Abstract:When added to aged bitumen, oil-based rejuvenators are expected to restore its original properties to some degree. The extent of the rejuvenation depends on the composition of the oils. In this study, the effect of individual components of vegetable oils on blends with bitumen was investigated. 5 and 10 wt% of two free fatty acids, oleic acid and linoleic acid, and one triglyceride, triolein, was blended with bitumen and thereafter the blends underwent thermal aging at high temperatures under air in a ventilat… Show more
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