화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.14, No.1, 59-65, February, 2006
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Effect of Collector Temperature on the Porous Structure of Electrospun Fibers
Chi Hun Kim, Yoon Ho Jung, Hak Yong Kim†, Douk Rae Lee, Nallasamy Dharmaraj1, and Kyung Eun Choi2
  • Department of Textile Engineering, Chonbuk National University, Chonju 561-756, Korea
  • 1Department of Chemistry, Government Arts College, Udumalpet - 642 126, India
  • 2Department of Practical Art Education, Chonju National University of Education, Chonju 560-757, Korea
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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 (MC) 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:electrospinning;morphology;porous structure;poly(L-lactide);polystyrene;poly(vinyl acetate)
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