静电纺粗细复合纤维形态与膜的结构及性能

纺织学报 ›› 2013, Vol. 34 ›› Issue (8): 1-0.

• 纤维材料 • 下一篇

静电纺粗细复合纤维形态与膜的结构及性能

王丹飞¹ 刘雷艮¹ 潘志娟^1,2

1. 苏州大学纺织与服装工程学院
2. 现代丝绸国家工程实验室（苏州大学）

收稿日期:2012-07-17 修回日期:2012-12-08 出版日期:2013-08-15 发布日期:2013-08-15
通讯作者: 潘志娟 E-mail:zhjpan@suda.edu.cn
基金资助:
苏州市科技计划项目纳米技术专项；江苏高校优势学科建设工程资助项目

Relationship between morphology of electrospun thick/thin composed fibers and performance and structure of membranes

Received:2012-07-17 Revised:2012-12-08 Online:2013-08-15 Published:2013-08-15
Contact: PAN Zhi-Juan E-mail:zhjpan@suda.edu.cn

摘要/Abstract

摘要： 本研究将PSU颗粒溶解在DMF和丙酮混合溶液中得到纺丝液，通过静电纺丝制得PSU纤维膜。通过调整纺丝液浓度制备具有不同直径的PSU纤维膜，研究与分析了纤维直径、不同粗细纤维的组合对PSU纤维膜的孔隙结构、透气性能、过滤性能等的影响。研究结果表明：粗/细镶嵌纤维膜的透气率、力学性能、孔径及孔隙率均大于PSU-18、小于PSU-22；PSU-18的纤维膜过滤效率高，压降大，PSU-22纤维膜过滤效率小；粗细镶嵌膜过滤效率达到99%以上，同时压降较小。综合考虑各性能的特点，以在三个喷头中分别以18%、22%、22%的PSU溶液纺制的粗细纤维镶嵌型复合纤维膜的性能最佳。

关键词: 静电纺, 纳米纤维, 结构, 过滤性能

Abstract: In this study, PSU nanofiber membranes were produced by dissolving PSU particles in a mixed solution of DMF and acetone through electrostatic spinning. PSU nanofibers with different diameters were fabricated by adjusting the concentration of spinning solution to investigate their influence on pore structure, permeability, and filtration performance. As a result, the permeability, mechanical property, pore structure and porosity of thick/thin composed nanofiber membranes were in the middle of PSU-18 and PSU-22. Furthermore, PSU-18 has the highest filtration efficiency and pressure drop and PSU-22 has the lowest, while thick/thin composed nanofiber membrane has higher than 99% filtration efficiency and lower pressure drop. Composite nanofiber membranes produced with the concentration of 18% 、22% 、22% in three nozzles respectively have the best capability in filtration due to denser arrangement of the fibers comparing with other membranes in different formation.

Key words: electrospinning, nanofiber, structure, filtration performance

中图分类号:

TQ 340.64

王丹飞刘雷艮潘志娟. 静电纺粗细复合纤维形态与膜的结构及性能[J]. 纺织学报, 2013, 34(8): 1-0.

Dan-Fei WANG lei-gen liu PAN Zhi-Juan. Relationship between morphology of electrospun thick/thin composed fibers and performance and structure of membranes[J]. JOURNAL OF TEXTILE RESEARCH, 2013, 34(8): 1-0.

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静电纺粗细复合纤维形态与膜的结构及性能

Relationship between morphology of electrospun thick/thin composed fibers and performance and structure of membranes

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