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The Combustion Gas Hazard Assessment of Main Building Materials

주요 건축 재료별 연소가스 유해성 평가

  • Kim, Jong-Buk (Graduate School of Disaster Prevention, Kangwon National University) ;
  • Lee, Si-Young (Graduate School of Disaster Prevention, Kangwon National University)
  • 김종북 (강원대학교 방재전문대학원) ;
  • 이시영 (강원대학교 방재전문대학원)
  • Received : 2016.03.03
  • Accepted : 2016.05.28
  • Published : 2016.09.25

Abstract

This study building materials by relates to human hazard assessment in accordance with the combustion gas SEM, the flame-retardant foam FTIR and cone calorimeter to configure the Forest products of MDF and preservative treated Lauan two kinds of Retardant styrofoam, Styrofoam, Urethane foam and gypsum board four kinds of plastics material by the combustion gas were each analyzed. MDF was burned to the structure of the wood and the glue evenly mixed combustion area preservative treated Lauan, kept constant even in the form of high heat to penetrate deep into the wood flame retardant agents. Retardant styrofoam is due to feed my Dropped dissolved inorganic flame retardant without the fire-stick and confirmed that the weak form of gypsum board, but keep the column. In MDF ammonia ($NH_3$), lethal concentration (750 ppm) compared to 795 ppm, preservative treated Lauan is carbon dioxide ($CO_2$) that was greater than 2.5 times the lethal concentration (100,000 ppm) to 256,965 ppm, the lethal concentration (500 ppm) of hydrogen chloride (HCl). The Urethane greater than 697 ppm, 434 ppm also greatly exceeding the nitrogen dioxide ($NO_2$) lethal concentration (250 ppm) in Retardant styrofoam and 398 ppm was released. It is confirmed that the human body is extremely harmful gas emitted from most of the materials to be utilized as basic data for evaluating the hazard-specific human future building material.

건축 재료별 연소가스에 따른 인체 유해성 평가에 관한 본 연구는 SEM, FTIR와 콘칼로리미터를 이용하여 목재류인 MDF와 나왕방부목 2종과 화학물질인 난연 스티로폼, 스티로폼, 우레탄폼 및 석고보드 4종의 플라스틱류 각각의 재료별 연소가스 분석을 하였다. 분석결과, MDF는 연소된 부분의 나무구조와 접착제가 혼합되어 균일하게 연소되었고 나왕방부목은 난연 약제가 깊숙이 침투하여 높은 열에도 목재의 형태를 일정하게 유지하였다. 난연 스티로폼은 불이 붙지 않고 녹아내렸는데 무기계 난연제 때문으로 사료되고 석고보드는 형태는 유지했으나 열에 취약함을 확인하였다. MDF에서 암모니아($NH_3$)치사농도(750 ppm)대비 795 ppm, 나왕방부목은 이산화탄소($CO_2$)가 256,965 ppm으로 치사농도(100,000 ppm)의 2.5배 초과하였고, 우레탄에서 염화수소(HCl)의 치사농도(500 ppm)를 초과하는 697 ppm, 또한 우레탄에서 이산화질소($NO_2$) 치사농도(250 ppm)를 크게 초과하는 434 ppm과 난연 스티로폼 398 ppm이 방출되었다. 대부분의 재료에서 인체에 매우 유해한 가스가 방출됨을 확인하였고, 본 연구결과는 향후 건축 재료별 인체 유해성을 평가하는 기초데이터로 활용하고자 한다.

Keywords

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