Study of Road Bitumen Operational Properties Modified with Phenol–Cresol–Formaldehyde Resin

Yuriy Demchuk (), Volodymyr Gunka, Iurii Sidun, Bohdan Korchak, Myroslava Donchenko, Iryna Drapak, Ihor Poliuzhyn and Serhiy Pyshyev ()
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Yuriy Demchuk: Department of Chemical Technology of Oil and Gas Processing, Lviv Polytechnic National University, 79013 Lviv, Ukraine
Volodymyr Gunka: Department of Chemical Technology of Oil and Gas Processing, Lviv Polytechnic National University, 79013 Lviv, Ukraine
Iurii Sidun: Department of Highways and Bridges, Lviv Polytechnic National University, 79013 Lviv, Ukraine
Bohdan Korchak: Department of Civil Safety, Lviv Polytechnic National University, 79013 Lviv, Ukraine
Myroslava Donchenko: Department of Chemical Technology of Oil and Gas Processing, Lviv Polytechnic National University, 79013 Lviv, Ukraine
Iryna Drapak: Department of General, Bioinorganic, Physical and Colloidal Chemistry, Danylo Halytsky Lviv National Medical University, 79010 Lviv, Ukraine
Ihor Poliuzhyn: Department of Physical, Analytical and General Chemistry, Lviv Polytechnic National University, 79013 Lviv, Ukraine
Serhiy Pyshyev: Department of Chemical Technology of Oil and Gas Processing, Lviv Polytechnic National University, 79013 Lviv, Ukraine

Resources, 2025, vol. 14, issue 6, 1-26

Abstract: Using a relatively inexpensive method, phenol–cresol–formaldehyde resin (PhCR-F) was produced utilizing the byproducts of coal coking. It is shown that petroleum road bitumens, to which 1.0 wt.% PhCR-F is added, in terms of basic physical and mechanical parameters, comply with the requirements of the regulatory document for bitumens modified with adhesive additives. Research on the operational properties of these modified bitumens as a binding material for asphalt concrete is described. It has been proven that modified bitumen can store stable properties during its application (resistance to aging). The interaction of bitumens modified by PhCR-F with the surfaces of mineral materials, which occurs during the creation of asphalt concrete coatings, was studied. It was shown that adding 1.0 wt.% PhCR-F to road bitumen significantly improves the adhesion of the binder to the mineral material and increases the hydrophobicity of such a coating. The production of effective bitumen modifiers from non-target coking products of coal will not only make it possible to use new resources in road construction but will also increase the depth of decarbonization of the coking industry.

Keywords: bitumen binders; decarbonization; phenol–cresol–formaldehyde resin; adhesion; rolling bottle test; scanning electron microscopy; surface free energy (search for similar items in EconPapers)
JEL-codes: Q1 Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2025
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