Preparation of new proton exchange membrane based on self-assembly of Poly(styrene-co-styrene sulfonic acid)-b-poly(methyl methacrylate)/Poly(vinylidene fluoride) blend
作者： Won Ho Choi , Won Ho Jo
DOI: 10.1016/J.JPOWSOUR.2008.10.126
关键词:
摘要: Abstract Amphiphilic block copolymers are synthesized by sulfonation of poly(styrene- b -methyl methacrylate) (PS- -PMMA) using acetyl sulfate, and blended with poly(vinylidene fluoride) (PVDF) to prepare a new proton exchange membrane, in which PMMA is miscible PVDF. The morphology the transport properties membranes investigated as functions degree well blend ratio. Notable transition phase-separated observed PVDF content increased. Both conductivity ion-exchange capacity (IEC) membrane increase increasing PS- -PMMA, they also enhanced domains well-ordered. Unlike Nafion increases up 90 °C, indicating shows better thermal stability than membrane.
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