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Study of the Effect of Modification of Asphalt on the Rheological Properties Employing Microwave Radiation—An Aging Study
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This paper is not about microplastics; it investigates how microwave radiation and aluminum chloride catalyst improve the rheological properties and aging resistance of rubber-modified asphalt (bitumen).
This study focuses on producing asphalt with improved rheological properties that differ from the original asphalt and are less affected by aging conditions. The rheological properties of Qayara asphalt were enhanced by modifying the asphalt using spent rubber tire (SRT) with different percentages of anhydrous aluminum chloride. Percentages ranging from 1.0% by weight of the spent tire rubber were added after proceeding with the thermal crushing process. The percentages of anhydrous aluminum chloride catalyst were 0.4 and 0.8%, respectively. This mixture was microwaved at 270 watt of power for 4, 8, and 12 min, respectively. The measurements performed are plasticity, penetration, softening point, and penetration index. The previously mentioned measurements were also made on the modified asphalt one year after the modification process to understand the effect of aging conditions. The microstructure and thermodynamics have been characterized by FE-SEM and EDX measurements. This study provides good rheological properties of the modified bitumen binder that is aging-resistant.
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Optimization of Asphalt Concrete Performance Using Waste Plastic Bottles (WPB) as a Sustainable Bitumen Modifier: A Comprehensive Rheological and Mechanical Assessment
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Not relevant to microplastics — this study evaluates waste plastic bottles as a bitumen modifier to improve asphalt road performance, testing mechanical and thermal properties; it addresses plastic reuse in construction rather than environmental microplastic pollution.
Recent Advances in Polymer-Modified and Plastic-Reinforced Asphalt: A Comprehensive Review of Performance, Rheology, and Sustainability
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Researchers reviewed recent developments in polymer-modified and plastic-reinforced asphalt systems, synthesising findings on performance enhancement, rheological behaviour, and sustainability implications of incorporating recycled plastics and polymer modifiers into asphalt binders and mixtures.
Recent Advances in Polymer-Modified and Plastic-Reinforced Asphalt: A Comprehensive Review of Performance, Rheology, and Sustainability
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This review consolidates advances from 2020-2025 in polymer-modified asphalt systems — covering elastomeric and plastomeric modifiers, recycled plastic incorporation, rheological characterisation, and environmental implications — to evaluate how plastic reinforcement of asphalt can improve pavement durability while supporting sustainability goals.
Recent Advances in Polymer-Modified and Plastic-Reinforced Asphalt: A Comprehensive Review of Performance, Rheology, and Sustainability
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This review examines recent advances in polymer-modified and plastic-reinforced asphalt, evaluating how elastomeric modifiers, plastomeric modifiers, and recycled plastic integration affect pavement performance, rheological properties, and environmental sustainability across studies published from 2020 to 2025.
Functionalized recycled polyethylene for asphalt modification: Performance enhancement and interfacial mechanisms
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Scientists found a way to turn old plastic bottles into a better road-paving material by chemically treating the plastic so it bonds more strongly with asphalt. This matters because it could keep more plastic waste out of landfills and oceans, potentially reducing the plastic pollution that breaks down into microplastics in our environment and water supply.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.