The effects of the mass ratio of monomers, surfactant (SOS) and alkaline and polyvinyl alcohol (PVA) were studied for preparing the best ultrafiltration membrane.

• 以聚醚巩为支撑膜，聚乙烯醇(PVA)、哌嗪与对苯二甲酰氯为反应物，采用界面聚合手段，在支撑膜表面成功地形成一层极薄的复合亲水分离层。