Synthesis and ion conductive characteristics of inorganic-organic hybrid polymers bearing a tetraarylpentaborate unit

Yasushi Nishihara, Mikihiro Miyazaki, Yasumasa Tomita, Yuuki Kadono, Kentaro Takagi

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)

    Abstract

    The methods for synthesis and ion conductive characteristics of Inorganic-Organic hybrid polymers bearing a tetraarylpentaborate unit was investigated. The synthesis of a novel class of orgnoborate polymers, poly(lithiumtetraarylpentaborate)s through LiOMe-promoted condensation of biofunctional arylboronic acids tethered by oligo(ethylene oxide) was analyzed. The tetraarylpentaborate anion were formed using the reaction of aryloxohodium complex with arylboronic acids under mild conditions, such as (rt, 15 min). The polymer samples got thoroughly dried under vacuum and pressed in the stainless cell at 120 °C to a thickness of 10-100 micrometer before subjected to measurements, which were performed using an ac impendence method under an argon atmosphere. The polymers revealed three orders of magnitude lower ionic conductivity due to a suppression of the mobility of the polymer chains by crosslinking reflected in the higher glass transition temperature.

    Original languageEnglish
    Pages (from-to)7913-7918
    Number of pages6
    JournalJournal of Polymer Science, Part A: Polymer Chemistry
    Volume46
    Issue number23
    DOIs
    Publication statusPublished - Dec 1 2008

    Keywords

    • Lithium ion battery
    • NMR
    • Organic-inorganic polymers
    • Poly-condensation
    • Polyelectrolytes

    ASJC Scopus subject areas

    • Polymers and Plastics
    • Organic Chemistry
    • Materials Chemistry

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