Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Effect of Environmental Factors including Ozone on the Properties of EPDM Rubber and CR Rubber Blend

오존을 포함한 환경인자가 EPDM고무와 CR고무 블렌드의 물성에 미치는 영향

  • 민성기 (부경대학교 응용화학공학부) ;
  • 이원기 (부경대학교 응용화학공학부) ;
  • 박예진 (부경대학교 응용화학공학부) ;
  • 현중원 (부경대학교 응용화학공학부) ;
  • 박찬영 (부경대학교 응용화학공학부)
  • Published : 2004.04.01
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Abstract

With the help of mechanical mixing method such as Banbury mixer and open 2 roll mill, ethylene propylene diene terpolymer (EPDM) was blended with the chloroprene rubber (CR) then mechanical properties and ozone resistance test of blends were subsequently investigated. It was noted that the hardness increased with an increasing of CR contents. Generally the hardness was increased with heat aging time most likely due to the post cure. In ozone resistance test of blend, after 8 hours a portion of fine crack is obtained for pure CR. It is confirmed that ozone resistance is greatly improved by addition of 25wt% EPDM to CR.

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References

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