Filler-Elastomer Interactions. 11. Influence of Atmospheric Pressure Plasma on Surface Properties of Nanoscaled Silicas

충전재-탄성체 상호작용. 11. 상압플라즈마 처리가 나노구조의 실리카 표면특성에 미치는 영향

  • Park, Soo-Jin (Advanced Materials Division, Korea Research Institute of Chemical Technology) ;
  • Jin, Sung-Yeol (Advanced Materials Division, Korea Research Institute of Chemical Technology) ;
  • Kaang, Shin-Young (Faculty of Applied chemical Engineering, Chonnam National University)
  • 박수진 (한국화학연구원 화학소재연구부) ;
  • 진성열 (한국화학연구원 화학소재연구부) ;
  • 강신영 (전남대학교 응용화학공학부)
  • Published : 2005.03.31


In this work, the effect of oxygen plasma treatment of nano-scaled silica on the mechanical interfacial properties and thermal stabilities of the silica/rubber composites was investigated. The surface properties of the silica were studied in X-ray photoelectron spectroscopy (XPS) and contact angles. And, their mechanical interfacial properties and thermal stabilities of the composites were characterized by tearing energy ($G_{IIIC}$) and thermogravimetric analysis (TGA), respectively. As a result, it was found that the introduction rate of oxygen-containing polar functional groups onto the silica surfaces was increased by increasing the plasma treatment time, resulting in improving the tearing energy. Also, the thermal stabilities of the composites were increased by increasing the treatment time. These results could be explained that the polar rubber, such as acrylonitrile butadiene rubber (NBR), showed relatively a high degree of interaction with oxygen-containing functional groups of the silica surfaces in a compounding system.


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