Synthesis and Properties of Poly(phenylene ether) Diblock Copolymers Bearing Acid Substituents

DOI Web Site 1 Citations 24 References
  • OYAIZU Kenichi
    Research Institute for Science and Technology, Tokyo University of Science
  • MURATA Hidenori
    Research Institute for Science and Technology, Tokyo University of Science Department of Pure and Applied Chemistry, Faculty of Science and Engineering, Tokyo University of Science
  • YOSHII Daisuke
    Department of Pure and Applied Chemistry, Faculty of Science and Engineering, Tokyo University of Science
  • ISHIKAWA Takehiro
    Department of Pure and Applied Chemistry, Faculty of Science and Engineering, Tokyo University of Science
  • YUASA Makoto
    Research Institute for Science and Technology, Tokyo University of Science Department of Pure and Applied Chemistry, Faculty of Science and Engineering, Tokyo University of Science

Bibliographic Information

Other Title
  • 酸性置換基を有するポリフェニレンエーテルジブロック共重合体の合成と性質
  • サンセイ チカンキ オ ユウスル ポリ フェニレン エーテル ジブロック キョウジュウゴウタイ ノ ゴウセイ ト セイシツ

Search this article

Abstract

The oxidative polymerization of 2,6-dimethylphenol is a convenient engineering method to synthesize poly(2,6-dimethyl-1,4-phenylene ether) (PPE) as a high-performance engineering plastic in industrial fields. Recently, we reported the novel synthesis of PPE diblock copolymers based on the analysis of the polymerization mechanism. We report the preparation of PPE diblock copolymers bearing carboxylic or sulfonic acid as acid substituents. The resulting acid substituented PPE block copolymers, poly(2,6-dimethyl-1,4-phenylene ether- block-2-carboxy-6-methyl-1,4-phenylene ether) 3 and poly[2,6-dimethyl-1,4-phenylene ether-block-2-phenyl-6-(4-sulfophenyl)-1,4-phenyl- ene ether] 5, were applied as polymer electrolyte membranes for fuel cells. 3 and 5 were soluble in polar organic solvents such as N,N-dimethylformamide, dimethylsulfoxide, and THF and gave tough membranes by casting. Sulfonated polymer 5 membrane showed high ion exchange capacity and high oxidative stability. The results suggested that the acid substituents attached onto the pendant phenyl groups were more stable than those on main chains.<br>

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 65 (2), 145-149, 2008

    The Society of Polymer Science, Japan

Citations (1)*help

See more

References(24)*help

See more

Keywords

Details 詳細情報について

Report a problem

Back to top