Observation of Desolvation of Asphaltenes During Bitumen Heating
Abstract: The paper presents DSC curves of bitumen of road 40/60, obtained during the first and repeated heating of a sample in an equilibrium state. The temperature anomalies observed on these curves and their enthalpies are analyzed. Particular attention is paid to the process of desolvation of the asphaltene core (leading to the destruction of micelles) and subsequent dispersion of asphaltene nanoaggregates. It was concluded that it is possible to regulate the structural organization of bitumens by setting the appropriate temperature prehistory.
Keywords: asphaltene nan aggregates, structure, phase transformations, influence on the properties of oil systems.
Pages: 108-113.
For citation: Bratchun, V. I.; Narizhnaya, O. N.; Stukalov, A. A. [et al.]. Observation of Desolvation of Asphaltenes During Bitumen Heating. – Text : electronic. – In: Proceeding of the Donbas National Academy of Civil Engineering and Architecture. – 2018. – Issue 2018-1(129) Modern building materials. – Р. 108-113. – URL: https://donnasa.ru/publish_house/journals/vestnik/2018/2018-1(129)/st_16_bratchun_narygnaya_stukalov_urutin.pdf (date of access: 19.11.2024). – ISSN 2519-2817.
Issue 2018-1 (129)
Journal: Proceeding of the Donbas National Academy of Civil Engineering and Architecture
Publish house: Donbas National Academy of Civil Engineering and Architecture
Journal: Proceeding of the Donbas National Academy of Civil Engineering and Architecture
Publish house: Donbas National Academy of Civil Engineering and Architecture