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Influence of the characteristics of expandable graphite on the morphology, thermal properties, fire behaviour and compression performance of a rigid polyurethane foam

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dc.affiliation.dptoUC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Químicaes
dc.contributor.authorAcuña Domínguez, Pablo Alberto
dc.contributor.authorLi, Zhi
dc.contributor.authorSantiago Calvo, Mercedes
dc.contributor.authorVillafane, Fernando
dc.contributor.authorRodríguez Pérez, Miguel Ángel
dc.contributor.authorWang, De-Yi
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2023-09-06T10:28:12Z
dc.date.available2023-09-06T10:28:12Z
dc.date.issued2019-01
dc.descriptionThis article belongs to the Special Issue Multi-functional Polymer Composites and Structures.en
dc.description.abstractThree types of expandable graphite (EG) differing in particle size and expansion volume, are compared as flame retardant additives to rigid polyurethane foams (RPUFs). In this paper we discuss microstructure, thermal stability, fire behavior, and compression performance. We find that ell size distributions were less homogeneous and cell size was reduced. Furthermore, thermal conductivity increased along with EG loading. Thermogravimetric analysis (TGA) showed that EG only increased residue yield differently. The results indicate that a higher expansion of EG increased the limiting oxygen index (LOI) value, whereas a bigger particle size EG improved the rating of the vertical burning test (UL94). Results from the cone calorimeter test showed that a bigger particle size EG effectively reduced peak of heat release rate (pHRR). Furthermore, a higher expansion, led to a decrease in smoke production (TSP). The combination of both characteristics gives extraordinary results. The physical-mechanical characterization of the EG/RPUF foams revealed that their compression performance decreased slightly, mostly due to the effect of a bigger size EG.en
dc.description.sponsorshipFinancial support from the Spanish Ministry of Economy and Competitiveness (MINECO) and FEDER Program (NEOADFOAM/RTC-2015-3340-3, Ramon y Cajal fellowship/RYC-2012-10737) is gratefully acknowledged.en
dc.format.extent19
dc.identifier.bibliographicCitationAcuña, P., Li, Z., Santiago-Calvo, M., Villafañe, F., Rodríguez-Pérez, M. Á., & Wang, D. (2019). Influence of the characteristics of expandable graphite on the morphology, thermal properties, fire behaviour and compression performance of a rigid polyurethane foam. Polymers, 11(1), 168.en
dc.identifier.doihttps://doi.org/10.3390/polym11010168
dc.identifier.issn2073-4360
dc.identifier.publicationfirstpage1
dc.identifier.publicationissue1, 168
dc.identifier.publicationlastpage19
dc.identifier.publicationtitlePolymersen
dc.identifier.publicationvolume11
dc.identifier.urihttps://hdl.handle.net/10016/38246
dc.identifier.uxxiAR/0000023080
dc.language.isoengen
dc.publisherMDPIen
dc.relation.projectIDGobierno de España. RTC-2015-3340-3es
dc.relation.projectIDGobierno de España. RYC-2012-10737es
dc.rights© 2019 by the authors.en
dc.rightsAtribución 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subject.ecienciaInformáticaes
dc.subject.ecienciaIngeniería Civil y de la Construcciónes
dc.subject.ecienciaMaterialeses
dc.subject.ecienciaQuímicaes
dc.subject.otherPolyurethane foamen
dc.subject.otherExpandable graphiteen
dc.subject.otherMechanical propertyen
dc.subject.otherFlame retardancyen
dc.subject.otherIntumescent flame-retardanten
dc.subject.otherDimethyl methylphosphonateen
dc.subject.otherCombustion characteristicsen
dc.subject.otherMagnesium-hydroxideen
dc.subject.otherAluminum-hydroxideen
dc.subject.otherCellular structureen
dc.subject.otherDegradationen
dc.subject.otherDensityen
dc.subject.otherConductivityen
dc.subject.otherPolyphosphateen
dc.titleInfluence of the characteristics of expandable graphite on the morphology, thermal properties, fire behaviour and compression performance of a rigid polyurethane foamen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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