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Type: Artigo de periódico
Title: Spherical particles of zirconia-titania of hexagonal structure from a neutral amine route
Author: de Farias, RF
Airoldi, C
Abstract: Through the sol-gel process, using the so-called neutral amine route, spherical particles of 1:1 zirconia-titania were synthesized from zirconium(IV) and titanium(IV) butoxides as well as 1,12-diaminododecane as precursor species. The obtained product exhibited a hexagonal structure, as determinated by X-ray diffraction data. The obtained material was also characterized by thermogravimetry, differential scanning calorimetry, infrared spectroscopy, scanning electron microscopy, and surface area measurements. Despite the release of template molecules on heating, the spherical morphology was retained up to about 1200 degrees C, at Which the disruption of the spheres took place. (C) 1999 Academic Press.
Subject: zirconia
neutral amine route
Country: EUA
Editor: Academic Press Inc
Citation: Journal Of Colloid And Interface Science. Academic Press Inc, v. 220, n. 2, n. 255, n. 259, 1999.
Rights: fechado
Identifier DOI: 10.1006/jcis.1999.6504
Date Issue: 1999
Appears in Collections:Unicamp - Artigos e Outros Documentos

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