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Journal of Korean Institute of Fire Science and Engineering 2005;19(4):42-46.
Published online December 31, 2005.
축광세라믹스의 광학적 특성에 관한 연구
등전황홍, 경미신야, 허만성, Jones Mark I
1명성대학 이공학부 건설시스템공학과
2명성대학 이공학부 건설시스템공학과
3우송공업대학 소방안전관리과
4University of Auckland
Optical Characteristics of Phosphorescent Materials with Water-based Ceramics
Fujita Akihiro , Kagami Shinya , Hur Man-Sung , Jones Mark I
1Department of Civil Engineering, Myongsung University
2Department of Civil Engineering, Myongsung University
3Woosong Industrial University Fire Safety Management Department
4University of Auckland
요약
본 연구는 축광안료 혼입률 변화에 따른 축광세라믹스 시험체의 인광휘도 변화를 측정하였다. 측정결과 축광안료 혼입률에 비례해서 인광휘도는 증대하였다. 축광안료를 $20\%$이상 혼입한 시험체는 KS와 JIS의 안전표지판 규정값을 만족하였고 축광안료를 $50\%$ 홉입한 시험체는 규정값보다 10배나 높은 결과치를 얻었다. 축광세라믹스의 인광휘도는 도포횟수에 비례해서 증대하였으나 도포횟수가 비 이상이 되면 인광휘도의 상승은 나타나지 않았다. 축광세라믹스는 사용할 재료가 모두 무기재료이고, 광학적으로도 축광피난 유도표지로서 충분히 이용할 가치가 있는 재료라고 할 수 있다.
Abstract
This study is intended to examine the degree of phosphorescent luminance in proportion to the amount of phosphorescent pigments in the ceramic based coating. The results of this study were that the degree of phosphorescent luminance was Increased in proportion to the amount of phosphorescent pigments in the ceramic based coatings. Samples with more than $20\%$ of phosphorescent pigments exceeded the Japanese Industrial Standard for security signs. Luminance levels 10 times greater than the KS and JIS standard were obtained with a concentration of $50\%$. The luminance increased initially with the number of applications of the ceramic based coating but there was no further increase for more than 4 applications. The water-based phosphorescent ceramics developed here are made entirely of inorganic materials and do not generate toxic gases. The optical characteristics of these materials makes them suitable for use in phosphorescent emergency exit signs in place of the traditionally used vinyl chloride materials.


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