화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.37, No.11, 2075-2083, November, 2020
DOI10.1007/s11814-020-0620-4  Export Citation
Fracture toughness enhancement of epoxy resin reinforced with graphene nanoplatelets and carbon nanotubes
Shan-Shan Yao, Chun-Liu Ma1, Fan-Long Jin†, and Soo-Jin Park2, †
  • Department of Polymer Materials, Jilin Institute of Chemical Technology, Jilin City 132022, P. R. China
  • 1Changchun Hyperions Scientific Co., Ltd., Changchun City 130000, P. R. China
  • 2Department of Chemistry, Inha University, Nam-gu, Incheon 22212, Korea
E-mail:,
Graphene nanoplatelets (GNPs)/silane-coupling-agent-treated GNPs (KH- GNPs) and hydroxyl multi-walled carbon nanotubes (MWCNTs-OH) were added as reinforcing agents to an epoxy matrix, diglycidylether of bisphenol-A (DGEBA), to improve the fracture toughness of DGEBA. The influence of the MWCNT-OH fraction on the thermal and flexural properties, fracture toughness, and morphology of the DGEBA/GNP/MWCNT-OH and DGEBA/ KH-GNP/MWCNT-OH nanocomposites was investigated. The results indicate that the fracture toughness of the DGEBA/KH-GNP/MWCNT-OH nanocomposites increased from 1.09 to 1.46MPa·m1/2, which is 33.9% greater than that of pristine DGEBA. Analysis of the fracture surfaces of the nanocomposites showed a rough morphology with numerous tortuous and river-like structures. In addition, the MWCNTs-OH were slightly pulled out or broken in the epoxy matrix during the fracture toughness tests.
Keywords:Epoxy Resin;Graphene Nanoplatelets;Carbon Nanotubes;Flexural Properties;Fracture Toughness
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