用CONE 法研究木材阻燃剂FRW 的阻燃机理 - 林产化学与工业.PDF

24 2 Vol 24 No 2 2004 6 Chemistry and Industry of Forest Products June 2004 CONE FRW 王清文, 李 坚 ( 东北林业大学木材科学与技术研究所, 黑龙江 哈尔滨150040) WANG Q W : ( CONE) FRW ( FZ) FRW ( GUP) ( GZ) ( BZ) ( UZ) , , : 1) FRW ( RHR) ( THR) ( EH C) ( MLR) ( SR) ( SEA) CO2 ( YCO2 ) ; 2) GUP ; 3) FRW MLR RHR , ; 4) FRW , FRW : ; FRW; ; :TQ314 248 : A : 0253- 2417 ( 2004) 02- 0029- 06 STUDY ON FIRE- RETARDAT ION MECHANISM OF FIRE- RETARDANT FRW BY CONE CALORIMETRY WANG Qing-w en, LI Jian (Research Institute of Wood Science and Technology, Northeast Forestry University,Harbin 150040, China) Abstract : Fire- retardation mechanism of FRW, a fire- retardant of new formulation f or w ood ,w as studied by CONE calorimet- ric analysis Wood sp ecimens treated with the composite f ire-retardant FRW ( FZ) , its component s guanylurea phosphate ( GUP, GZ) and boric acid ( BZ) respectively w ere tested and the data of heat release, m ass loss, smoke formation and the composition of tail gas w ere recorded simultaneously By analyzing these data, it w as concluded th at : 1) The combustion p aram eters of w ood , including rate of heat release( RHR) , total heat release( THR) , eff ective heat of combustion( EHC) , m ass loss rate( MLR) , smoke ratio( SR) , specif ic extinction area( SEA ) , concentration of CO and the yield of CO ( Y ) , were