Investigation of physiochemical and rheological properties of waste cooking oil/SBS/EVA composite modified petroleum asphalt

Abstract

The objective of this research is to investigate the physiochemical and rheological properties of waste cooking oil (WCO)/styrene‐b‐butadiene‐b‐styrene/ethylene vinyl acetate (SBS/EVA) composite modified asphalt. A petroleum asphalt composite modified with SBS/EVA and oil/SBS/EVA were prepared to undergo the physical, rheological, and microscopic experiments. Comparing these tests results with the properties of unmodified petroleum asphalt, SBS and EVA cause an improvement in pavement performance, but weaken the storage stability. Although the high‐temperature performance undermined by the addition of WCO, the thermal stability, fatigue property, and low temperature crack resistance improved obviously. In addition, WCO mainly composed by low‐weight components, and these can supplement the light components in the polymer‐modified asphalt. EVA could increase the percentage of large molecular size of asphalt, while WCO relieves this trend. The reactions between WCO and these polymers (SBS and EVA) are physical reactions. Atomic force microscopy morphology results reflect that SBS and EVA increase the surface complexity and roughness, and WCO makes the asphalt surface smooth. This indicates WCO increases the dispersion of polymers in asphalt. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48828.

Preparation of hyperbranch‐structured polyester fiber via thiol‐ene click reaction under UV light irradiation for asphalt binder modification

“…1 However, issues like rutting, oil flooding, severity of environmental agents, and economic growth leading to a concurrent increase in traffic loads has greatly hindered these applications of asphalt. 2 Hence, improving the mechanical properties of styrene-butadiene-styrene modified asphalt (SBSMA) with network structure 3 under high temperature by adding additives has been widely studied. 4 Among the various types of additives, fiber has attracted tremendous attention and recognition due to its prominently enhanced mechanical properties and high heat resistance.…”

“…The block polymer, especially styrene‐butadiene‐styrene is commonly used as the modifier for asphalt binder attributed to its abundant availability, cost‐effectiveness, and acceptable performance 1 . However, issues like rutting, oil flooding, severity of environmental agents, and economic growth leading to a concurrent increase in traffic loads has greatly hindered these applications of asphalt 2 . Hence, improving the mechanical properties of styrene‐butadiene‐styrene modified asphalt (SBSMA) with network structure 3 under high temperature by adding additives has been widely studied 4 .…”

Waste Cooking Oil as a Sustainable Bio Modifier for Asphalt Modification: A Review

“…The result concluded that all modified samples exhibit poor resistance against rutting and higher fatigue resistance compared to base binder 60/70. Furthermore, few other studies observed a mixed trend of rutting and fatigue parameters of the modified binder incorporation of WCO with additional modifiers [30,81,94].…”

“…Consistently, styrene-butadiene-styrene (SBS) and ethylene-vinyl acetate (EVA) can improve low-temperature deformation by increasing the ductility value of asphalt binder. A study conducted by Liu et al [94] investigated the change in the physical behavior of SBS/EVA-modified asphalt and it was concluded that by the addition of 10% WCO in the SBS/EVA-modified binder improved the ductility value. This explains that SBS and EVA make a crosslinking translation in asphalt, which allows it to utilize more quantities of WCO and collectively leads to a pronounced increase in ductility value.…”

“…As a result, to improve rutting resistance, additional additives or composite materials should be considered before including WCO into the binder, with cautions based on the site's climatic circumstances. Furthermore, Liu et al [94] reported the SBS-and EVA-modified asphalt outcomes in conjunction with the WCO. The low-temperature property of the modified binder was compromised and does not appear to enhance the performance.…”