Electrospinning of polyacrylonitrile fibers from ionic liquid solution

被引：25
作者：
Yang, Tang [1 ]
Yao, Yongyi [1 ]
Lin, Yi [1 ]
Wang, Bing [1 ]
Xiang, Ruili [3 ]
Wu, Yurong [2 ]
Wu, Dacheng [1 ]
机构：
[1] Sichuan Univ, Text Inst, Chengdu 610065, Sichuan, Peoples R China
[2] Sichuan Univ, Coll Chem, Chengdu 610065, Sichuan, Peoples R China
[3] Sichuan Univ, Analyt & Testing Ctr, Chengdu 610065, Sichuan, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2010年 / 98卷 / 03期
基金：
中国国家自然科学基金;
关键词：
POLYMER; NANOFIBERS; CELLULOSE; SOLVENT; PARAMETERS; TRANSITION; ACID);
D O I：
10.1007/s00339-009-5483-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We developed a temperature-controlled electrospinning apparatus specially for the polymers/IL system with high viscosity and surface tension and investigated the electrospinning of polyacrylonitrile (PAN)/1-butyl-3-methyl-imidazolium bromide ([BMIM][Br]) solutions. The rheological behaviors, surface tensions and conductivities of PAN/[BMIM]/[Br] solutions at different temperatures indicated that appropriately increasing the temperature is beneficial to their spinnability. It is also shown that PAN/[BMIM]/[Br] with a concentration of 3 wt%, 4 wt% and 5 wt% can be electrospun to fibers by increasing their temperatures to 70A degrees C, 75A degrees C or 85A degrees C, respectively. A rotating drum composed of a dacron mesh was used as a collector in order to avoid the contraction of the wet fibers. This present study provides an alternative method for electrospinning polymer fibers.
引用
收藏
页码：517 / 523
页数：7
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