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Chinese Science Bulletin

, Volume 54, Issue 17, pp 2911–2917 | Cite as

Control of the morphology of micro/nanostructures of polycarbonate via electrospinning

  • DaYong Yang
  • Yang Wang
  • DongZhou Zhang
  • YingYi Liu
  • XingYu JiangEmail author
Special Topic/Articles/Biomedical Materials

Abstract

Many of the applications proposed for bioassays, scaffolds for tissue engineering, filtrations, and supports for catalysts require polymeric membranes with large specific surface areas. Polycarbonate (PC) is a possible candidate for these applications because of its excellent mechanical performance and good biocompatibility. Electrospinning is a simple and effective method for large-scale fabrication of micro-/nano- fibrous membranes with large specific surface areas. How to control the morphology of electrospun PC fibers, however, has not been systematically investigated. We describe the controllable fabrication of continuous and uniform PC fibers. We electrospin PC/chloroform solutions doped with different types of surfactants including anionic, zwitterionic, nonionic and cationic surfactants. Only cationic surfactants can lead to the successful fabrication of uniform PC fibers. After the analysis of the correlation between solution properties such as viscosity, surface tension, and conductivity and the morphology of electrospun fibers, we conclude that the addition of cationic surfactants such as cetane trimethyl ammonium bromide (CTAB) that leads to a decrease in viscosity is the main factor responsible for the formation of PC fibers. The demonstration of the fabrication of uniform PC fibers will lend experience to processing other polymers into fibers via electrospinning.

Keywords

electrospinning polycarbonate nanofibers morphology control surfactants 

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Copyright information

© Science in China Press and Springer-Verlag GmbH 2009

Authors and Affiliations

  • DaYong Yang
    • 1
    • 2
  • Yang Wang
    • 1
  • DongZhou Zhang
    • 1
  • YingYi Liu
    • 1
    • 3
  • XingYu Jiang
    • 1
    Email author
  1. 1.National Center for Nanoscience and TechnologyBeijingChina
  2. 2.Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO)Chinese Academy of SciencesSuzhouChina
  3. 3.Graduate University of Chinese Academy of SciencesBeijingChina

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