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Abstract
Recently, as carbon dioxide emission increases, global warming is rapidly progressing, and indoor air quality is also affected. In this study, a functional paint was prepared by mixing purple bacteria in an water-based paint, and carbon dioxide adsorption, alkali resistance, and impact resistance were tested. The mixing ratio of purple bacteria is set to 0, 5, 10, 15 (%), and the carbon dioxide adsorption experiment is divided into the case of no light and the case of light. As a result, In the absence of light, complete sealing is achieved as the carbon dioxide concentration in the empty chamber according to the mixing ratio of purple bacteria is considered to be kept constant as 100%. The carbon dioxide concentration of the paint without the purple bacteria was higher than that of the purple bacteria. In the case of light, the decrease of the carbon dioxide concentration tended to be more active than in the case of no light. There was no difference in alkali resistance and impact resistance when comparing the paint without the purple bacteria and the paint mixed with it. In addition, there was no difference even when the incorporation rate of purple bacteria increased. Finally, as for the viscosity, the faster the fall time of the paint, the lower the viscosity of the paint, and the drying time, the lower the viscosity of the paint, the longer the drying time. Therefore, It is believed that water-based paints mixed with purple bacteria can improve indoor air quality by adsorbing carbon dioxide.
Highlights
As shown in [Figure 1, 2], as the seriousness of global warming has recently emerged, environmental movements to reduce carbon emissions are being carried out at a global level
The criterion for dividing the range of the mixing ratio of purple bacteria was that when the paint containing purple bacteria was visually observed, the degree of plastering and viscosity was judged to function as paint up to 15%, and when it exceeded 15%, it showed the same viscosity as water to be
As the mixing ratio of purple bacteria increases, the viscosity of the paint decreases and the fall time decreases. This is thought to affect the viscosity of the paint because the purple bacteria are in liquid form
Summary
As shown in [Figure 1, 2], as the seriousness of global warming has recently emerged, environmental movements to reduce carbon emissions are being carried out at a global level. Carbon dioxide is a problem that must be solved even in the construction industry, which accounts for more than a quarter of national energy and resource consumption, and new technologies are developed through various researches and environmental impact assessment methods are being conducted. As a solution to this, purple bacteria can reduce carbon dioxide through photosynthetic action, but it is mainly used for agriculture, livestock, and fisheries, so research in terms of materials is insufficient[1,2,3,4,5,6,7]. This study aims to produce functional paints using purple bacteria to reduce carbon dioxide emissions and present them as basic research data to examine the practical use of functional paints.
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