Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Combustion Characteristics of Medium Density Fibreboard (MDF) Painted with Alkylenediaminoalkyl-Bis-Phosphonic Acids

알킬렌디아미노알킬-비스-포스폰산으로 처리된 중밀도섬유판의 연소특성

  • Park, Myung-Ho (Department of Mechanical Engineering, Kangwon National University) ;
  • Chung, Yeong-Jin (Department of Fire Protection Engineering, Kangwon National University)
  • 박명호 (강원대학교 기계공학과) ;
  • 정영진 (강원대학교 소방방재공학과)
  • Received : 2014.06.30
  • Accepted : 2014.07.18
  • Published : 2014.10.10
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Abstract

This study was performed to test combustive properties of medium density fibreboard (MDF) plates treated with piperazinomethyl-bis-phosphonic acid (PIPEABP), methylpiperazinomethyl-bis-phosphonic acid (MPIPEABP), and N,N-dimethylethylenediaminomethyl-bis-phosphonic acid (MDEDAP). MDF specimens were painted three times with 15 wt% solution of the alkylenediaminoalkyl-bis-phosphonic acids at room temperature. After drying specimen treated with chemicals, combustive properties were examined using the cone calorimeter (ISO 5660-1). As a result, combustion-retardation properties increased due to the treatment of bare MDF with alkylenediaminoalkyl-bis-phosphonic acid solution. Especially, the specimens treated with chemicals showed the ignition (TTI) (148 s~116 s) was retarded and the flameout (Tf) (633 s~529 s) time increased, while the total heat release rate (THRR) (61.1~67.0) $MJ/m^2$ was lowered than those of using virgin plate by reducing the burnig rate. Compared with virgin MDF plate, the specimens treated with the alkylenediaminoalkyl-bis-phosphonic acids showed low combustive properties. However the specimens treated with bis-(dimethylaminomethyl) phosphinic acid (DMDP) showed the higher peak heat release rate (PHRR) ($185.08kW/m^2$) than that of the virgin plate.

이 연구에서는 피페라지노메틸-비스-포스폰산, 메틸피페라지노메틸-비스-포스폰산, N,N-디메틸렌디아미노메틸-비스-포스폰산으로 처리된 중밀도섬유판의 연소성을 시험하였다. 15 wt%의 알킬렌디아미노알킬-비스-포스폰산 수용액으로 중밀도섬유판에 3회 붓칠하여 실온에서 건조시킨 후, 콘칼로리미터(ISO 5660-1)를 이용하여 연소 특성을 고찰하였다. 그 결과, 알킬렌디아미노알킬-비스-포스폰산으로 처리한 시험편이 무처리 시험편과 비교하여 연소 억제성을 향상시켰다. 특히 알킬렌디아미노알킬-비스-포스폰산으로 처리한 시험편은 연소속도 감소에 의하여 무처리 시험편과 비교하여 각각 지연된 착화시간(148 s~116 s), 긴 불꽃소멸시간(633 s~ 529 s), 그리고 낮은 총열방출률($61.1MJ/m^2{\sim}67.0MJ/m^2$)을 나타내었다. 따라서 알킬렌디아미노알킬-비스-포스폰산으로 처리한 시험편은 중밀도섬유판 시험편에 비하여 낮은 연소성질을 나타내었다. 그러나 피페라지노메틸-비스-포스폰산으로 처리한 시험편은 무처리 시험편과 비교하여 높은 최대열방출률($75.7kW/m^2$)을 나타내었다.

Keywords

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