Preparation of bifunctional cation-exchange membranes by E-beam irradiation

ZU Jianhua; ZHANG Jianqiu; GU Jianzhong; YU Chunhui; TONG Long

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Preparation of bifunctional cation-exchange membranes by E-beam irradiation

Radiation Modification of Polymeric Materials | 更新时间：2023-03-30

- Preparation of bifunctional cation-exchange membranes by E-beam irradiation
- Journal of Radiation Research and Radiation Processing Vol. 23, Issue 2, Pages: 113(2005)
- 作者机构：
  
  1.上海大学射线应用研究所　上海　201800
- 作者简介：
- 基金信息：
  
  上海市教委基金(03AQ96)
- DOI：
  CLC：
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ZU Jianhua, ZHANG Jianqiu, GU Jianzhong, et al. Preparation of bifunctional cation-exchange membranes by E-beam irradiation. [J]. Journal of Radiation Research and Radiation Processing 23(2):113(2005)
DOI：

ZU Jianhua, ZHANG Jianqiu, GU Jianzhong, et al. Preparation of bifunctional cation-exchange membranes by E-beam irradiation. [J]. Journal of Radiation Research and Radiation Processing 23(2):113(2005) DOI：

摘要

在所有的离子交换膜中，最引人注目的当数20世纪70年代已商品化的Nafion系列膜。具有磺酸功能基的Nafion膜电阻低，但用在氯碱工业时电流效率低。1974年Seko发明了全氟羧酸阳离子交换膜，使电流效率有实质性提高，并推动了复合膜的发展。复合膜具有磺酸膜的低电阻性能和羧酸膜的高电流效率。本工作采用辐射接枝法制备含羧酸基团和磺酸基团的双功能基阳离子交换膜，目的主要是以低成本且简单可行的辐射接枝法代替共聚法，制备稳定性好、低电阻、高电流效率的阳离子交换膜。

Abstract

A study was made on preparation of cation-exchange membranes including sulfonate and carboxylic acid groups by pre-irradiation grafting of acrylic acid (AA) and sodium styrene sulfonate (SSS) onto high-density polyethylene (HDPE). The grafting yield was strongly dependent on the synthesis conditions such as concentration and pH of the monomer solution, grafting temperature and type of solvent. An easy control over the grafting yield could be achieved by proper selection of reaction conditions. Water absorbance of grafted membranes increases with increasing grafting yield.

关键词

高密度聚乙烯丙烯酸对苯乙烯磺酸钠预辐射接枝X射线衍射

Keywords

High-density polyethyleneAcryli cacidSodium styrene sulfonatePre-irradiation graftingX-ray diffraction

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