Preparation and Properties of Electrospun PAN/Fe3O4 Magnetic Nanofibers

被引：36
作者：
Wang, Biao [1 ]
Sun, Ying [1 ,2 ]
Wang, Huaping [1 ]
机构：
[1] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fiber & Polymers, Shanghai 201620, Peoples R China
[2] Shanghai Jiao Tong Univ, Inst Canc, Shanghai 200032, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2010年 / 115卷 / 03期
基金：
上海市自然科学基金;
关键词：
electrospinning; magnetic nanofibers; additive; polyacrylonitrile concentration; SUPERPARAMAGNETIC PROPERTIES; POLYMER MICROSPHERES; FIBERS; NANOPARTICLES; PARTICLES; COMPOSITES; MEMBRANES; SPHERES; SHELL;
D O I：
10.1002/app.31288
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polyacrylonitrile (PAN)/Fe3O4 composite nanofibers were prepared via the electrospinning of the PAN spinning solutions with magnetite Fe3O4 nanoparticles. The experimental results showed that the morphology and diameter of the nanofibers strongly depended upon concentrations of PAN and salt additives in the spinning solutions. A suitable PAN concentration and LiCl additives could effectively prevent the occurrence of beads in the electrospinning process and affected the diameters of the electrospun nanofibers. The breaking strength and breaking strain decreased when the magnetite Fe3O4 nanoparticles were incorporated. The prepared PAN/Fe3O4 nanofibers were superparamagnetic at room temperature. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 115: 1781-1786, 2010
引用
收藏
页码：1781 / 1786
页数：6
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