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http://dx.doi.org/10.14478/ace.2017.1047

Preparation of Natural Wall Paint by Using Sericite Clay  

Kim, Munui (Environmental Engineering, Catholic Kwandong University)
Lalhmunsiama, Lalhmunsiama (Environmental Engineering, Catholic Kwandong University)
Lee, Seung-Mok (Environmental Engineering, Catholic Kwandong University)
Jin, Kang-Jung (DongYang E&P, Ltd.)
Publication Information
Applied Chemistry for Engineering / v.28, no.5, 2017 , pp. 501-505 More about this Journal
Abstract
Due to the rapid urbanization and increased population, there is an increase in airtight nature of buildings which causes serious indoor air pollution. Among several indoor air pollutants, volatile organic compounds (VOCs) emitted from paint are of major concern. Therefore, there is an urge for the development of environmental friendly paint products. In this wok, a natural wall paint (NWP) was prepared by utilizing a natural clay material "sericite" as a main component. A small chamber test was carried out to identify the toxic substances release from NWP and the results were compared with two eco-friendly commercial paints. The total VOCs were detected in trace level inside the test chamber and their concentrations were below the recommended indoor air quality standards. Toluene was not detected for NWP, whereas formaldehyde was observed in trace level. The toxicity index results were compared with two commercial paints and found that NWP exhibited less harmful gas emission. Based on certification rating of building materials, NWP can be classified as the first grade of building materials. Due to the above advantages, the use of sericite as a major component in NWP will be a useful technique to maintain the indoor air quality.
Keywords
indoor pollution; natural paint; clay; volatile organic compounds;
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