Molecular weight dependent structural regimes during the electrospinning of PVA
Molecular weight dependent structural regimes during the electrospinning of PVA
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DOI：
10.1016/j.matlet.2006.09.004
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发表时间：
2007-05-01
影响因子：
3
通讯作者：
Shivkumar, Satya
中科院分区：
文献类型：
--
作者：
Tao, Jing;Shivkumar, Satya
研究了分子量和浓度对电纺丝聚合物结构转变的累积效应。以水为溶剂对聚乙烯醇（PVA）的分子量进行了9500 g/mol ~ 155,000 g/mol的实验。绘制了珠状纤维、珠状纤维、完整纤维和扁平带的结构分布图。一个稳定的纤维结构的发展通常对应于显著的分子纠缠的开始。(c) 2006 Elsevier B.V.版权所有
The cumulative effects of molecular weight and concentration on the structural transitions in the electrospun polymer have been studied. Experiments have been conducted with water as the solvent for molecular weights of polyvinylalcohol (PVA) ranging from 9500 g/mol to 155,000 g/mol. The structural regimes for beads, beaded fibers, complete fibers and flat ribbons have been mapped. The development of a stable fiber structure generally corresponds to the onset of significant molecular entanglements. (c) 2006 Elsevier B.V. All rights reserved.