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Study of the thermal degradation of bioactive sol–gel coatings for the optimization of its curing process
dc.contributor.author | Suay, Julio | |
dc.contributor.author | Hernández Escolano, Miriam | |
dc.contributor.author | Ramis Juan, Xavier | |
dc.contributor.author | Jiménez Morales, Antonia | |
dc.contributor.author | Juan Díaz, M. | |
dc.date.accessioned | 2012-10-08T11:18:55Z | |
dc.date.available | 2012-10-08T11:18:55Z | |
dc.date.issued | 2012-02 | |
dc.identifier.citation | Journal of Thermal Analysis and Calorimetry (Feb. 2012), vol. 107, no. 2, 499-508 | ca_CA |
dc.identifier.issn | 1388-6150 | |
dc.identifier.issn | 1572-8943 | |
dc.identifier.uri | http://hdl.handle.net/10234/48354 | |
dc.description.abstract | A set of materials has been prepared by sol–gel process containing different quantities of hydroxyapatite (0, 2.5 and 5% HAp w/w) using as silica precursors glycidyloxypropyltrimethoxysilane (GPTMS) and triethoxyvinylsilane (VTES). In order to optimize the curing process to obtain sintherized systems (inorganic network) or hybrid systems (organic–inorganic) a TG and FTIR studies have been developed and degradation kinetic triplet parameters were obtained (the activation energy, preexponential factor, and function of degree of conversion). The kinetic study was analyzed by means of an integral isoconversional non-isothermal procedure (model free), and the kinetic model was determined by the Coats–Redfern method and through the compensation effect (IKR). All the systems followed the n = 6 kinetic model. The addition of HAp increases the thermal stability of the systems. The isothermal degradation was simulated from non-isothermal data, and the curing process could be defined to obtain the two types of materials. Temperature under 250 C allows the formation of hybrids networks. | ca_CA |
dc.format.extent | 10 p. | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Akadémiai Kiadó | ca_CA |
dc.rights | © Akadémiai Kiadó | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | Sol gel | ca_CA |
dc.subject | HAp | ca_CA |
dc.subject | VTES | ca_CA |
dc.subject | GPTMS | ca_CA |
dc.subject | Kinetics | ca_CA |
dc.title | Study of the thermal degradation of bioactive sol–gel coatings for the optimization of its curing process | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1007/s10973-011-1553-2 | |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.relation.publisherVersion | https://link.springer.com/article/10.1007/s10973-011-1553-2 | ca_CA |
dc.type.version | info:eu-repo/semantics/acceptedVersion |
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