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Clay aerogels are typically used for insulation, filtration and absorption, and are typically favored because of their eco-friendly nature, low density and high porosity. Unfortunately, these aerogels are limiting due to their relatively high fragility. Researchers in this study aimed to create fracture-free pectin/clay aerogel monoliths. In this process, water was used as the solvent and montmorillonite as the solute. Morphologies, thermal stability and conductivity of the monoliths were ...
The purpose of this study was to produce high porosity silica thermal insulators through gelation-freezing. The thermal conductivities of the insulators in relation to porosity and microstructure were measured by a thermal constant analyzer based on the transient plane source (TPS) method. The thermal conductivities of the S1 and S10 samples remained fairly constant despite temperature changes, and were mainly affected by solid and gas conduction....
