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Journal of Korean Institute of Fire Science and Engineering 2008;22(3):300-304.
Published online September 30, 2008.
Montmorillonite 첨가에 의한 Epoxy Resin의 난연성 개선
송영호, 정국삼
1혜천대학 소방안전관리과2충북대학교 안전공학과
Improvement the Flame Retardancy of Epoxy Resin by the Addition of Montmorillonite
Song Young-Ho, Chung Kook-Sam
요약
고분자 물질의 화재 위험성 및 화재시 인명 피해의 감소를 위한 기초자료로 제시하고자 점토질의 첨가에 의한 난연성 평가를 수행하였다. 본 연구에서는 에폭시 수지의 난연성 향상과 연기의 발생량을 감소시키기 위하여 점토질의 montmorillonite(MMT)와 같은 천연 물질을 삽입하여 연소 특성을 살펴보았다. 이 연구를 위하여 한계산소지수(limiting oxygen index, LOI), 탄화층 생성량(char yield), 연기 밀도(smoke density) 측정 둥의 난연성 실험을 실시하였다. Epoxy/MMT의 복합재료는 MMT의 농도가 증가할수록 한계산소지수 및 탄화층 생성량이 증가하여 난연성이 향상되었으나 연기 밀도는 오히려 증가하는 결과를 나타내었다.
Abstract
The flame retardancy was evaluated to present as the fundamental data to decrease the fire hazard of polymers and life losses according to the addition of clay. The combustion characteristics were examined to increase flame retardancy and to decrease smoke yield of epoxy by the addition of clay such as montmorillonite in this study. For this study, the experiments of flame retardancy were conducted the measurement of the limiting oxygen index (LOI), char yield, and smoke density. As MMT concentration increased, LOI and char yield increased. This result showed that the flame retardancy of epoxy/MMT composite was improved. On the contrary, smoke density increased.
Key Words: Epoxy, Montmorillonite, LOI, Char yield, Smoke density


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