The poorhydrophilicity of polyethersulfone(PES)membrane limits its application in many fields.So it is essential to modify PES.Sulfonationisthe mostcommon and themostefficientmodification method.

• 由于聚醚砜膜材亲水性差,从而阻碍了它在更多领域的应用,因此要对聚醚砜进行改性,其中磺化改性是最常用、最有效的一种方法。