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Thermal study of low-grade magnesium hydroxide used as fire retardant and in passive fire protection
dc.contributor.author | Formosa Mitjans, Joan |
dc.contributor.author | Chimenos Ribera, Josep Maria |
dc.contributor.author | Lacasta Palacio, Ana María |
dc.contributor.author | Haurie Ibarra, Laia |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Física Aplicada |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Construccions Arquitectòniques II |
dc.date.accessioned | 2011-04-08T12:12:24Z |
dc.date.available | 2011-04-08T12:12:24Z |
dc.date.created | 2011-03-12 |
dc.date.issued | 2011-03-12 |
dc.identifier.citation | Formosa, J. [et al.]. Thermal study of low-grade magnesium hydroxide used as fire retardant and in passive fire protection. "Thermochimica acta", 12 Març 2011, vol. 515, núm. 1-2, p. 43-50. |
dc.identifier.issn | 0040-6031 |
dc.identifier.uri | http://hdl.handle.net/2117/12323 |
dc.description.abstract | Low-grade magnesium hydroxide is being used with very promising results as flame retardant filler in polymeric materials and as aggregate in the formulation of mortars for passive fire protection, combining an economic and sustainable solution. Simultaneous TGA–DSC was used to evaluate low-grade magnesium hydroxide thermal decomposition in order to examine the suitability of this product for a broad range of temperatures. Thermal analysis in air shows an unexpected exothermic peak, as well as the endothermic peaks corresponding to the decomposition of magnesium hydroxide, magnesite and dolomite. Thermal decomposition using nitrogen as gasflowdoes not show the exothermic peak, whereas anewendothermic peak corresponding to decomposition of calcite appears. In situXRDpatterns collected in air atmosphere at high temperature allows determining the presence of anhydrite, which was related to direct sulphation of calcite from the sulphur trioxide generated during the combustion of petcoke adsorbed on the particle surface of the low-grade magnesium hydroxide |
dc.format.extent | 8 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Edificació::Materials de construcció |
dc.subject.lcsh | Building materials |
dc.title | Thermal study of low-grade magnesium hydroxide used as fire retardant and in passive fire protection |
dc.type | Article |
dc.subject.lemac | Materials de construcció |
dc.subject.lemac | Protecció d'edificis -- Foc |
dc.contributor.group | Universitat Politècnica de Catalunya. GICITED - Grup Interdiciplinari de Ciència i Tecnologia en l'Edificació |
dc.contributor.group | Universitat Politècnica de Catalunya. NOLIN - Física No-Lineal i Sistemes Fora de l'Equilibri |
dc.identifier.doi | 10.1016/j.tca.2010.12.018 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 5412715 |
dc.description.version | Postprint (published version) |
local.citation.author | Formosa, J.; Chimenos, J.; Lacasta, A.; Haurie, L. |
local.citation.publicationName | Thermochimica acta |
local.citation.volume | 515 |
local.citation.number | 1-2 |
local.citation.startingPage | 43 |
local.citation.endingPage | 50 |
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