Proton-conduction in poly(alkylenecarbonate)/poly(thiophenylenesulfonic acid) composites

Jun Sang Cho, Yuki Hayashino, Kenji Miyatake, Shinji Takeoka, Eishun Tsuchida

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    Highly sulfonated poly(thiophenylenesulfonic acid) (PTPSA) was prepared from a soluble polysulfonium salt precursor and mixed with poly(alkylenecarbonate) (PAC, alkylene = ethylene, PEC; propylene, PPC; butylene, PBC). The PTPSA and PAC were employed as a proton source for conduction and a flexible base matrix for proton dissociation and conduction pathway, respectively. For the composites of PTPSA/PAC (3/1, 2/1, 1/1 and 1/2, by weight), the effect of alkyl chain lengths of PAC, temperature dependence of proton-conductivity, and water content on the composites was studied. The proton-conductivity of the PTPSA/PAC composites increased with the increasing PTPSA portion. The PTPSA/PBC (3/1) composite shows the highest proton-conductivity of 1.5×10-6 Scm-1 at 30 °C. However, the increased incorporation of PTPSA does not contribute to producing the higher proton conduction of the composites. Moreover, the PTPSA/PBC (3/1) composite including 15 wt% of water retained the proton-conductivity of 7.1×10-2 Scm-1 at 140 °C, which could be the conductivity comparative to the Nafion membrane and thermal stability.

    Original languageEnglish
    Pages (from-to)548-552
    Number of pages5
    JournalPolymers for Advanced Technologies
    Volume11
    Issue number8-12
    DOIs
    Publication statusPublished - 2000 Aug

    Fingerprint

    Protons
    Acids
    Proton conductivity
    Composite materials
    Chain length
    Water content
    Propylene
    Ethylene
    Thermodynamic stability
    Salts
    Membranes
    Water

    ASJC Scopus subject areas

    • Polymers and Plastics

    Cite this

    Proton-conduction in poly(alkylenecarbonate)/poly(thiophenylenesulfonic acid) composites. / Cho, Jun Sang; Hayashino, Yuki; Miyatake, Kenji; Takeoka, Shinji; Tsuchida, Eishun.

    In: Polymers for Advanced Technologies, Vol. 11, No. 8-12, 08.2000, p. 548-552.

    Research output: Contribution to journalArticle

    Cho, Jun Sang ; Hayashino, Yuki ; Miyatake, Kenji ; Takeoka, Shinji ; Tsuchida, Eishun. / Proton-conduction in poly(alkylenecarbonate)/poly(thiophenylenesulfonic acid) composites. In: Polymers for Advanced Technologies. 2000 ; Vol. 11, No. 8-12. pp. 548-552.
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