Polymer blend proton exchange membrane and method for manufacturing the same
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United States of America Patent
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Jul 16, 2013
Grant Date -
Jun 9, 2011
app pub date -
Jun 23, 2010
filing date -
Dec 4, 2009
priority date (Note) -
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Abstract
The present invention relates to a polymer blend proton exchange membrane comprising a soluble polymer and a sulfonated polymer, wherein the soluble polymer is at least one polymer selected from the group consisting of polysulfone, polyethersulfone and polyvinylidene fluoride, the sulfonated polymer is at least one polymer selected from the group consisting of sulfonated poly(ether-ether-ketone), sulfonated poly(ether-ketone-ether-ketone-ketone), sulfonated poly(phthalazinone ether ketone), sulfonated phenolphthalein poly (ether sulfone), sulfonated polyimides, sulfonated polyphosphazene and sulfonated polybenzimidazole, and wherein the degree of sulfonation of the sulfonated polymer is in the range of 96% to 118%. The present invention further relates to a method for manufacturing the polymer blend proton exchange membrane.
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