高分子超/微滤膜的亲水化改性：从PEG化到离子化

Hydrophilization of polymeric UF/MF membranes:from PEGylation to ionization

众多高分子超/微滤(UF/MF)膜材料存在疏水性强、抗污染能力低下、生物相容性不佳的缺点,限制了UF/MF膜的推广应用,膜材料的亲水化改性被认为是解决这一难题的有效方法,也是近年来膜材料领域的研究热点之一。高分子UF/MF膜的亲水化改性方法可分为物理改性和化学改性两大类,在这些方法中,膜表面的聚乙二醇(PEG)化和离子化占据了重要地位,近年来,UF/MF膜的亲水化改性研究重点呈现出从PEG化向离子化转移的趋势。首先对UF/MF膜材料的各种改性方法进行了简要的综述,然后重点阐述了UF/MF膜亲水化改性中的PEG化和离子化研究进展。

For most polymeric ultrafiltration（UF） and microfiltration（MF） and membranes,the hydrophobic character of membrane materials fails to provide good antifouling ability and biocompatibility,and thus their applications are limited to some extent.An effective solution for this problem is improving the surface hydrophilicity of the membranes by surface modification.In the previous reports,PEGylation is the main way to perform surface modification.In recent years,ionization has being playing more and more important role in hydrophilization of membrane material.In this paper,the previous work on membrane hydrophilization in our groups is reviewed.PEGylation and ionization for UF and MF membranes are introduced in detail.Ionization is thought to be a new and dominating trend in future researches.