N,N-dimethylformamide additions to the solution for the electrospinning of poly(ε-caprolactone) nanofibers

被引：124

作者：

Hsu, CM ^{[1
]}

Shivkumar, S ^{[1
]}

机构：

[1] Worcester Polytech Inst, Dept Mech Engn, Worcester, MA 01609 USA

来源：

MACROMOLECULAR MATERIALS AND ENGINEERING | 2004年 / 289卷 / 04期

关键词：

biopolymers; electrospinning; fibers; PCL; porous structures;

D O I：

10.1002/mame.200300224

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Additives that exhibit polyelectrolyte behavior such as N,N-dimethylformamide (DMF) may improve the electrospinning characteristics of viscoelastic polymer solutions. DMF additions to the solution lead to extensive jet splaying, thereby reducing the fiber diameter significantly. Nanofibrous structures with diameters of the order of 150 nm can be produced by the addition of about 10 vol.-% DMF to the solvent (chloroform ), DFM additions also yield a narrow, unimodal distribution of fibers, compared to the bimodal distribution typically detected in electrospun polymers.

引用

页码：334 / 340

页数：7

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