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Sol-gel synthesis and preliminary characterizations of novel silica hybrid xerogels

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Main Authors: Syed Nuzul Fadzli, Syed Adam, Roslinda, Shamsudin, Dr., Firuz, Zainuddin
Other Authors: syed.nuzul@unimap.edu.my
Format: Article
Language:English
Published: Trans Tech Publications 2014
Subjects:
Composite
Hybrid material
Mesoporous
Silica Xerogels
Sol-Gel synthesis
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/33946
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spelling my.unimap-339462014-04-23T05:02:17Z Sol-gel synthesis and preliminary characterizations of novel silica hybrid xerogels Syed Nuzul Fadzli, Syed Adam Roslinda, Shamsudin, Dr. Firuz, Zainuddin syed.nuzul@unimap.edu.my linda@ukm.my firuz@unimap.edu.my Composite Hybrid material Mesoporous Silica Xerogels Sol-Gel synthesis Link to publisher's homepage at http://www.ttp.net/ Hybrid silica xerogel mesoporous composite was synthesized by a mild temperature acid catalysed sol-gel route where a natural copolymer; sodium alginate (Na-COOH) together with calcium oxide (CaO) powder were incorporated into silica sol precursor prior to gel formation. For this study, bulk xerogels samples were prepared with the amount of silica precursor and the natural copolymer was fixed meanwhile the loading of calcium oxide was varied at 10 and 20 wt%. The monolith silica was also synthesized as control parameter. The preliminary properties were investigated using XRD, FTIR and SEM together with EDS for elemental analysis. The calcium oxide powder used in this study was prepared from calcium hydroxide, CaOH compound, which was previously calcined at 1000°C for 3 hours in normal air. The component of calcium oxide and sodium alginate were found to be uniformly dispersed in matrixes without affecting the cross-linked silica formation. As the presence of the components in the silica matrixes, the synthesized hybrid xerogels were found to be crack-free, structurally amorphous and physically opaque. Furthermore, the hybrid xerogels samples were found to have denser bodies, smoother surface, and decreased in particle sizes and thus might produced less brittleness in nature compared to the monolith xerogels. 2014-04-23T05:02:17Z 2014-04-23T05:02:17Z 2013-12 Article Key Engineering Materials, vol.594-595, 2013, pages 1009-1014 1662-9795 http://www.scientific.net/KEM.594-595.1009 http://dspace.unimap.edu.my:80/dspace/handle/123456789/33946 10.4028/www.scientific.net/KEM.594-595.1009 en Trans Tech Publications
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Composite
Hybrid material
Mesoporous
Silica Xerogels
Sol-Gel synthesis
spellingShingle Composite
Hybrid material
Mesoporous
Silica Xerogels
Sol-Gel synthesis
Syed Nuzul Fadzli, Syed Adam
Roslinda, Shamsudin, Dr.
Firuz, Zainuddin
Sol-gel synthesis and preliminary characterizations of novel silica hybrid xerogels
description Link to publisher's homepage at http://www.ttp.net/
author2 syed.nuzul@unimap.edu.my
author_facet syed.nuzul@unimap.edu.my
Syed Nuzul Fadzli, Syed Adam
Roslinda, Shamsudin, Dr.
Firuz, Zainuddin
format Article
author Syed Nuzul Fadzli, Syed Adam
Roslinda, Shamsudin, Dr.
Firuz, Zainuddin
author_sort Syed Nuzul Fadzli, Syed Adam
title Sol-gel synthesis and preliminary characterizations of novel silica hybrid xerogels
title_short Sol-gel synthesis and preliminary characterizations of novel silica hybrid xerogels
title_full Sol-gel synthesis and preliminary characterizations of novel silica hybrid xerogels
title_fullStr Sol-gel synthesis and preliminary characterizations of novel silica hybrid xerogels
title_full_unstemmed Sol-gel synthesis and preliminary characterizations of novel silica hybrid xerogels
title_sort sol-gel synthesis and preliminary characterizations of novel silica hybrid xerogels
publisher Trans Tech Publications
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/33946
_version_ 1643797355115315200
score 13.222552

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