Fabrication of a poly-electrolyte membrane based on cross-linked PTFE thin film by EB irradiation grafting

Autor:	Saneto Asano, Jingye Li, Shogo Ichizuri, Takaharu Miura, Masakazu Washio, Yosuke Katsumura, Shigetoshi Ikeda, Minoru Iida, Chihiro Matsuura, Yoneho Tabata, Akihiro Oshima
Rok vydání:	2005
Předmět:	Thermogravimetric analysis Materials science Thermal decomposition General Chemistry Electrolyte Styrene chemistry.chemical_compound Differential scanning calorimetry Membrane Chemical engineering chemistry Polymer chemistry Thermal stability Glass transition
Zdroj:	Research on Chemical Intermediates. 31:585-593
ISSN:	1568-5675 0922-6168
DOI:	10.1163/1568567054909050
Popis:	Polymer electrolyte fuel cell (PEFC) membranes based on cross-linked polytetrafluoroethylene (RX-PTFE) very thin film have been fabricated by radiation grafting with reactive styrene monomers using electron beam irradiation under nitrogen atmosphere at room temperature. The characteristic properties of obtained materials have been measured by differential scanning calorimetry, thermogravimetric analysis, FT-IR spectroscopy, etc. The glass transition temperatures and thermal decomposition temperatures of grafted materials strongly depend on the yields of styrene grafting onto base materials. The higher yields of grafting give lower thermal stability. The ion-exchange capacity of sulfonated materials is 3.0 mEquiv/g. The other properties of obtained membranes, such as chemical structure and rates of hydrogen gas transmission, are discussed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::63039206173f0e554c3357d7f4e8d28b https://doi.org/10.1163/1568567054909050 Zobrazit plný text záznamu Plný text ve formátu PDF