Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Filler-Elastomer Interactions. 10. Ozone Treatment on Interfacial Adhesion of Carbon Blacks/NBR Compounds

충전재-탄성체 상호작용. 10. 카본블랙/NBR 복합재료의 계면 접착에 미치는 오존처리의 영향

  • Cho, Ki-Sook (Advanced Materials Division, Korea Research Institute of Chemical Technology) ;
  • Zaborski, M. (Institute of Polymers, Technical University of Lodz) ;
  • Slusarski, L. (Institute of Polymers, Technical University of Lodz) ;
  • Park, Soo-Jin (Advanced Materials Division, Korea Research Institute of Chemical Technology)
  • 조기숙 (한국화학연구원 화학소재연구부) ;
  • ;
  • ;
  • 박수진 (한국화학연구원 화학소재연구부)
  • Published : 2003.06.30
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Abstract

In this work, the influence of ozone treatment on surface properties of carbon black is investigated in terms of X-ray photoelectron spectroscopy (XPS) and contact angles. And their mechanical interfacial properties of the carbon black/acrylonitrile butadiene rubber (NBR) compounds are studied by the crosslink density and composite tearing energy ($G_{IIIC}$). As a result, it is found that the increasing of the ozone concentration leads to an increase of the introduction rate of oxygen-containing functional groups onto carbon black surfaces and to an increase of the surface free energy, resulting in improving both crosslink density and tearing energy ($G_{IIIC}$) of the compounds. The results can be explained by the fact that the oxygen-containing functional groups of carbon black surfaces make an increase of the degree of adhesion at interfaces between carbon blacks and rubber matrix.

본 연구에서는, 오존 처리에 의한 카본블랙의 표면특성을 X-ray photo-electron spectroscopy (XPS)와 접촉각을 통하여 알아보았으며, 카본블랙/acrylonitrile butadiene rubber (NBR) 복합재료의 기계적 물성은 가교밀도와 인열 에너지 ($G_{IIIC}$)를 측정하여 관찰하였다. 본 실험결과, 오존 처리에 의해 카본블랙 표면에 도입된 산소를 함유한 관능기가 카본블랙의 표면자유에너지를 증가시켰으며, 결과적으로 고무 복합재료의 가교밀도와 인열 에너지가 향상되었다. 이러한 결과는 오존처리에 의해 카본블랙 표면에 도입된 산소를 함유한 관능기가 카본블랙과 고무사이의 계면 결합력을 증가시켜 고무 복합재료의 기계적 물성을 향상시킨 것을 확인할 수 있었다.

Keywords

References

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