Macromolecular Research

The Polymer Society of Korea (한국고분자학회)
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Effect of Collector Temperature on the Porous Structure of Electrospun Fibers

  • Kim Chi Hun (Department of Textile Engineering, Chonbuk National University) ;
  • Jung Yoon Ho (Department of Textile Engineering, Chonbuk National University) ;
  • Kim Hak Yong (Department of Textile Engineering, Chonbuk National University) ;
  • Lee Douk Rae (Department of Textile Engineering, Chonbuk National University) ;
  • Dharmaraj Nallasamy (Department of Chemistry, Government Arts College, Udumalpet) ;
  • Choi Kyung Eun (Department of Practical Art Education, Chonju National University of Education)
  • Published : 2006.02.01
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Abstract

We report a new approach to fabricate electrospun polymer nonwoven mats with porous surface morphology by varying the collector temperature during electrospinning. Polymers such as poly(L-lactide) (PLLA), polystyrene (PS), and poly(vinyl acetate) (PVAc) were dissolved in volatile solvents, namely methylene chloride (Me) and tetrahydrofuran (THF), and subjected to electrospinning. The temperature of the collector in the electrospinning device was varied by a heating system. The resulting nonwoven mats were characterized by using scanning electron microscopy (SEM), field emission SEM (FESEM), and atomic force microscopy (AFM). We observed that the surface morphology, porous structure, and the properties such as pore size, depth, shape, and distribution of the nonwoven mats were greatly influenced by the collector temperature.

Keywords

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