Elastomers and Composites

  • 제39권1호
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  • Pages.61-70
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  • 2004
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  • 2092-9676(pISSN)
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  • 2288-7725(eISSN)
한국고무학회 (The Rubber Society of Korea)
권호 표지

폐식용유를 이용한 아스팔트 실란트

Asphalt Sealant Containing the Waste Edible Oil

  • 김석준 (군산대 재료.화학공학부)
  • Kim, Seong-Jun (School of Material Science & Chemical Engineering, Kunsan National University)
  • 발행 : 2004.03.31
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⟨ 이전 논문 다음 논문 ⟩

초록

본 연구는 폐식용유를 이용하여 아스팔트계 봉함재(sealant)를 제조하는 것이다. 아스팔트계 봉함재는 포장도로의 균열 봉함재 및 교량 조인트용 봉함재로 사용되는 재료이다. 아스팔트(AP-5), 열가소성 고무(SBS triblock copolymer), 점착제(tackifier) 및 안정제를 기본 성분으로 하여 연화제로 방향족계 또는 파라핀계 공정유, DOP(dioctyl phthalate), 벙커 C유 또는 폐식용유와 혼합하여 침입도, 연화점, 신도 및 인장 접착 신율(상온 및 저온)을 측정하였다. 연화제의 종류 및 함량에 따라 봉함재의 물성이 크게 변화하였다. 폐식용유 또는 DOP를 사용한 경우가 저온 인장 접착 특성이 가장 우수하였다. 폐식용유 함량이 증가함에 따라 아스팔트 봉함재의 침입도는 및 인장 접착 신율은 증가하였고 증량제로 탈크를 첨가할 경우 함량에 비례하여 침입도 및 저온 인장 신율은 감소하였다. 배합비를 최적화하여 침입도가 낮으면서도 저온 인장 접착성이 우수한 아스팔트 봉함재를 제조할 수 있었다.

This work is about the development or asphalt sealant using the waste edible oil. Asphalt sealant has been used for crack filler and bridge deck joint sealer Several plasticizers such as aromatic or paraffin process oils, DOP, Bunker C fuel oil, and waste edible oil were compounded with the basic components such as asphalt(AP-5), a thermoplastic elastomer(SBS triblock copolymer), a tackifying agent(petroleum resin), and stabilizers. Penetration, softening point, ductility, and elongation by tensile adhesion of those asphalt sealant compounds were measured. Their properties were changed largely depending on both the type and content of plasticizers. Waste edible oil and DOP were the best plasticizers for the low temperature tensile adhesion characteristics. Penetration and elongation by tensile adhesion of asphalt sealant compounds increased with the increase of waste edible oil content and decreased with the increase of talc content. The manufacture of asphalt sealant with low penetration and excellent low temperature tensile adhesion was possible by the recipe optimization.

키워드

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