Asphalt Sealant Containing the Waste Lubricant Oil

폐윤활유를 이용한 아스팔트 실란트

  • Kim, Seog-Jun (Department of Nano and Chemical Engineering, Kunsan National University) ;
  • Ko, Kum-Jin (Department of Nano and Chemical Engineering, Kunsan National University)
  • 김석준 (군산대학교 공과대학 나노화학공학과) ;
  • 고금진 (군산대학교 공과대학 나노화학공학과)
  • Published : 2009.03.30


Asphalt sealants for the crack repair of asphalt concrete road were prepared using waste lubricant oil in this work. The waste lubricant oil was compounded with asphalt(AP-5), SBS triblock copolymer, a tackifying agent(petroleum resin), and antioxidants. Cone penetration, softening point, ductility, elongation by tensile adhesion, and resilience of asphalt sealant compounds were measured. Cone penetration of asphalt sealant compounds increased with the increase of waste lubricant oil content while their softening point, ductility, and resilience decreased. By the addition of talc as an extender, softening point and resilience of asphalt sealants increased, but cone penetration, ductility, and elongation by tensile adhesion of those decreased with the proportion of talc content. The most economic asphalt sealant which could pass an ASTM specification could be manufactured by the big decrement of petroleum resin content.

본 연구에서는 폐윤활유를 이용하여 아스팔트 포장도로의 균열 보수에 주로 사용하는 아스팔트 실란트를 제조하였다. 아스팔트(AP-5), SBS 삼블록 공중합체(triblock copolymer), 점착제(석유수지) 및 산화방지제를 폐윤활유와 혼합하여 콘 침입도, 연화점, 신도, 흐름성, 인장 접착 신율 및 원상회복률을 측정하였다. 폐윤활유 함량이 증가함에 따라 아스팔트 실란트의 콘 침입도는 증가하였고 연화점, 신도 및 원상회복률은 감소하였다. 증량제로 탈크를 첨가할 경우 함량에 비례하여 연화점 및 원상회복률은 증가하였으나 콘 침입도, 신도 및 인장 접착 신율은 감소하였다. 석유수지 함량을 크게 줄여 ASTM 규격에 적합하면서도 가장 경제적인 균열 보수용 아스팔트 실란트를 제조할 수 있었다.



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