Self-Healing Asphalt Prepared by using Ionic Epoxy Resin

Lee, Young-Jik; Seo, Jun-Young; Kim, Seo-Yeon; Lee, Seung-Hyun; Hong, Young-Keun

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자료유형: 학술저널

저자정보: Lee, Young-Jik (Department of Polymer Engineering, The University of Suwon) Seo, Jun-Young (Department of Polymer Engineering, The University of Suwon) Kim, Seo-Yeon (Department of Polymer Engineering, The University of Suwon) Lee, Seung-Hyun (Department of Polymer Engineering, The University of Suwon) Hong, Young-Keun (Department of Polymer Engineering, The University of Suwon)

저널정보: 한국고무학회 Elastomers and composites 엘라스토머 및 콤포지트 제50권 제3호

발행연도: 2015.1

수록면: 167 - 174 (8page)

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Anionic epoxy compound was synthesized and added to asphalt aiming to prepare self-healing asphalt. Epoxy-modified asphalt showed excellent modification effect and healing effect as well. The results revealed that with 5% addition of polymer the tensile strength, impact strength and complex shear modulus of the polymer-modified asphalt increased by 65%. 64% and 35%, respectively. It seems that high interaction occurs between polymer and asphalt matrix. Self-healing efficiency of the polymer-modified asphalt based on tensile strength showed 100%, comparing to 79% of straight asphalt. In impact experiment the polymer-modified asphalt showed 99% of healing efficiency, comparing to 77% of straight asphalt. In rheological experiment the polymer-modified asphalt showed 103% of healing efficiency, comparing to 72% of straight asphalt. It appears that the ionic bonding existing in epoxy polymers contributed to high values of self-healing efficiency. The polymer which has high intermolecular force fills the crack of the asphalt, pulling the opponent side each other, and so the original properties were restored.

#anionic epoxy compound #healing agent #self-healing asphalt #crack healing #healing efficiency

참고문헌 (15)

참고문헌 신청

J. H. Collins / 1992 / Long and Short Term Stability of Straight and Polymer Modified Asphalts / Rubber World 206:32

2013 / Self healing materials concept and application / NL Agency

P. Wang / 1994 / Ethanol-induced crack healing in poly(methyl methacrylate) / J. Polym. Sci. B 32:1217

C. B. Lin / 1990 / Methanol-Induced crack healing in poly(methyl methacrylate) / Polym. Eng. Sci. 30:1399

J. S. Shen / 1984 / Rubber Chem. Technol. 57(3):652

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