Sustainable Bitumen Modification Using Bio-Based Adhesion Promoters

Volodymyr Gunka (), Olha Poliak, Yurii Hrynchuk, Vitalii Stadnik, Yuriy Demchuk, Khrystyna Besaha, Andrii Galkin and Yan Pyrig
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Volodymyr Gunka: Department of Chemical Technology of Oil and Gas Processing, Lviv Polytechnic National University, 12 Bandera Street, 79013 Lviv, Ukraine
Olha Poliak: Department of Chemical Technology of Oil and Gas Processing, Lviv Polytechnic National University, 12 Bandera Street, 79013 Lviv, Ukraine
Yurii Hrynchuk: Department of Physical, Analytical and General Chemistry, Lviv Polytechnic National University, 12 Bandera Street, 79013 Lviv, Ukraine
Vitalii Stadnik: Department of Physical, Analytical and General Chemistry, Lviv Polytechnic National University, 12 Bandera Street, 79013 Lviv, Ukraine
Yuriy Demchuk: Department of Chemical Technology of Oil and Gas Processing, Lviv Polytechnic National University, 12 Bandera Street, 79013 Lviv, Ukraine
Khrystyna Besaha: Department of Information Protection, Lviv Polytechnic National University, 12 Bandera Street, 79013 Lviv, Ukraine
Andrii Galkin: Faculty of Road Construction, Kharkiv National Automobile and Highway University, 25 Yaroslava Mudroho Street, 61002 Kharkiv, Ukraine
Yan Pyrig: Faculty of Road Construction, Kharkiv National Automobile and Highway University, 25 Yaroslava Mudroho Street, 61002 Kharkiv, Ukraine

Sustainability, 2025, vol. 17, issue 16, 1-22

Abstract: The growing emphasis on sustainable road construction has stimulated interest in environmentally friendly bitumen modifiers. This study presents the development of biodegradable adhesion promoters synthesized via the amidation of renewable raw materials (rapeseed oil and higher fatty acids) with polyethylene polyamine. The main objective was to improve bitumen–aggregate adhesion while maintaining the essential physico-mechanical and rheological properties of the bitumen. The synthesized bio-based adhesion promoters were incorporated into penetration-grade bitumen at a dosage of 0.4 wt.%. Physico-mechanical testing confirmed that their inclusion does not significantly affect the fundamental properties of the bitumen, while substantially enhancing adhesion to both glass and mineral aggregates. Rheological analysis showed that the rapeseed oil-based adhesion promoter had minimal influence on viscoelastic behavior. In contrast, the fatty acid-based promoter increased the rutting resistance parameter (|G*|/sinδ) and decreased the phase angle (δ), indicating improved resistance to permanent deformation. FTIR spectroscopy further revealed that the fatty acid-based adhesion promoter significantly reduced the formation of carbonyl groups during short-term aging, suggesting a retardation in oxidative aging and potential rejuvenating effects. In conclusion, the proposed bio-based adhesion promoters, derived from renewable sources and fully biodegradable, represent a promising solution for enhancing bitumen performance and supporting the durability and sustainability of asphalt pavements.

Keywords: bitumen; adhesion promoters; amide; rapeseed oil; fatty acids (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:17:y:2025:i:16:p:7187-:d:1720521

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