Detection of hydrogen dissolved in acrylonitrile butadiene rubber by 1H nuclear magnetic resonance

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    Abstract

    Rubber materials, which are used for hydrogen gas seal, can dissolve hydrogen during exposure in high-pressure hydrogen gas. Dissolved hydrogen molecules were detected by solid state 1H NMR of the unfilled vulcanized acrylonitrile butadiene rubber. Two signals were observed at 4.5 ppm and 4.8 ppm, which were assignable to dissolved hydrogen, in the 1H NMR spectrum of NBR after being exposed 100 MPa hydrogen gas for 24 h at room temperature. These signals were shifted from that of gaseous hydrogen molecules. Assignment of the signals was confirmed by quantitative estimation of dissolved hydrogen and peak area of the signals.

    Original languageEnglish
    Pages (from-to)43-45
    Number of pages3
    JournalChemical Physics Letters
    Volume522
    DOIs
    Publication statusPublished - Jan 19 2012

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy(all)
    • Physical and Theoretical Chemistry

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