| 옥외폭로시험 Tio2 코팅 세라믹 타일의 명도측정에 의한 방오특성 평가 |
| 신대용, 김경남1 |
강원대학교 산학협력중심대학
1강원대학교 삼척캠퍼스 신소재공학과 |
| Evaluation of Self-cleaning Property by Measuring Brightness of Tio2 Coating Ceramic Tile under Outdoor Exposure Test |
| Dae-Yong Shin, Kyung-Nam Kim1 |
Hub University for Industrial Collaboration, Kangwon National University
1Department Advanced Materials Science & Engineering, Samcheok Campus, Kangwon National University |
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| ABSTRACT |
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$TiO_2$ coating ceramic tile for self-cleaning purpose was prepared by the precipitant dropping method using $TiCl_4$ as a precursor. $TiO_2$ film was formed on the ceramic tile by spray-coating technique and heat-treated at $500^{circ}C$ for 1 h. The size and crystalline structure of $TiO_2$ particles were 15.3 nm and anatase phase. The outdoor exposure tests were conducted and the effects of outdoor exposure test conditions, such as exhaust concentration of contamination materials (test places), the UV light intensity (irradiation direction) and coating amounts of $TiO_2$ on the self-cleaning properties were investigated by the brightness measurements. As a results, self-cleaning property of $TiO_2$ coating tile was affected by the coating amount of $TiO_2$ however, not affected by the UV light intensity included in sun's ray (irradiation direction). $TiO_2$ coating ceramic tile can be utilized for exterior finishing materials because of self-cleaning property of $TiO_2$ coating tile. |
| Key words:
$TiO_2$ Photocatalyst, Ceramic tile, Exterior finishing materials, Self-cleaning property, Outdoor exposure test |
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