Issue 17, 2023

Large scale recyclable monolithic methyltrimethoxysilane aerogels formed by self-reinforcement

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.

Graphical abstract: Large scale recyclable monolithic methyltrimethoxysilane aerogels formed by self-reinforcement

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Article information

Article type
Paper
Submitted
24 Feb 2023
Accepted
14 Jun 2023
First published
27 Jul 2023
This article is Open Access
Creative Commons BY-NC license

Mater. Adv., 2023,4, 3724-3732

Large scale recyclable monolithic methyltrimethoxysilane aerogels formed by self-reinforcement

G. Odling, H. Logan, A. Chan, A. J. Bissel, C. R. Pulham and D. E. Oliver, Mater. Adv., 2023, 4, 3724 DOI: 10.1039/D3MA00085K

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