Quaternized polysulfone (QMPS) UF membrane could be made through dipping chloromethylated polysulfone (CMPS) into solution of trimethla-mine.

• 将氯甲基化聚砜(CMPS)超滤膜浸泡于三甲胺水溶液中制得季铵化聚砜(QMPS)超滤膜。