Proton exchange membranes prepared by grafting of styrene/divinylbenzene into crosslinked PTFE membranes

Jingye Li, Shogo Ichizuri, Saneto Asano, Fumihiro Mutou, Shigetoshi Ikeda, Minoru Iida, Takaharu Miura, Akihiro Oshima, Yoneho Tabata, Masakazu Washio

    Research output: Contribution to journalArticle

    22 Citations (Scopus)

    Abstract

    Thin PTFE membranes were prepared by coating the PTFE dispersion onto the aluminum films. Thus the thin crosslinked PTFE (RX-PTFE) membranes were obtained by means of electron beam irradiation above the melting temperature of PTFE under oxygen-free atmosphere. The RX-PTFE membranes were pre-irradiated and grafted by styrene with or without divinylbenzene (DVB) in liquid phase. The existence of DVB accelerated the initial grafting rate. The styrene grafted RX-PTFE membranes are white colored, on the other hand, the styrene/DVB grafted RX-PTFE membranes are colorless. The proton exchange membranes (PEMs) were obtained by sulfonating the grafted membranes using chlorosulfonic acid. The ion exchange capacity (IEC) values of the PEMs ranging from 1.5 to 2.8 meq/g were obtained. The PEMs made from the styrene/DVB grafted membranes showed higher chemical stability than those of the styrene grafted membranes under oxidative circumstance.

    Original languageEnglish
    Pages (from-to)333-337
    Number of pages5
    JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
    Volume236
    Issue number1-4
    DOIs
    Publication statusPublished - 2005 Jul

    Fingerprint

    divinyl benzene
    Styrene
    Polytetrafluoroethylene
    Polytetrafluoroethylenes
    styrenes
    Protons
    Ion exchange
    membranes
    Membranes
    protons
    free atmosphere

    Keywords

    • Crosslinked polytetrafluoroethylene
    • Pre-irradiation induced graft polymerization
    • Proton exchange membrane
    • Styrene/divinylbenzene

    ASJC Scopus subject areas

    • Surfaces, Coatings and Films
    • Instrumentation
    • Surfaces and Interfaces

    Cite this

    Proton exchange membranes prepared by grafting of styrene/divinylbenzene into crosslinked PTFE membranes. / Li, Jingye; Ichizuri, Shogo; Asano, Saneto; Mutou, Fumihiro; Ikeda, Shigetoshi; Iida, Minoru; Miura, Takaharu; Oshima, Akihiro; Tabata, Yoneho; Washio, Masakazu.

    In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 236, No. 1-4, 07.2005, p. 333-337.

    Research output: Contribution to journalArticle

    Li, Jingye ; Ichizuri, Shogo ; Asano, Saneto ; Mutou, Fumihiro ; Ikeda, Shigetoshi ; Iida, Minoru ; Miura, Takaharu ; Oshima, Akihiro ; Tabata, Yoneho ; Washio, Masakazu. / Proton exchange membranes prepared by grafting of styrene/divinylbenzene into crosslinked PTFE membranes. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2005 ; Vol. 236, No. 1-4. pp. 333-337.
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    abstract = "Thin PTFE membranes were prepared by coating the PTFE dispersion onto the aluminum films. Thus the thin crosslinked PTFE (RX-PTFE) membranes were obtained by means of electron beam irradiation above the melting temperature of PTFE under oxygen-free atmosphere. The RX-PTFE membranes were pre-irradiated and grafted by styrene with or without divinylbenzene (DVB) in liquid phase. The existence of DVB accelerated the initial grafting rate. The styrene grafted RX-PTFE membranes are white colored, on the other hand, the styrene/DVB grafted RX-PTFE membranes are colorless. The proton exchange membranes (PEMs) were obtained by sulfonating the grafted membranes using chlorosulfonic acid. The ion exchange capacity (IEC) values of the PEMs ranging from 1.5 to 2.8 meq/g were obtained. The PEMs made from the styrene/DVB grafted membranes showed higher chemical stability than those of the styrene grafted membranes under oxidative circumstance.",
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    author = "Jingye Li and Shogo Ichizuri and Saneto Asano and Fumihiro Mutou and Shigetoshi Ikeda and Minoru Iida and Takaharu Miura and Akihiro Oshima and Yoneho Tabata and Masakazu Washio",
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    T1 - Proton exchange membranes prepared by grafting of styrene/divinylbenzene into crosslinked PTFE membranes

    AU - Li, Jingye

    AU - Ichizuri, Shogo

    AU - Asano, Saneto

    AU - Mutou, Fumihiro

    AU - Ikeda, Shigetoshi

    AU - Iida, Minoru

    AU - Miura, Takaharu

    AU - Oshima, Akihiro

    AU - Tabata, Yoneho

    AU - Washio, Masakazu

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    N2 - Thin PTFE membranes were prepared by coating the PTFE dispersion onto the aluminum films. Thus the thin crosslinked PTFE (RX-PTFE) membranes were obtained by means of electron beam irradiation above the melting temperature of PTFE under oxygen-free atmosphere. The RX-PTFE membranes were pre-irradiated and grafted by styrene with or without divinylbenzene (DVB) in liquid phase. The existence of DVB accelerated the initial grafting rate. The styrene grafted RX-PTFE membranes are white colored, on the other hand, the styrene/DVB grafted RX-PTFE membranes are colorless. The proton exchange membranes (PEMs) were obtained by sulfonating the grafted membranes using chlorosulfonic acid. The ion exchange capacity (IEC) values of the PEMs ranging from 1.5 to 2.8 meq/g were obtained. The PEMs made from the styrene/DVB grafted membranes showed higher chemical stability than those of the styrene grafted membranes under oxidative circumstance.

    AB - Thin PTFE membranes were prepared by coating the PTFE dispersion onto the aluminum films. Thus the thin crosslinked PTFE (RX-PTFE) membranes were obtained by means of electron beam irradiation above the melting temperature of PTFE under oxygen-free atmosphere. The RX-PTFE membranes were pre-irradiated and grafted by styrene with or without divinylbenzene (DVB) in liquid phase. The existence of DVB accelerated the initial grafting rate. The styrene grafted RX-PTFE membranes are white colored, on the other hand, the styrene/DVB grafted RX-PTFE membranes are colorless. The proton exchange membranes (PEMs) were obtained by sulfonating the grafted membranes using chlorosulfonic acid. The ion exchange capacity (IEC) values of the PEMs ranging from 1.5 to 2.8 meq/g were obtained. The PEMs made from the styrene/DVB grafted membranes showed higher chemical stability than those of the styrene grafted membranes under oxidative circumstance.

    KW - Crosslinked polytetrafluoroethylene

    KW - Pre-irradiation induced graft polymerization

    KW - Proton exchange membrane

    KW - Styrene/divinylbenzene

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