纳米TiO2/聚醚砜复合膜的制备及其性能研究
China Plastics Industry（2018）
Abstract
通过共混和相转化法制备了纳米TiO2/聚醚砜复合膜,并考察了纳米TiO2对膜结构及性能的影响.结果表明,添加纳米TiO2后,膜断面结构中微孔增多,指状孔长度增长,且有效改善了膜的亲水性和抗污染性.当纳米TiO2含量为0.3％时,膜综合性能最佳,此时,复合膜的表面接触角为75.9°,纯水通量为50.23 L/(m2 ·h),对Na2SO4溶液的截留率为40.89％,对牛血清蛋白溶液(BSA)的通量恢复率为91.67％.
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Key words
Nano-titania,Polyethersulfone,Blend,Hydrophilicity,Antibiofouling
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