...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of industrial and engineering chemistry >Preparation of high styrenic sulfonated polySEPS/clay composite film for proton exchange membranes (PEMs)
【24h】

Preparation of high styrenic sulfonated polySEPS/clay composite film for proton exchange membranes (PEMs)

机译：质子交换膜（PEMs）的高苯乙烯磺化聚SEPS /粘土复合膜的制备

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

High styrenic sulfonated polystyrene-block-poly(ethyl-ran-propylene)-block-polystyrene (S-polySEPS) containing 65% styrene groups was prepared by sulfonation at the phenyl group. Also, S-polySEPS/clay composite film was produced by mixing organic clay with S-polySEPS in organic blending solvent (THF/ DCE/IPA). The proton conductivity of the pure S-polySEPS film and S-polySEPS/clay composite films was ranged from 10~(-2) to 10~(-1) S cm~(-1). In particular, the S-polySEPS/clay 1 wt% composite film was shown higher proton conductivity, higher ion exchange capacity (IEC) and lower water uptake than Nafion~R 117 membrane. However, the proton conductivity of the S-polyseps/clay composite films slightly was decreased with increasing the contents of organic clay. Thermogravimetric analysis (TGA) was carried out to investigate the thermal stability of S-polySEPS/clay composite films. The ~1H NMR and FT-IR analysis is used to verify the sulfonation reaction on the phenyl groups of S-polySEPS. The micro-phase separated images and dispersed organic clay state of the prepared films were confirmed by transmission electron microscopy (TEM) and X-ray diffraction (XRD).
机译：通过在苯基上磺化来制备含有65％苯乙烯基的高苯乙烯磺化的聚苯乙烯-嵌段-聚（乙基-丙烯-丙烯）-嵌段-聚苯乙烯（S-polySEPS）。另外，通过在有机混合溶剂（THF / DCE / IPA）中将有机粘土与S-polySEPS混合来制备S-polySEPS /粘土复合膜。纯S-polySEPS薄膜和S-polySEPS /粘土复合薄膜的质子电导率范围为10〜（-2）至10〜（-1）S cm〜（-1）。特别是，与Nafion〜R 117膜相比，S-polySEPS /粘土1 wt％复合膜表现出更高的质子传导性，更高的离子交换容量（IEC）和更低的吸水率。然而，随着有机黏土含量的增加，S-polyseps /黏土复合膜的质子传导率略有下降。进行了热重分析（TGA）以研究S-polySEPS /粘土复合薄膜的热稳定性。 〜1H NMR和FT-IR分析用于验证S-polySEPS苯基上的磺化反应。通过透射电子显微镜（TEM）和X射线衍射（XRD）证实了制备的膜的微相分离图像和分散的有机粘土状态。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号