Research Progress on Fire Hazard Assessment Methods for Flame-Retardant Materials
Fire hazard assessment of flame-retardant materials is fundamental for preventing,managing,and controlling potential fire risks of typical combustible polymer materials.It also serves as a crucial step in selecting appropriate flame-retardant systems and evaluating the comprehensive impact of flame retardants on polymers.This paper analyzes material combustion characteristics from the perspective of combustion products,obtains three assessing aspects for the assessment system:pyrolysis behavior,heat and CO2 release,and smoke and toxic gas emissions.The study firstly reviews the research progress of un-dimensional methods for material fire hazard assessment,emphasizing the need to integrate various factors,such as fire scenarios,to obtain logically meaningful assessments of material fire hazards.The future direction of flame-retardant materials is discussed,elucidating the essential nature of the multi-attributed decision-making process in material fire safety assessment.In considering the weighting process of intrinsic hazards,a trend is identified that analytic network process(ANP)favors over traditional analytic hierarchy process(AHP)due to its ability to capture more complex interde-pendencies and feedback between elements.The study further summarizes the variability and correlation of material fire haz-ard indicators through objective weighting dimensions,highlighting the significant role of pure sample normalization pre-processing method in obtaining interpretable weights.Nash fusion of weights is introduced to reconcile the advantages of both subjective and objective weights,contributing to a comprehensive understanding of the systemic and holistic nature of material fire hazards.
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