚集状态

冯克1, 高洪涛1, 李卓美1, 阎荣江2   

  1. 1. 中山大学高分子研究所, 广州, 510275;
    2. 中国科学院长春应用化学研究所
  • 收稿日期:1994-03-07 出版日期:1994-07-24 发布日期:1994-07-24
  • 通讯作者: 冯克,男,33岁,博士,副教授.
  • 作者简介:冯克,男,33岁,博士,副教授.
  • 基金资助:

    国家自然科学基金

Infrared Spectra Investigation of Local Structure in Ionomer

FENG Ke1, GAO Hong-Tao1, LI Zhuo-Mei1, YAN Rong-Jiang2   

  1. 1. Institute of Polymer Science, Zhongshan University, Guangzhou, 5l0275;
    2. Changchun Institute of Applied Chemistry, Academia Sinica
  • Received:1994-03-07 Online:1994-07-24 Published:1994-07-24

关键词: 离聚体, 红外光谱, 离子聚集

Abstract: Infrared spectra of a series of zinc, sodium and copper salts of sulfonated isoprene-isobutylene rubber(SIIR) ionomer with varying sulfonation levels have been investigated.It has been found that vsym of sulfonate group obviously increased with ion concentration for the samples containing the ionic aggregates termed clusters, but vsym did not change with ion concentration for the samples containing only the ionic aggregates termed multiplets.It is suggested that the ionic aggregate in clusters contains more ion pairs than that in multiplets.The dependence of the vibrational band of SO3- on ion concentration in ionomer can be considered as the spectroscopic feature characterstic of cluster formation.

Key words: Ionomer, Infrared spectrum, Ion aggregation

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