Combustion-Retardation Properties of Pinus rigida Treated with Ammonium Salts

암모늄염으로 처리된 리기다 소나무의 난연성

  • Chung, Yeong-Jin (Department of Fire & Disaster Prevention, Kangwon National University) ;
  • Jin, Eui (Fire & Disaster Prevention Research Center, Kangwon National University)
  • 정영진 (강원대학교 소방방재공학과) ;
  • 진의 (강원대학교 소방방재연구센터)
  • Received : 2010.07.19
  • Accepted : 2010.09.06
  • Published : 2010.12.10

Abstract

This study was performed to test the combustion-retardation properties of Pinus rigida-based materials by the treatment of ammonium salts. Pinus rigida plate was soaked by the treatment with three 20 wt% ammonium salt solutions consisting ammonium sulfate (AMSF), monoammonium phosphate (MAPP), and diammonium phosphate (DAPP), respectively, at the room temperature. After the drying specimen treated with chemicals, combustion properties were examined by the cone calorimeter (ISO 5660-1). When the ammonium salts were used as the retardant for Pinus rigida, the flame retardancy improved due to the treated ammonium salts in the virgin Pinus rigida. However the specimen shows increasing CO over virgin Pinus rigida and It is supposed that toxicities depend on extents. Also, the specimen with ammonium sulfate showed both the lower total smoke release (TSR) and lower total smoke production (TSP) than those of virgin plate. Among the specimens, the sample treated with diammonium phosphate showed a strong inhibitory effect of combustion.

Acknowledgement

Grant : 연구력 증진사업

Supported by : 강원대학교

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