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http://dx.doi.org/10.7317/pk.2013.37.5.649

Radiolytic Fabrication and Characterization of PTFE-g-PAA as the Supporters for the Reinforced Composite Fuel Cell Membrane  

Sohn, Joon-Yong (Research Division for Industry and Environment, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Park, Byeong-Hee (Research Division for Industry and Environment, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Song, Ju-Myung (Research Division for Industry and Environment, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Lee, Young-Moo (WCU Department of Energy Engineering, College of Engineering, Hanyang University)
Shin, Junhwa (Research Division for Industry and Environment, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Publication Information
Polymer(Korea) / v.37, no.5, 2013 , pp. 649-655 More about this Journal
Abstract
In order to use as supporters for the reinforced composite fuel cell membrane, poly(acrylic acid)-grafted porous polytetrafluoroethylenes (PTFEs) were prepared via introduction of poly(acrylic acid) graft chains by a radiation grafting method. FTIR was utilized to confirm the successful introduction of poly(acrylic acid) graft polymer chains into the porous PTFEs. Contact angles were examined to observe the hydrophilicity of the surface of the prepared substrates. The result indicates that the hyrophilicity of the surface in the prepared substrates increases with an increase in the number of hydrophilic polymer chains. FE-SEM, gurley number, and tensile strength were also utilized to characterize the prepared substrates.
Keywords
radiation; grafting; surface modification; porous PTFE; acrylic acid;
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Times Cited By KSCI : 4  (Citation Analysis)
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