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THE STRUCTURE AND GROUP COMPOSITION OF BITUMEN, MODIFIED BY -ADGEZOLIN- ADDITIVE

I.I. Mukhamatdinov, P.S. Fakhretdinov, A.F. Kemalov

First published: 2017-11-20https://doi.org/10.5593/sgem2017h/15/s06.073View metrics

Abstract

Changes in group chemical composition in the modification processes are not dependent just on physical and chemical characteristics of bitumen, but rather on structural features of raw material composition and its modification products. The investigation of bitumen is difficult due to formation of paraffinic, naphthenic and aromatic group combinations. The result of modification is bitumen transformation, and this phenomenon is observed by quantitative change in structural fragment content. One of the most informative and sensitive instrumental analysis method of complex mixtures is the IR spectroscopy. The spectral coefficients defined as a value of an optical density at maximum corresponding absorption band in the range of 2000пїЅ400 cm-1 were calculated (?1=D1600/D720 - aromatics, C2=D1710/D1465 - oxidation, C3=D1380/D1465 - branching, C4=(D720+D1380)/D1600 - aliphatics, C5=D1030/D1465 - sulphur). As a result, the structure and group composition of initial and modified bitumen and their fractions: paraffin-naphthenic hydrocarbons, mono-, bi-, polycyclic hydrocarbons, resins and asphaltenes are investigated. The influence of adhesive additive to bitumen and its components by IR spectroscopy is revealed.

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Publication details

Title
THE STRUCTURE AND GROUP COMPOSITION OF BITUMEN, MODIFIED BY -ADGEZOLIN- ADDITIVE
Authors
I.I. Mukhamatdinov, P.S. Fakhretdinov, A.F. Kemalov
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining
Publisher
STEF92 Technology
Year
2017
Pages
575-582
SWS Citekey
Mukhamatdinov20176575582
ISSN
1314-2704
ISBN
978-619-7408-26-3
Language
en
Publication type
Conference Paper
Keywords
adhesive additiveoxidized bitumenspectral coefficientsIR-spectroscopy.
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