Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
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Effect of Surface Treatments with Flame Plasma and Silane on Mechanical Properties of Silica Reinforced Elastomeric Composites

화염 플라즈마 및 실란 표면처리가 실리카 강화 고무복합재료의 기계적 특성에 미치는 영향

  • 이준만 (영남대학교 기계공학부 대학원) ;
  • 류상렬 (영남대학교 기계공학부) ;
  • 이동주 (영남대학교 기계공학부)
  • Received : 2011.07.13
  • Accepted : 2011.12.07
  • Published : 2011.12.31
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Abstract

The effect of surface treatments with the atmospheric pressure flame plasma (APFP) and epoxy silane (ES) is experimentally investigated to yield the best mechanical properties of silica ($V_f=40%$) reinforced elastomeric composites. The tensile strength of the composites is increased significantly with decrease the mean diameter. When the diameter is $2.2{\mu}m$, that of the composite is increased about 1.4 times compared to the matrix (2.52 MPa). Also, the tensile strength of silica reinforced composites with APFP and ES treated is increased 8.8~13.3%, 9.9~12.5%, respectively. When the diameter is $26.6{\mu}m$, the tensile modulus of the composite is increased about 2 times compared to the matrix (0.88MPa), and the tensile modulus of silica reinforced composites with APFP and ES treated is increased 15.6~22.8%, 21.1~5.8%, respectively. Conventional silane coupling agent treatment have a few disadvantages because of using organic solvents. However APFP treatment is a fast, economic and eco-friendly method to improve the mechanical properties.

대기압 화염 플라즈마(APFP) 및 에폭시 실란(ES) 표면처리 한 실리카($V_f=40%$) 강화 고무복합재료의 기계적 특성에 대한 실험적 연구를 수행하였다. 고무복합재료의 인장강도는 평균 입자경이 감소할수록 크게 증가하였고, 평균 입자경 $2.2{\mu}m$일때, 기지(2.52MPa)에 비해 1.4배 증가하였다. 또한 APFP 및 EP의 처리로 인장강도가 각각 8.8~13.3%, 9.9~12.5% 향상되었다. 평균 입자경이 $26.6{\mu}m$일 때, 고무복합재료의 인장탄성율은 기지(0.88MPa)에 비해 2배 증가하였고, APFP 및 EP의 처리로 인장 탄성율이 각각 15.6~22.8%, 21.1~25.8% 증가되었다. 기존의 실란 커플링제 처리방법은 유기용제의 사용 등의 몇 가지 단점을 가지고 있지만, APFP 처리법은 기계적 특성을 향상시키는데 빠르고, 경제적이며 친환경적인 방법이라 판단된다.

Keywords

References

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