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Article

Effects of Laboratory Ageing on the FTIR Measurements of Water-Foamed Bio-Fluxed Asphalt Binders

by
Marek Iwański
1,*,
Anna Chomicz-Kowalska
1,
Krzysztof Maciejewski
1,
Mateusz M. Iwański
2,
Piotr Radziszewski
3,
Adam Liphardt
3,
Jan B. Król
3,
Michał Sarnowski
3,
Karol J. Kowalski
3 and
Piotr Pokorski
3
1
Department of Transportation Engineering, Faculty of Civil Engineering and Architecture, Kielce University of Technology, Al. Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, Poland
2
Department of Building Engineering Technologies and Organization, Faculty of Civil Engineering and Architecture, Kielce University of Technology, Al. Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, Poland
3
Institute of Road and Bridges, Faculty of Civil Engineering, Warsaw University of Technology, Al. Armii Ludowej 16, 00-637 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Materials 2023, 16(2), 513; https://doi.org/10.3390/ma16020513
Submission received: 13 December 2022 / Revised: 22 December 2022 / Accepted: 3 January 2023 / Published: 5 January 2023
(This article belongs to the Special Issue Advances in Asphalt Materials)
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Abstract

The study investigated the effects of laboratory ageing on the fluxed and water-foamed asphalt binders in scope of Fourier transform infrared spectroscopic measurements of ageing indicators and changes in their chemical composition. The investigated binders included two paving grades, two polymer modified asphalt binders, and a highly modified asphalt binder. The bio-flux additive was produced from rapeseed methyl esters in an oxidation reaction in the presence of a metal catalyst and organic peroxide. The use of the bio-origin additive, in particular oil derivatives, was aimed at softening and better foaming of asphalt binders. This modification is possible due to the good mixability of vegetable oils with an asphalt binder, which gives a homogeneous product with reduced stiffness. The study involved the rolling thin film oven, short-term, and the pressure ageing vessel, long term, and ageing to induce oxidation on the evaluated asphalt binders. The addition of the bio-flux additive has significantly decreased the measured content of ketone compounds related to oxidation in both non-aged and aged asphalt binders, although this effect after ageing were far smaller in magnitude. Additionally, both ageing processes decreased significantly the absorbances in the ester spectral bands specific to the bio-flux additive. All mentioned effects were similar in magnitude in all tested asphalt binders.
Keywords: foamed bitumen; fluxing agent; polymer modified asphalt binder; highly modified asphalt binder; short-term ageing; long-term ageing; FTIR foamed bitumen; fluxing agent; polymer modified asphalt binder; highly modified asphalt binder; short-term ageing; long-term ageing; FTIR

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MDPI and ACS Style

Iwański, M.; Chomicz-Kowalska, A.; Maciejewski, K.; Iwański, M.M.; Radziszewski, P.; Liphardt, A.; Król, J.B.; Sarnowski, M.; Kowalski, K.J.; Pokorski, P. Effects of Laboratory Ageing on the FTIR Measurements of Water-Foamed Bio-Fluxed Asphalt Binders. Materials 2023, 16, 513. https://doi.org/10.3390/ma16020513

AMA Style

Iwański M, Chomicz-Kowalska A, Maciejewski K, Iwański MM, Radziszewski P, Liphardt A, Król JB, Sarnowski M, Kowalski KJ, Pokorski P. Effects of Laboratory Ageing on the FTIR Measurements of Water-Foamed Bio-Fluxed Asphalt Binders. Materials. 2023; 16(2):513. https://doi.org/10.3390/ma16020513

Chicago/Turabian Style

Iwański, Marek, Anna Chomicz-Kowalska, Krzysztof Maciejewski, Mateusz M. Iwański, Piotr Radziszewski, Adam Liphardt, Jan B. Król, Michał Sarnowski, Karol J. Kowalski, and Piotr Pokorski. 2023. "Effects of Laboratory Ageing on the FTIR Measurements of Water-Foamed Bio-Fluxed Asphalt Binders" Materials 16, no. 2: 513. https://doi.org/10.3390/ma16020513

APA Style

Iwański, M., Chomicz-Kowalska, A., Maciejewski, K., Iwański, M. M., Radziszewski, P., Liphardt, A., Król, J. B., Sarnowski, M., Kowalski, K. J., & Pokorski, P. (2023). Effects of Laboratory Ageing on the FTIR Measurements of Water-Foamed Bio-Fluxed Asphalt Binders. Materials, 16(2), 513. https://doi.org/10.3390/ma16020513

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