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Artículo

Comparative hydrothermal synthesis of hydroxyapatite by using cetyltrimethylammonium bromide and hexamethylenetetramine as additives

Hernández Ortiz, Gloria MercedesIcon ; Parra, RodrigoIcon ; Fanovich, Maria AlejandraIcon
Fecha de publicación: 21/11/2017
Editorial: Elsevier
Revista: Ceramics International
ISSN: 0272-8842
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Recubrimientos y Películas

Resumen

Comparative synthesis ways for preparing HA (Ca10(PO4)6(OH)2) nanoparticles in presence of hexamethylenetetramine (HMTA) and cetyltrimethylammonium bromide (CTAB) were carried out. The reactions were performed in a Teflon-lined stainless-steel reactor at 120 °C during 12 h. The effects of the additive concentration and the cooling mode (fast and slow) were analyzed. The obtained powders were characterized by X-ray Diffraction (XRD), Raman Spectroscopy, Dynamic Light Scattering (DLS) and Scanning Electron Microscopy (SEM). The two hydrothermal ways carried out for preparing HA nano powders produced a pure crystalline phase of HA. When the fast cooling mode was used, the obtained particles exhibited smaller mean particle sizes. The highest concentrations of used additives (HTMA or CTAB) resulted in opposite effect on the obtained mean particle size of HA particles. These observations were associated to the different behavior of this additives in the HA formation processes.
Palabras clave: Hydroxyapatite , Hydrothermal Synthesis , Nanoparticles
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/32607
URL: http://www.sciencedirect.com/science/article/pii/S0272884217325786
DOI: http://dx.doi.org/10.1016/j.ceramint.2017.11.120
Colecciones
Articulos(INTEMA)
Articulos de INST.DE INV.EN CIENCIA Y TECNOL.MATERIALES (I)
Citación
Hernández Ortiz, Gloria Mercedes; Parra, Rodrigo; Fanovich, Maria Alejandra; Comparative hydrothermal synthesis of hydroxyapatite by using cetyltrimethylammonium bromide and hexamethylenetetramine as additives; Elsevier; Ceramics International; 44; 4; 21-11-2017; 3658-3663
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