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An improved method for preparing monolithic aerogels based on methyltrimethoxysilane at ambient pressure Part II: Microstructure and performance of the aerogels |
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| Authors: | Bi Xu Jackie Y. Cai Zongli XieLijing Wang Iko BurgarNiall Finn Zaisheng CaiLisa Wong |
| Affiliation: | a Division of Materials Science and Engineering, Commonwealth Scientific and Industrial Research Organisation (CSIRO), P.O. Box 21, Belmont, Victoria 3216, Australia b School of Fashion and Textiles, RMIT University, 25 Dawson Street, Brunswick, Victoria 3056, Australia c College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China |
| Abstract: | The microstructures, physical properties and mechanical properties of the methyltrimethoxysilane (MTMS) derived aerogels, prepared at ambient pressure using an improved method reported in Part I, have been comprehensively characterised in this paper, as Part II. The study has revealed sophisticated pore structures and morphologies of the aerogels produced, and demonstrated the relationships between the key processing conditions and microstructures of the resultant aerogels. The results of the study also help to further understand the effect of microstructure changes on the macrostructure, volume shrinkage and performances of the aerogels, and provide a general guide on how to manipulate the processing conditions to produce monolithic MTMS based aerogels with desirable structure and properties by ambient pressure drying. |
| Keywords: | Aerogel Methyltrimethoxysilane Microstructure Ambient pressure |
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