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Assessment of microstructure, physical and thermal properties of bitumen modified with LDPE/GTR/elastomer ternary blends

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Formela, Krzysztof. Assessment of microstructure, physical and thermal properties of bitumen modified with LDPE GTR elastomer ternary blends.pdf (948,7Kb)
 
10.1016/j.conbuildmat.2015.12.108
 
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hdl:2117/83089

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Formela, Krzysztof
Sulkowski, Michal
Reza Saeb, Mohammad
Colom Fajula, XavierMés informacióMés informacióMés informació
Haponiuk, Josef T
Document typeArticle
Defense date2016-03-01
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
LDPE/GTR/elastomer ternary blends with variable LDPE/GTR ratio and constant elastomer content were prepared via melt-compounding. Obtained LDPE/GTR/elastomer blends were applied as thermoplastic modifiers into bitumen. Microstructure, physical and thermal properties of the modified bitumen were determined. It was observed that chemical composition of LDPE/GTR/elastomer blends has significant influence on their density and rheological behavior, which are also main factors affecting the dispersion of LDPE/GTR/elastomer blends into bitumen matrix and interfacial interactions between used components. Microstructure and thermal behavior of modified bitumen confirmed that physical interactions between bitumen and LDPE/GTR/elastomer blends are limited with increasing content of GTR. This phenomenon is due to mainly cross-linked structure of GTR and its low flowability. The conducted investigations showed that interfacial interactions between of thermoplastic modifier and bitumen, therefore the conventional and thermal properties of modified bitumen can be improved and easily modified by changing composition of LDPE/GTR/elastomer blends
CitationFormela, K., Sulkowski, M., Reza Saeb , M., Colom, X., Haponiuk, J.T. Assessment of microstructure, physical and thermal properties of bitumen modified with LDPE/GTR/elastomer ternary blends. "Construction & building materials", 01 Març 2016, vol. 106, p. 160-167. 
URIhttp://hdl.handle.net/2117/83089
DOI10.1016/j.conbuildmat.2015.12.108
ISSN0950-0618
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S0950061815307790
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