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Preparation, morphologies, and properties of positively charged quaternized poly(phthalazinone ether sulfone ketone) nanofiltration membranes

โœ Scribed by Chun Yan; Shouhai Zhang; Cheng Liu; Daling Yang; Fajie Yang; Xigao Jian


Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
423 KB
Volume
113
Category
Article
ISSN
0021-8995

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Modification of poly(phthalazinone ether sulfone ketone) (PPESK) by sulfonation with concentrated or fuming sulfuric acid as sulfonation agents was carried out to prepare membrane materials with increased hydrophilicity and potentially increased fouling resistance. Sulfonated PPESK (SPPESK) copolyme