Determination of modifier contents in polymer-modified bitumens and in samples collected from the roads using high performance gel permeation/size exclusion chromatography - Publication - Bridge of Knowledge

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Determination of modifier contents in polymer-modified bitumens and in samples collected from the roads using high performance gel permeation/size exclusion chromatography

Abstract

This paper describes application of high performance gel permeation/size exclusion chromatography (HP-GPC/SEC) for the determination of content of polymer modifiers in modified road bitumens. The obtained results were compared with the measurements based on the procedure recommended by the American Association of State Highway and Transportation Officials, which employs Fourier transform mid-infrared spectroscopy (mid-IR FTIR). Two most commonly used modifiers of paving bitumens, namely styrene-butadiene-styrene (SBS) and styrene-butadiene (SB) copolymers as well as modified bitumens sampled from various streets in the city of Gdansk (Poland) were investigated. This work confirmed the ability of GPC/SEC to distinguish modified road bitumens from unmodified ones. The developed methodology is particularly important in quality control of modified bitumens, as well as in arbitration analysis when there is a suspicion that the amount of modifier added to bitumen was lowered or that the material does not meet the specifications concerning the modifier content.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
Road Materials and Pavement Design no. 17, edition 3, pages 547 - 562,
ISSN: 1468-0629
Language:
English
Publication year:
2016
Bibliographic description:
Kosińska J., Boczkaj G., Gałęzowska G., Powysocka J., Przyjazny A., Kamiński M.: Determination of modifier contents in polymer-modified bitumens and in samples collected from the roads using high performance gel permeation/size exclusion chromatography// Road Materials and Pavement Design. -Vol. 17, iss. 3 (2016), s.547-562
DOI:
Digital Object Identifier (open in new tab) 10.1080/14680629.2015.1094398
Verified by:
Gdańsk University of Technology

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