Large scale recyclable monolithic methyltrimethoxysilane aerogels formed by self-reinforcement

Gylen Odling*, Hannah Logan, Aaron Chan, Andrew J. Bissel, Colin R. Pulham, David E. Oliver

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A method by which large scale monoliths of methyltrimethoxysilane (MTMS) aerogels may be prepared using ambient pressure conditions is discussed. It has been found that the addition of powdered dry MTMS aerogel into the precursor mixture substantially increases the size of the aerogel monolith which may be formed without cracking, decreases shrinkage and improves the mechanical strength of the resulting monoliths, which are termed self-reinforced aerogels (SRAs). A discussion of the mechanism by which this enhanced strength arises is presented, with observations of the microscopic differences to the gelation process and final dried product when a self-reinforcement strategy is used.

Original languageEnglish
Pages (from-to)3724-3732
Number of pages9
JournalMaterials Advances
Volume4
Issue number17
Early online date27 Jul 2023
DOIs
Publication statusE-pub ahead of print - 27 Jul 2023

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