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dc.contributor.authorFormela, Krzysztof
dc.contributor.authorKlein, Marek
dc.contributor.authorColom Fajula, Xavier
dc.contributor.authorReza Saeb, Mohammad
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Química
dc.date.accessioned2016-02-18T11:29:01Z
dc.date.available2018-03-01T01:30:21Z
dc.date.issued2016-03-01
dc.identifier.citationFormela, K., Klein, M., Colom, X., Reza Saeb , M. Investigating the combined impact of plasticizer and shear force on the efficiency of low temperature reclaiming of ground tire rubber (GTR). "Polymer degradation and stability", 01 Març 2016, vol. 125, p. 1-11.
dc.identifier.issn0141-3910
dc.identifier.urihttp://hdl.handle.net/2117/83097
dc.description.abstractIn the present work, ground tire rubber (GTR) was mechano-chemically reclaimed at ambient temperature using two-roll mills. Road bitumen and styrene-butadiene-styrene (SBS)-modified bitumen at variable content (in range: 2.5-20 phr) were applied as reactive plasticizers to enhance reclaiming of GTR. For better understanding the plasticizing effect of bitumen on the quality of obtained reclaimed rubber, mechano-chemically reclaimed GTR has been compared with GTR after thermo-mechanical reclaiming via low temperature extrusion (120 °C), which allows generation of high shear forces on GTR. Reclaiming process was evaluated by oscillating disc rheometer measurements, followed by mechanical, physical, thermal, and morphological properties analyses performed on vulcanized reclaimed rubber. The obtained results showed that application of bitumen during mechano-chemical reclaiming of GTR improves processing and prevents oxidation of reclaimed GTR through enhancement of physical and chemical interactions between GTR and bitumen. On the other hand, high shear forces acting on GTR during thermo-mechanical reclaiming caused effective scission of cross-linking bonds, while at the same time an adverse oxidative degradation of GTR occurs. Noticeably, the type of bitumen strongly affected the nature of the interfacial interactions between GTR and bitumen. Plasticization/partial reclaiming of GTR (road bitumen, SBS-modified bitumen) and encapsulation of GTR (SBS modified bitumen) were confirmed by mechanical properties, FTIR, TGA and SEM measurements
dc.format.extent11 p.
dc.language.isoeng
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Enginyeria química
dc.subjectÀrees temàtiques de la UPC::Enginyeria dels materials
dc.subject.lcshTires, Rubber
dc.subject.lcshRubber--Analysis
dc.subject.lcshBitumen--Analysis
dc.subject.lcshRecycling
dc.subject.otherBitumen
dc.subject.otherGround tire rubber
dc.subject.otherLow temperature processing
dc.subject.otherReclaiming
dc.subject.otherRecycling
dc.titleInvestigating the combined impact of plasticizer and shear force on the efficiency of low temperature reclaiming of ground tire rubber (GTR)
dc.typeArticle
dc.subject.lemacPneumàtics -- Reciclatge
dc.subject.lemacCautxú
dc.subject.lemacBetum
dc.subject.lemacReciclatge (Residus, etc.) -- Material
dc.contributor.groupUniversitat Politècnica de Catalunya. POLQUITEX - Materials Polimérics i Química Téxtil
dc.identifier.doi10.1016/j.polymdegradstab.2015.12.022
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0141391015301725
dc.rights.accessOpen Access
local.identifier.drac17427935
dc.description.versionPostprint (author's final draft)
local.citation.authorFormela, K.; Klein, M.; Colom, X.; Reza Saeb, M.
local.citation.publicationNamePolymer degradation and stability
local.citation.volume125
local.citation.startingPage1
local.citation.endingPage11


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