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Siying Lin,Xiang Huang,Zhenxiang Bu,Zhihong Lin,Peiqin Xie,Xiaolong Lin,Lingyun Wang,Wenlong Lv 한국섬유공학회 2020 Fibers and polymers Vol.21 No.7
Due to its small diameter and high density, electrospun nanofiber membranes have high resistance which obstaclestheir application. In this paper, we proposed a new electrospinning method based on low-temperature, which can affect thedeposition process of electrospinning by utilizing the freezing process of steam in the receiving plate. The filling andsupporting of ice could enlarge the pores of membranes and intervals among fibers, which caused the high porosity (92 %),rough surface, fluffy structure and low pressure drop (123 Pa) of polyvinylidene fluoride (PVDF) nanofibrous membranes. The results suggested that the electrospinning method is a promising way to prepare nanofibrous membranes with high airpermeability and fluffy structure for air filtration.