Sulfonated polyethersulfone (SPES), which was prepared by eletrophilic substituent reaction, was blended with PES to obtained SPES/PES flat ultrafiltration membrane and its properties were tested.

• 摘要采用亲电取代反应成功合成磺化聚醚砜(SPES)，利用聚醚砜(PES)与其共混制备SPES/PES平板超滤膜，并对其进行性能表征。