Effect of additives on the properties of silica based aerogels synthesized from methyltrimethoxysilane (MTMS)
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- 作者：Luisa Durã ; es ; luisa@eq.uc.pt" class="auth_mail" title="E-mail the corresponding author ; Ana Maia ; Antó ; nio Portugal
- 关键词：Sol&ndash ; gel ; MTMS&ndash ; derived aerogel ; Network modifier ; Poly(ethylene glycol) ; Bis(trimethoxysilyl) hexane ; Trimethoxy(octadecyl)silane
- 刊名：The Journal of Supercritical Fluids
- 出版年：2015
- 出版时间：November-December 2015
- 年：2015
- 卷：106
- 期：Complete
- 页码：85-92
- 全文大小：1457 K
文摘
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MTMS–derived aerogels dried by continuous supercritical fluids extraction with CO2.
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Effect of three additives on the properties of obtained silica based aerogels.
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Poly(ethylene glycol) acts as a porogen, giving lower density/thermal conductivity.
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Bis(trimethoxysilyl) hexane allowed faster and complete gelation of large samples.
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Trimethoxy(octadecyl) silane improved aerogels flexibility and reduced dust release.