Abstract
Obtained artificial substrates, representing a porous glass (foam glass) with additives of 3 to 10% of the mass. copper ions. Glass raw materials were used as raw materials for the synthesis of substrates. In order to create open porosity, a carbonate blowing agent (chalk) was introduced into the initial mixture. Foaming additive served as sodium nitrate, a source of copper ions - copper sulfate (copper sulfate). A distinctive feature of the synthesis method was the combination of wetting the initial mixture and its rapid heating to maximum temperature. This mode was used to increase the porosity of the resulting structure. It was found that the water absorption of the obtained substrates increases with an increase in the concentration of copper ions in them. The resulting materials, due to the increased content of copper ions in them, may have a fungicidal effect. Perhaps their use in crop production, landscape design, the construction industry in conditions of high humidity.
Highlights
Foam glass having a porous structure is made from finely ground glass breakage mixed with additives of pore-forming substances
Moisture-proof foam glass is used for thermal insulation of objects operating at variable temperatures or high humidity
As a result of synthesis of the substrate samples were obtained on the basis of foam glass with additives of copper ions Fig
Summary
Foam glass having a porous structure is made from finely ground glass breakage mixed with additives of pore-forming substances (blowing agents). The glass particles are fused, and the gases emitted by the blowing agents swell the molten glass, forming a large number of pores in it. Compared to other materials: relatively high mechanical strength, incombustibility, water resistance, biological resistance. This promising material is used as insulation, sound insulator, moisture insulator, decorative material [2-5], aggregate of lightweight concrete. Moisture-proof foam glass is used for thermal insulation of objects operating at variable temperatures or high humidity. Decorative painted or glazed foam glass is used for interior and exterior cladding of buildings and premises, including in the form of panels, while decorative and thermal insulation are combined
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