Journal of Industrial and Engineering Chemistry

  • Volume 25
  • /
  • Pages.9-11
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  • 2015
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  • 1226-086X(pISSN)
  • /
  • 1876-794X(eISSN)
The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Fracture toughness and surface morphology of polysulfone-modified epoxy resin

  • Jin, Hu (School of Resources and Environment Engineering, Jilin Institute of Chemical Technology) ;
  • Yang, Baoqing (Jilin City Scientific & Technological Information Institute) ;
  • Jin, Fan-Long (Department of Polymer Materials, Jilin Institute of Chemical Technology) ;
  • Park, Soo-Jin (Department of Chemistry, Inha University)
  • Received : 2014.07.30
  • Accepted : 2014.10.18
  • Published : 2015.05.25
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Abstract

The thermal stability, fracture toughness, flexural strength, and surface morphology of a polysulfone (PSF)-modified epoxy resin were investigated using several techniques. The thermal stability of the PSF-modified epoxy resin was similar to that of the neat epoxy resin. The flexural strength of the epoxy resin decreased with the addition of the PSF. The fracture toughness of the PSF-modified epoxy resin significantly improved compared to that of the neat epoxy resin. The SEM micrograph of the modified epoxy resin showed a relatively rough surface with shear deformation and tortuous cracks, thereby inducing higher fracture toughness in the PSF-modified epoxy system.

Keywords

Acknowledgement

Grant : 분자촉매 설계 및 응용연구 사업단

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