Grafting perfluoroalkyl groups onto polyacrylonitrile membrane surface for improved fouling release property

▸ Perfluoroalkyl group is grafted onto PAN ultrafiltration membrane surface. ▸ The membrane surface has tunable hydrophilicity and free energy. ▸ The membranes display good fouling release property.▸ The membranes display pH and ion strength stimuli-responsive permeability.