Process for producing a proton-conducting, polyazole-containing membrane
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United States of America Patent
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Sep 25, 2012
Grant Date -
Jul 22, 2010
app pub date -
Sep 11, 2007
filing date -
Sep 12, 2006
priority date (Note) -
Expired
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Abstract
A method for producing a proton-conducting, polyazole-containing membrane, in which
- A) a composition containing polyphosphoric acid and at least one polyazole and exhibiting a solution viscosity in the range from 10 Pa·s to 1000 Pa·s, measured to DIN 53018 at the temperature at the orifice during production of the membrane, is pressed through an orifice at a temperature in the range from 25° C. to 300° C., andB) the composition is then solidified.
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