And the modified membranes with different grafting ratio are obtained by changing the conditions,such as solvent,irradiation dose,and irradiation dose rate.

• 通过改变溶剂、辐照剂量、辐照剂量率等条件,获得了具有不同接枝率的改性聚醚砜膜,提高接枝率有助于改善聚醚砜膜的亲水性。