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Manufacturing and characterization of poly(lactic acid) composites with hydroxyapatite

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Manufacturing and characterization of poly(lactic acid) composites with hydroxyapatite

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dc.contributor.author Ferri, J.M. es_ES
dc.contributor.author Jordà Sempere, José Jorge es_ES
dc.contributor.author Montanes, Nestor es_ES
dc.contributor.author Fenollar, Octavio es_ES
dc.contributor.author Balart, Rafael es_ES
dc.date.accessioned 2018-05-26T04:21:30Z
dc.date.available 2018-05-26T04:21:30Z
dc.date.issued 2017 es_ES
dc.identifier.issn 0021-8995 es_ES
dc.identifier.uri http://hdl.handle.net/10251/102693
dc.description This is the peer reviewed version of the following article: Ferri, J.M., Jordà Sempere, José Jorge, Montanes, N. , Fenollar, Octavio, Balart, Rafael. (2017). Manufacturing and characterization of poly(lactic acid) composites with hydroxyapatite.Journal of Applied Polymer Science, 0. DOI: 10.1177/0892705717729014 , which has been published in final form at http://doi.org/10.1177/0892705717729014. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
dc.description.abstract [EN] Hydroxyapatite (HA), a naturally occurring calcium orthophosphate, possesses the most similar chemical composition to human bone. In this research work, composite materials were prepared using poly(lactic acid) (PLA) as a polymer matrix and HA as an osteoconductive filler for potential use in medical applications. Composites with varying HA content comprised in the 10¿30 wt% range were obtained by extrusion-compounding followed by injection molding. The effect of the HA loading on overall properties was assessed by mechanical characterization using tensile, flexural, impact, and hardness standard tests. Main thermal transitions of PLA-HA composites were obtained by differential scanning calorimetry (DSC) and degradation/decomposition at high temperatures was followed by thermogravimetric analysis. Dynamical behavior was assessed by dynamic mechanical thermal analysis and the dimensional stability was studied by thermomechanical analysis (TMA). As per the results, PLA-HA composites with 20¿30 wt% HA offer the best-balanced properties with a remarkable increase in the Young¿s modulus. The glass transition temperature remained almost constant with slight changes of less than 1C as measured by both DSC and TMA. TMA also revealed a remarkable decrease in the coefficient of linear thermal expansion. The overall results confirm the usefulness of these materials from a mechanical point of view for biomedical applications as they are characterized by high stiffness, tensile strength, and dimensional stability. es_ES
dc.description.sponsorship The authors want to acknowledge the Ministry of Economy and Competitiveness (MINECO) for their financial support through the grant number MAT2014-59242- C2-1-R.
dc.language Inglés es_ES
dc.publisher John Wiley & Sons es_ES
dc.relation MINISTERIO DE ECONOMIA INDUSTRIA Y COMPETITIVIDAD /MAT2014-59242-C2-1-R-AR es_ES
dc.relation.ispartof Journal of Applied Polymer Science es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Hydroxyapatite es_ES
dc.subject Poly(lactic acid) es_ES
dc.subject Thermal and mechanical properties es_ES
dc.subject Screws es_ES
dc.subject Bone tissue engineering es_ES
dc.subject.classification CIENCIA DE LOS MATERIALES E INGENIERIA METALURGICA es_ES
dc.title Manufacturing and characterization of poly(lactic acid) composites with hydroxyapatite es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1177/0892705717729014 es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Tecnología de Materiales - Institut de Tecnologia de Materials es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials es_ES
dc.description.bibliographicCitation Ferri, J.; Jordà Sempere, JJ.; Montanes, N.; Fenollar, O.; Balart, R. (2017). Manufacturing and characterization of poly(lactic acid) composites with hydroxyapatite. Journal of Applied Polymer Science. doi:10.1177/0892705717729014 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://doi.org/10.1177/0892705717729014 es_ES
dc.type.version info:eu repo/semantics/publishedVersion es_ES
dc.relation.pasarela 351793 es_ES
dc.contributor.funder MINISTERIO DE ECONOMIA INDUSTRIA Y COMPETITIVIDAD es_ES


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