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Article

Plant Waste-Based Bioadditive as an Antioxidant Agent and Rheological Modifier of Bitumen

1
Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Arcavacata di Rende, CS, Italy
2
Research Centre for Forestry and Wood, Council for Agricultural Research and Agricultural Economy Analysis, 87036 Rende, CS, Italy
*
Authors to whom correspondence should be addressed.
Materials 2024, 17(10), 2303; https://doi.org/10.3390/ma17102303
Submission received: 11 March 2024 / Revised: 9 April 2024 / Accepted: 8 May 2024 / Published: 13 May 2024
(This article belongs to the Section Construction and Building Materials)

Abstract

In recent times, circular economy initiatives in addition to the need for sustainable biomaterials have brought about several attempts at the eco-friendly, eco-sustainable and cost-effective production of asphalt pavements. It is an increasingly common practice in the asphalt industry to improve road pavement performance using additives to enhance the physico-chemical properties of bitumen, which performs the role of the binder in the asphalt mix. This paper evaluated the potential of a bio-based additive derived from olive leaf residue as a modifier and antioxidant agent for bitumen. Samples of neat, aged and doped aged bitumen were analyzed. In this study, the two bio-based additives were characterized in terms of phenol, chlorophyll, lignin and cellulose content, which was correlated with the mechanical properties of the tested samples. The mechanical properties of the neat, modified, aged and unaged samples were evaluated via Dynamic Shear Rheology. The bio-based additives proved to be promising and can improve the properties of bitumen binder and the performance of asphalt pavements in general.
Keywords: aged bitumen; antioxidant; light microscopy; olive leaves; rheology aged bitumen; antioxidant; light microscopy; olive leaves; rheology
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MDPI and ACS Style

Loise, V.; Abe, A.A.; Porto, M.; Muzzalupo, I.; Madeo, L.; Colella, M.F.; Rossi, C.O.; Caputo, P. Plant Waste-Based Bioadditive as an Antioxidant Agent and Rheological Modifier of Bitumen. Materials 2024, 17, 2303. https://doi.org/10.3390/ma17102303

AMA Style

Loise V, Abe AA, Porto M, Muzzalupo I, Madeo L, Colella MF, Rossi CO, Caputo P. Plant Waste-Based Bioadditive as an Antioxidant Agent and Rheological Modifier of Bitumen. Materials. 2024; 17(10):2303. https://doi.org/10.3390/ma17102303

Chicago/Turabian Style

Loise, Valeria, Abraham A. Abe, Michele Porto, Innocenzo Muzzalupo, Luigi Madeo, Maria Francesca Colella, Cesare Oliviero Rossi, and Paolino Caputo. 2024. "Plant Waste-Based Bioadditive as an Antioxidant Agent and Rheological Modifier of Bitumen" Materials 17, no. 10: 2303. https://doi.org/10.3390/ma17102303

APA Style

Loise, V., Abe, A. A., Porto, M., Muzzalupo, I., Madeo, L., Colella, M. F., Rossi, C. O., & Caputo, P. (2024). Plant Waste-Based Bioadditive as an Antioxidant Agent and Rheological Modifier of Bitumen. Materials, 17(10), 2303. https://doi.org/10.3390/ma17102303

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