Abstract
The article presents the results of studies of the process of thermal pore formation of materials based on sodium alkaline silicates. The aim of the study is to substantiate fillers composition for liquid glass mixtures. Substandard rocks and technogenic materials were used as fillers. There were determined the temperature intervals of intensive formation of the gas phase during heat treatment of fillers. Comparative analysis of swelling characteristics revealed the preference for a combination of several fillers containing substances with different resistance to temperature transformations. The results of studies of the structure and physical and mechanical properties of porous materials confirmed feasibility of using multicomponent fillers. The cellular material developed is characterized by predominantly closed, high porosity, heat-shielding properties and resistance to mechanical stress.
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