聚偏氟乙烯(PVDF)膜具有出色的稳定性、可塑性、耐磨性等特点,被广泛应用于饮用水与废水处理领域中。但PVDF膜还存在抗污能力不足和渗透性较差等问题,限制了其在水处理领域中更进一步的发展。因此提高膜抗污染能力以及提高膜通量已然成为制备和改性PVDF膜的研究重点。本文对PVDF膜制备方法和改性技术进行了梳理,首先概述了PVDF材料及PVDF膜制备方法,并着重介绍了非溶剂诱导相转化法和热诱导相转化法;然后总结了近年来PVDF膜改性的研究进展;最后对PVDF膜制备及改性研究的发展前景进行了展望。针对PVDF膜通量低、易污染等问题,提供了一些科学可行的解决方法。
Polyvinylidene fluoride (PVDF) membranes are widely used in the fields of drinking water and sewage treatment because of their excellent stability, plasticity and wear resistance. However, PVDF membranes also have problems such as easy contamination and low flux, which limits their further development in the field of water treatment. Therefore, improving membrane anti-pollution ability and increasing membrane flux have become the research focus of preparation and modification of PVDF membrane. In this paper, the preparation methods of PVDF membranes and modification techniques are sorted out. Firstly, the PVDF materials and PVDF film preparation methods are summarized, and the non-solvent induced phase inversion method and the thermally induced phase inversion method are emphasized. Then, this paper summarizes the research progress of PVDF membrane modification in recent years; finally, the development prospects of PVDF membrane preparation and modification research are prospected. In view of the low flux and easy pollution of PVDF membrane, some scientific and feasible solutions are provided.
聚偏氟乙烯(PVDF),PVDF膜的制备,PVDF膜的改性, Polyvinylidene Fluoride (PVDF) Preparation of PVDF Membrane Modification of PVDF Membrane摘要
Polyvinylidene fluoride (PVDF) membranes are widely used in the fields of drinking water and sewage treatment because of their excellent stability, plasticity and wear resistance. However, PVDF membranes also have problems such as easy contamination and low flux, which limits their further development in the field of water treatment. Therefore, improving membrane anti-pollution ability and increasing membrane flux have become the research focus of preparation and modification of PVDF membrane. In this paper, the preparation methods of PVDF membranes and modification techniques are sorted out. Firstly, the PVDF materials and PVDF film preparation methods are summarized, and the non-solvent induced phase inversion method and the thermally induced phase inversion method are emphasized. Then, this paper summarizes the research progress of PVDF membrane modification in recent years; finally, the development prospects of PVDF membrane preparation and modification research are prospected. In view of the low flux and easy pollution of PVDF membrane, some scientific and feasible solutions are provided.
Keywords:Polyvinylidene Fluoride (PVDF), Preparation of PVDF Membrane, Modification of PVDF Membrane
彭湘梅,黄 强. 聚偏氟乙烯膜制备与改性研究进展Research Progress in Preparation and Modification of Polyvinylidene Fluoride Membrane[J]. 材料科学, 2020, 10(12): 973-979. https://doi.org/10.12677/MS.2020.1012117
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