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Compatibility and Mechanical Properties of Epoxy Resin Modified Asphalt Binders

並列摘要


Epoxy asphalt binder is an excellent road material. A good compatibility between the epoxy resin and asphalt fulfills the basic requirement to achieve the goal of improving asphalt performance. The compatibility, morphology and mechanical properties were analyzed and evaluated by combining hot storage test with soxhlet extraction method, fluorescent microscopy and mechanical test, respectively. The results indicated that the compatibility and the flexibility of epoxy asphalt are bad, and these properties can be improved by adding solubilizer and styrene-butadiene-styrene (SBS) triblock copolymer. The effects of solubilizer and SBS contents on the compatibility, mechanical properties and morphologies of the epoxy asphalt are investigated. The epoxy asphalts showed better compatibility and elongation at break when solubilizer and SBS were added. Therefore, the use of solubilizer and SBS can be considered a suitable alternative for modification of epoxy asphalt in pavement.

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