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A novel and general method for modifying hydrophobic poly(arylsulfone) ultrafiltration membranes to produce highly hydrophilic surfaces has been developed. This method consists of the direct UV irradiation of poly(arylsulfone) membranes in the presence of water or methanol soluble monomers. It was discovered that the poly(arylsulfone)s are intrinsically photoactive and that no photoinitiators are...
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