以AgNO3为原料,N,N-二甲基甲酰胺(DMF)为还原剂,聚乙烯吡咯烷酮(PVP)为分散剂,还原制备了银粒子;以银粒子溶液为芯液,采用非溶剂致相分离(NIPS)法制备了中空纤维聚砜(PSF)超滤膜;采用扫描电镜和接触角测定仪等对膜性能进行了表征.结果表明,银粒子的添加显著改善了中空纤维PSF超滤膜通量与亲水性能.以腐殖酸为污染物,讨论了PSF-Ag膜的抗有机污染性能,与纯PSF膜相比,PSF-Ag膜通量衰减较慢,可有效阻止污染物的吸附与沉积,具有良好的抗污染性能.
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