Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 160, Issue -, Pages 714-724Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2017.11.112
Keywords
Waste engine oil; Recycled engine oil bottoms; Polymer modification; Waste polymers; Performance; Rheology; Heavy metals; Thermogravimetric analysis; FTIR analysis
Categories
Funding
- Portuguese Government
- EU/FSE within a FCT PhD grant [SFRH/BD98379/2013]
- ERDF through the Competitiveness Factors Operational Programme (COMPETE)
- Portuguese Foundation for Science
- Portuguese Government Technology (FCT) [PTDC/ECM/119179/2010]
- Fundação para a Ciência e a Tecnologia [PTDC/ECM/119179/2010] Funding Source: FCT
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The reduction in the use of natural and finite resources and the reuse of waste materials are current concerns of different research areas. Therefore, the main aim of this study is to develop enhanced modified bitumens with waste engine oil and recycled engine oil bottoms combined with polymers (waste polyethylene, crumb rubber and styrene-butadienestyrene), in order to minimize the use of bitumen. After a thermochemical characterization, different compositions were studied with penetration, softening point and viscosity tests. The bitumens modified with waste engine oil products and polymers have similar penetration values, and softening point temperatures higher than those of commercially modified binders. A rheological analysis of the most encouraging solutions showed low thermal susceptibility, high values of high temperature PG and low non-recoverable creep compliance values, which could indicate a promising performance using high amounts of waste materials. (C) 2017 Elsevier Ltd. All rights reserved.
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