Sustainable Adhesion Additive Improving Road Bitumen Properties with Rapeseed Oil Waste

Rashid Nadirov, Tlek Ketegenov, Aisulu Batkal, Sergey Kalugin, Bagdat Teltayev (), Paolino Caputo, Cesare Oliviero Rossi (), Kaster Kamunur, Zhanibek Assylkhanov and Timur Osserov
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Rashid Nadirov: Institute of Combustion Problems, Almaty 050012, Kazakhstan
Tlek Ketegenov: Institute of Combustion Problems, Almaty 050012, Kazakhstan
Aisulu Batkal: Institute of Combustion Problems, Almaty 050012, Kazakhstan
Sergey Kalugin: Institute of Combustion Problems, Almaty 050012, Kazakhstan
Bagdat Teltayev: Institute of Combustion Problems, Almaty 050012, Kazakhstan
Paolino Caputo: Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Rende, Italy
Cesare Oliviero Rossi: Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Rende, Italy
Kaster Kamunur: Institute of Combustion Problems, Almaty 050012, Kazakhstan
Zhanibek Assylkhanov: Institute of Combustion Problems, Almaty 050012, Kazakhstan
Timur Osserov: Institute of Combustion Problems, Almaty 050012, Kazakhstan

Sustainability, 2025, vol. 17, issue 4, 1-14

Abstract: This paper introduces a novel method for synthesizing a cationic adhesion additive for road bitumen. The method involves condensing higher carboxylic acids and triglycerides of non-edible rapeseed oil with diethanolamine. The details of this innovative synthesis, the properties of the additive, and its action mechanism are shown in the results of this investigation. The surfactants in the synthesized products were identified by IR spectroscopy. They have significant practical implications. Different methods were used to investigate bitumen adhesion of acidic rock materials without and with additives. The results of the wetting angle study on the surface of rock materials changed from 19.81° to 80.33°, indicating a significant and remarkable improvement in its surface hydrophobicity. Moreover, the unique feature of the additive does not require dilution in organic solvents before use, which makes it highly practical for direct use.

Keywords: bitumen; rapeseed oil; diethanolamine; adhesion additive (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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