Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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A Study on the Stabilization of Asphalt Emulsion with Phase Inversion Emulsification Method

반전유화법에 의한 유화아스팔트의 안정성 연구

  • Heo, Woo-Sung (Department of Applied Chemistry, Cheongju University) ;
  • Lee, Eun-Kyoung (Department of Applied Chemistry, Cheongju University) ;
  • Choi, Sei-Young (Department of Applied Chemistry, Cheongju University)
  • 허우성 (청주대학교 응용화학과) ;
  • 이은경 (청주대학교 응용화학과) ;
  • 최세영 (청주대학교 응용화학과)
  • Published : 2009.06.30
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Abstract

In this study, asphalt emulsion was manufactured by phase inversion emulsification method with nonionic surfactants(Span 80, Span 60, Tween 80, and Tween 60), anionic surfactant(SLS) and cationic surfactant(Imidazole) in different feeding ratio to make up for the week points of asphalt. Its stabilization was carefully investigated with respect to droplet size, viscosity, zeta potential, and water-proofing property. When the surfactants mixed with nonionic and anionic surfactant were used into the asphalt, a stabilization of the asphalt emulsion was good. As the amount of the mixed surfactant was increased, the droplet size of asphalt emulsion were decreased, while the viscosity and zeta potential were increased. When the surfactants mixed with nonionic and anionic surfactant were used into the asphalt, a stabilization of asphalt emulsion was good.

본 연구에서는 아스팔트가 가지는 단점을 보완하고자 아스팔트를 비이온 계면활성제(Span 80, Span 60, Tween 80, 및 Tween 60), 음이온 계면활성제(SLS), 및 양이온 계면활성제(Imidazole)를 변량 배합하여 반전유화법으로 아스팔트 에멀젼을 제조하였다. 유화아스팔트의 안정성을 규명하고자 입자크기, 점도, 제타전위, 및 내수성을 고찰하였다. 비이온 계면활성제와 음이온 계면활성제를 혼합 사용할 경우 유화아스팔트의 안정성은 우수하였으며 계면활성제의 양이 증가함에 따라 입자크기는 감소하였고, 반면에 점도와 제타전위 및 내수성은 증가하였다.

Keywords

References

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