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Fibers and polymers v.6 no.2, 2005년, pp.121 - 126  

Effects of Blend Ratio and Heat Treatment on the Properties of the Electrospun Poly(ethylene terephthlate) Nonwovens

Kim Kwan Woo    (Department of Bionano System Engineering, Chonbuk National University   ); Lee Keun Hyung    (Department of Advanced Organic Materials Engineering, Chonbuk National University   ); Lee Bong Seok    (Department of Textile Engineering, Chonbuk National University   ); Ho Yo Seung    (Department of Textile Engineering, Chonbuk National University   ); Oh Seung Jin    (Department of Textile Engineering, Chonbuk National University   ); Kim Hak Yong    (Department of Textile Engineering, Chonbuk National University  );
  • 초록

    Semicrystalline poly(ethylene terephthalate) (cPET)/amorphous poly(ethylene terephthalate) with isophthalic acid (aPET) blends with 100/0, 75/25, 50/50, 25/75, and 0/100 by weight ratios were dissolved in a mixture of trifluoroacetic acid (TFA)/methylene chloride (MC) (50/50, v/v) and electrospun via the electrospinning technique. Solution properties such as solution viscosity, surface tension and electric conductivity were determined. The solution viscosity slightly decreased as aPET content increased, while there was no difference in surface tension with respect to aPET composition. The characteristics of the electro spun cPET/aPET blend nonwovens were investigated in terms of their morphology, pore size and gas permeability. All these measurements were carried out before and after heat treatment for various blend weight ratios. The average diameter of the fibers decreased with increasing aPET composition due to the decrease in viscosity. Also, the morphology of the electrospun cPET/aPET blend nonwovens was changed by heat treatment. The pore size and pore size distribution varied greatly from a few nanometers to a few microns. The gas permeability after heat treatment was lower than that before heat treatment because of the change of the morphology.


  • 주제어

    Electrospinning .   Morphology .   Pore size .   Gas transport properties .   Mechanical properties.  

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  • 김관우 (3)

    1. 2004 "The Effect of Molecular Weight and the Linear Velocity of Drum Surface on the Properties of Electrospun Poly(ethylene terephthalate) Nonwovens" Fibers and polymers 5 (2): 122~127    
    2. 2004 "Thermal Decomposition Kinetics of Copolymers Derived from p-dioxanone, L-lactide and Poly(ethylene glycol)" Fibers and polymers 5 (4): 289~296    
    3. 2006 "Mechanical Behaviors and Characterization of Electrospun Polysulfone/Polyurethane Blend Nonwovens" Macromolecular research 14 (3): 331~337    
  • 이근형 (4)

  • 이봉석 (1)

  • Oh Seung Jin (1)

  • Kim, Hak-Yong (72)

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