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Journal of Sol-Gel Science and Technology
Published in: Journal of Sol-Gel Science and Technology 3/2011

01-09-2011 | Original Paper

Effect of preparation conditions on structural properties of PMHS-TEOS hybrid materials

Authors: Shangru Zhai, Bin Zhai, Qingda An

Published in: Journal of Sol-Gel Science and Technology | Issue 3/2011

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Abstract

Hybrid materials based on tetraethoxysilane (TEOS) and polymethylhydrosiloxane (PMHS) have been prepared employing sol–gel synthesis pathway, and the effects of preparation parameters such as PMHS concentration, water and NaOH amount on the structural characteristics were detailed investigated based on various techniques. It is illustrated that structural characteristics especially pore size can be tuned readily by adjusting the amount of PMHS during the sol–gel reaction. Furthermore, pore size increases with water amount and contrarily is almost independent on the amount of sodium hydroxide (NaOH) added in the sol–gel process. Typical hybrid sample prepared with desirable preparation parameters presents disordered wormhole structure with uniform mesopores, developed porosity with high specific surface area and pore volume and stable framework. In virtue of facileness and tunable composition, this synthesis pathway can be favorably applied for the preparation of other fascinating materials, i.e. porous ceramics, hydrophobic coatings and aerogels as well.
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Appendix
Available only for authorised users
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Metadata
Title
Effect of preparation conditions on structural properties of PMHS-TEOS hybrid materials
Authors
Shangru Zhai
Bin Zhai
Qingda An
Publication date
01-09-2011
Publisher
Springer US
Published in
Journal of Sol-Gel Science and Technology / Issue 3/2011
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-011-2516-6

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