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Journal of Materials Science

, Volume 41, Issue 17, pp 5704–5708 | Cite as

Bead structure variations during electrospinning of polystyrene

  • Goki Eda
  • Satya Shivkumar
Letter

Introduction

One of the attractive features of electrospinning is the capability to produce a wide range of fiber morphologies by controlling various material and process parameters. Other than the typically observed cylindrical fibers, flat, wrinkled, and porous fibers have been reported to date for different polymer-solvent systems [1, 2]. Koombhongse et al. [1] suggest that the morphology of the fiber obtained is determined by a complex interaction between fluid flow, electrical forces, and solvent evaporation. During the solidification of the jet, a thin skin of solid polymer can form on the surface, especially if a highly volatile solvent is used. This skin can subsequently collapse and lead to wrinkled and flat fibers. The formation of sub-micron pores on electrospun fibers is another interesting phenomenon, which has attracted attention [2, 3]. Reports have shown that humidity, molecular weight and solvent properties play an important role in pore formation. A recent study by...

Keywords

Solvent Evaporation Chain Entanglement Entanglement Concentration Polystyrene Dish Molecular Weight Solution 

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringWorcester Polytechnic InstituteWorcesterUSA

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