Journal
CERAMICS INTERNATIONAL
Volume 35, Issue 5, Pages 1883-1888Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2008.10.028
Keywords
Nanosilica; Monodispersed; Modified; Co-condensation
Categories
Funding
- Fundamental Research Grant Scheme [203/PKIMIA/671174]
- Universiti Sains Malaysia (USM) for USM-Fellowship
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An easy and swift pathway in preparation of organo-functionalized silica in nanosize range with amine-terminated group via co-condensation method is reported. The process is a self-catalyzed reaction by amine group of organosilane without the addition of ammonia as a catalyst at room temperature. A modified nanosilica with particle size of similar to 60 nm, highly monodispersed and low aggregation was successfully produced. The use of methanol as a solvent leads to the increase in particle size. CHN, FTIR and NMR analyses revealed the presence of organo-functional group in the bulk and at the surface of the silica particles. (c) 2008 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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