Membranes
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United States of America Patent
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Issued Date -
Feb 2, 2012
app pub date -
Mar 16, 2010
filing date -
Mar 17, 2009
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Abandoned
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Abstract
Process for manufacturing a composite membrane comprising a porous support and a polymeric separation layer having acidic or basic groups comprising the steps of: (i) applying a composition to a porous support; and (ii) curing the composition to form the polymeric separation layer thereon; wherein the composition comprises the components (a) a compound having one ethylenically unsaturated group; and (b) a crosslinking agent having an acrylamide group; and wherein the curing is achieved by irradiating the composition for less than 30 seconds. The membranes are useful in reverse electrodialysis e.g. for generating blue energy and have good resistance to deterioration, even under hot and high pH conditions.
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