Preparation and properties of polyaniline doped with poly(thiophenylenesulfonic acid)

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

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    A novel polyaromatic acid, poly(thiophenylenesulfonic acid) (PTPSA), prepared from a soluble precursor of poly(arylenesulfonium salt) was employed as a dopant for polyaniline (PAn). The electro-oxidative polymerization of aniline in PTPSA aqueous solution gives an electroactive PAn/PTPSA composite with three redox couples at 0.16, 0.53, and 0.71V (vs. SCE). Composites of different molar ratio ([SO3H]/[An] = 0.10, 0.21, 0.42, 0.50, 0.83, 1.67) was prepared in order to confirm the transformation from the emeraldine base to its PTPSA salt, where a quantitative doping reaction was observed by means of UV-VIS and IR measurements. The thermogravimetric analysis revealed that the composites do not decompose up to 200°C in nitrogen atmosphere. The composite ([SO3H]/[An] = 0.50) shows an electrical conductivity of 1.5 S · cm-1 at 30°C and 3.0 × 10-1 S · cm-1 at 170°C. The composite retains its conductivity after heating at 150°C for 24 h.

    Original languageEnglish
    Pages (from-to)2597-2601
    Number of pages5
    JournalMacromolecular Chemistry and Physics
    Volume200
    Issue number12
    Publication statusPublished - 1999

    Fingerprint

    Polyaniline
    preparation
    acids
    Acids
    composite materials
    Composite materials
    Salts
    Doping (additives)
    salts
    Aniline
    aniline
    Thermogravimetric analysis
    Nitrogen
    polymerization
    Polymerization
    polyaniline
    aqueous solutions
    Heating
    nitrogen
    atmospheres

    ASJC Scopus subject areas

    • Organic Chemistry
    • Physical and Theoretical Chemistry
    • Materials Chemistry
    • Polymers and Plastics

    Cite this

    Preparation and properties of polyaniline doped with poly(thiophenylenesulfonic acid). / Miyatake, Kenji; Cho, Jun Sang; Takeoka, Shinji; Tsuchida, Eishun.

    In: Macromolecular Chemistry and Physics, Vol. 200, No. 12, 1999, p. 2597-2601.

    Research output: Contribution to journalArticle

    Miyatake, Kenji ; Cho, Jun Sang ; Takeoka, Shinji ; Tsuchida, Eishun. / Preparation and properties of polyaniline doped with poly(thiophenylenesulfonic acid). In: Macromolecular Chemistry and Physics. 1999 ; Vol. 200, No. 12. pp. 2597-2601.
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