膜科学与技术

聚偏氟乙烯膜的抗污染研究进展

作者：靳巧如，沈舒苏，张干伟，白仁碧

单位： 1.苏州科技大学环境科学与工程学院，江苏苏州 215009； 2.江苏省分离净化材料与技术工程研究中心，江苏苏州 215009

关键词：聚偏氟乙烯；膜改性；抗污染机理；研究进展

出版年,卷(期):页码： 2022,42(3):172-179

摘要：

聚偏氟乙烯（PVDF）由于其良好的成膜性能及化学稳定性常被用于制备水处理膜，但由于其表面具有疏水性容易引起膜污染。为了解决这一问题，人们致力于通过对膜进行适当的改性处理，以达到有效减污，提高膜处理工艺总体效率的目的。本文重点归纳了近年来国内外基于水化层理论、空间位阻理论、界面工程理论、光催化氧化分解理论、抗菌性理论五种抗污染机理对PVDF膜进行改性的研究进展，并对抗污染分离膜的未来发展趋势做出展望。

Polyvinylidene fluoride (PVDF) is often used to prepare water treatment membranes due to its good film forming performance and chemical stability, but its surface hydrophobicity is easy to cause membrane fouling. In order to solve this problem, experts are committed to the appropriate modification of the membrane to achieve effective fouling reduction and improve the overall efficiency of membrane treatment process. In this paper, the research progress of PVDF membrane modification based on different antifouling mechanisms at home and abroad in recent years was summarized, and the future development trend of antifouling separation membrane was prospected.

靳巧如（1994-），女，河南商水人，硕士，从事PVDF超滤膜制备研究

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