芳纶纳米纤维毡/聚苯硫醚高温超过滤材料的制备及其性能

纺织学报 ›› 2013, Vol. 34 ›› Issue (7): 1-4.

• 纤维材料 • 下一篇

芳纶纳米纤维毡/聚苯硫醚高温超过滤材料的制备及其性能

王成^1,2,姚理荣³,陈宇岳²

1. 浙江纺织服装职业技术学院
2. 苏州大学纺织与服装工程学院
3. 南通大学纺织服装学院

收稿日期:2013-01-04 修回日期:2013-03-21 出版日期:2013-07-15 发布日期:2013-07-15
通讯作者: 姚理荣 E-mail:ylr8231@net.edu.cn
基金资助:
国家高技术研究发展计划项目；江苏省高校自然科学基金项目；苏州市科技发展计划项目；南通市应用研究计划项目；宁波市服务型重点专业项目

Preparation and properties of high temperature resistant ultrafiltration aramid nanofiber/PPS composite material

Received:2013-01-04 Revised:2013-03-21 Online:2013-07-15 Published:2013-07-15

摘要/Abstract

摘要： 以DMAc/LiCl为溶剂溶解间位芳纶纤维，采用高压静电纺丝技术制备了直径100～500纳米的芳纶纳米纤维毡，与PPS针刺无纺布复合后形成高温超过滤材料。研究显示，纳米芳纶纤维毡具有良好的强度和耐高温性能，复合纤维毡对粒径位于0.1～0.6微米之间的超微粒子的过滤效率达到99.9%，明显高于普通PPS无纺布70%左右的过滤效率。但纳米芳纶/PPS复合高温超过滤无纺布压降随芳纶纳米纤维膜厚度的增加而迅速下降，主要是因为芳纶纳米纤维膜中纤维尺寸和孔径较小，导致过滤时阻力明显增加。

关键词: 纳米纤维, 芳纶, 聚苯硫醚, 过滤

Abstract: The DMAc/LiCl was used as solvent systems to dissolve meta-aramid fiber, the prepared aramid solution were used to produce nano aramid fiber by electrospinning, and nano-aramid/PPS formed into sandwich structures for HEPA. The results indicated that the nanofiber mat had a better mechanical and heat-resistant property, and nano-aramid/PPS composite nonwoven had a super filter efficiency (> 99.9 %) for the particles with the size between 0.1～0.6μm, which was more higher than the PPS nonwoven (< 70 %). However, the larger pressure drop for nano-aramid/PPS composite nonwoven were observed when the thicker nano-aramid mat was used, which was main due to the nano size of aramid fiber and so many smaller porosity in nanofiber mat.

Key words: nanofiber, aramid fiber, PPS, filter

中图分类号:

TS 102. 5

王成姚理荣陈宇岳. 芳纶纳米纤维毡/聚苯硫醚高温超过滤材料的制备及其性能[J]. 纺织学报, 2013, 34(7): 1-4.

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芳纶纳米纤维毡/聚苯硫醚高温超过滤材料的制备及其性能

Preparation and properties of high temperature resistant ultrafiltration aramid nanofiber/PPS composite material

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