The effects of polymer concentration, solvent volatilization time, temperature and composition of coagulation bath and the thickness of membranes are studied for preparing the best nanofiltration membrane.

• 实验重点考察了铸膜液固含量、溶剂蒸发时间、凝胶浴组成和温度、膜厚等因素对所制纳滤膜性能的影响。