Cuiru Yang, Z. Jia, Jianan Liu, Ke Wang, Z. Guan, Liming Wang, Zhihai Xu
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引用次数: 2
Abstract
The poly (vinylidene fluoride) (PVDF)/ N, N-dimethylformamide (DMF) solution was taken for example to fabricate insulated membrane by electrospinning in this paper,. It was found experimentally that in the process of electrospinning, the area of membrane collected was bigger and bigger and the fiber diameter was increasing from the bottom to the surface, but the fiber diameter of every layer was uniform. The reason was analyzed in this paper, and it was considered that in the electrospinning process, the positive charges accumulated on the insulated membrane changed the electric field distribution. As a result, the area increased and the weakened electric field intensity increased the fiber diameter.
以聚偏氟乙烯(PVDF)/ N, N-二甲基甲酰胺(DMF)溶液为例，采用静电纺丝法制备了绝缘膜。实验发现，在静电纺丝过程中，收集的膜面积越来越大，纤维直径从底部到表面逐渐增大，但每层纤维直径是均匀的。分析了原因，认为在静电纺丝过程中，绝缘膜上积累的正电荷改变了电场分布。电场强度减弱后，纤维直径增大，面积增大。
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