Effect of pH on electrospinning of poly(vinyl alcohol)

被引：123
作者：
Son, WK
Youk, JH
Lee, TS
Park, WH [1 ]
机构：
[1] Chungnam Natl Univ, Dept Text Engn, Taejon 305764, South Korea
[2] Chungnam Natl Univ, Res Inst Adv Mat, Taejon 305764, South Korea
[3] Inha Univ, Dept Text Engn, Inchon 402751, South Korea
来源：
MATERIALS LETTERS | 2005年 / 59卷 / 12期
基金：
新加坡国家研究基金会;
关键词：
poly(vinyl alcohol); electrospinning; pH; potentiometric titration;
D O I：
10.1016/j.matlet.2005.01.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
7 wt.% poly(vinyl alcohol) (PVA) solutions at various pH values from 2.0 to 12.9 were electrospun in order to investigate the effect of pH on the morphology and diameter of electrospun PVA. The average diameter of PVA fibers electrospun at pH 7.2 was 290 nm. Electrospun PVA fibers became straighter and finer with increasing pH under basic conditions, whereas the electrospinning of PVA solution was not continuous and PVA, fibers with beads-on-string structures were obtained due to the protonation of PVA under acidic conditions. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：1571 / 1575
页数：5
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