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Fire Sci. Eng. > Volume 32(2); 2018 > Article
Fire Science and Engineering 2018;32(2):1-6.
DOI: https://doi.org/10.7731/KIFSE.2018.32.2.001    Published online April 30, 2018.
붕소 화합물로 처리된 편백나무 시험편의 연소특성
정영진, 진의
1강원대학교 소방방재공학과
2강원대학교 소방방재연구센터
Combustion Characteristics of Cypress Specimens Painted with Solutions of Boron Compounds
Chung Yeong-Jin, Jin Eui
1Department of Fire Protection Engineering, Kangwon National University
2Fire & Disaster Prevention Research Center, Kangwon National University
요약
붕산과 5붕산암모늄으로 처리한 편백나무 시험편의 연소특성에 관한 실험을 ISO 5660-1 표준에 따른 콘칼로리미터를 이용하여 수행하였다. 그 결과 붕산과 5붕산암모늄의 혼합된 투여는 그들의 시너지 효과에 의해 화재성능지수 값을 향상시켰다. 또한 붕소 화합물로 처리한 시험편은 공시편보다 총열방출율 값이 6.1~14.1% 감소되었다. 붕소화합물로 처리된 시편의 총연기방출율은 연소과정 전반에 걸쳐 감소되었으나 붕산/5붕산암모늄은 예외였다. 일산화탄소 최대농도는 15.8~25.5% 정도 감소하는 경향성이 있었다. 대체적으로 난연제로 처리한 목재는 화재 위험성이 낮아진 것으로 이해된다.
Abstract
The combustion characteristics of cypress wood coated with boric acid (BA) and ammonium pentaborate (APB) were examined using a cone calorimeter according to the ISO 5660-1 standard. As a result, the combined specimens of boric acid and ammonium pentaborate (BA/APB) led to an improved fire performance index due to their synergistic effect. In addition, the total heat release values of the specimen coated with the boron compounds were 6.1~14.1% lower than that of the base specimen. The total smoke release rate (TSR) of the specimens coated with the boron compound decreased throughout the combustion process, except for BA/APB. The maximum concentration of carbon monoxide was reduced by 15.8~25.5%. In general, wood treated with flame retardants has a lower fire hazard.
Key Words: Fire performance index (FPI), Fire safety, Boric acid (BA), Ammonium pentaborate (APB), Total smoke release (TSR)


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