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

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Química
dc.contributor	Universitat Politècnica de Catalunya. POLQUITEX - Materials Polimérics i Química Téxtil
dc.contributor.author	Formela, Krzysztof
dc.contributor.author	Sulkowski, Michal
dc.contributor.author	Reza Saeb, Mohammad
dc.contributor.author	Colom Fajula, Xavier
dc.contributor.author	Haponiuk, Josef T
dc.date	2016-03-01
dc.identifier.citation	Formela, 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.
dc.identifier.citation	0950-0618
dc.identifier.citation	10.1016/j.conbuildmat.2015.12.108
dc.identifier.uri	http://hdl.handle.net/2117/83089
dc.language.iso	eng
dc.relation	http://www.sciencedirect.com/science/article/pii/S0950061815307790
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials
dc.subject	Àrees temàtiques de la UPC::Enginyeria química
dc.subject	Tires, Rubber
dc.subject	Rubber--Analysis
dc.subject	Bitumen--Analysis
dc.subject	Recycling
dc.subject	Thermoplastic composites
dc.subject	GTR
dc.subject	Ground tire rubber
dc.subject	Modified bitumen
dc.subject	Recycling
dc.subject	Thermoplastic blends
dc.subject	Extrusion
dc.subject	Pneumàtics -- Reciclatge
dc.subject	Cautxú -- Extrusió
dc.subject	Betum
dc.subject	Termoplàstics
dc.subject	Reciclatge (Residus, etc.) -- Materials
dc.title	Assessment of microstructure, physical and thermal properties of bitumen modified with LDPE/GTR/elastomer ternary blends
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/article
dc.description.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

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