The results indicated that using benzophenone (BP) as photo-initiator, acrylamide as graft monomer, the polyacrylamide chain was grafted on the surface of membranes.

• 实验结果表明：用二苯甲酮作为引发剂，丙烯酰胺作为亲水性接枝单体，聚丙烯酰胺链可以被接枝到膜表面。