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EPS微珠-发泡水泥复合保温材料防火性能及高温炉内火势发展研究

Songlin ZHANG,Ru MU

New Building Materials(2017)

Cited 0|Views6
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Abstract
减小EPS颗粒尺寸至小于1 mm,分散到发泡水泥中制备墙体保温材料,从而提升EPS-发泡水泥复合保温材料的防火性能,且减缓EPS-发泡水泥在点燃后的火势发展.对不同EPS颗粒尺寸下EPS-发泡水泥进行了防火性能试验,并建立了EPS-发泡水泥燃烧行为尖点突变模型,研究了EPS颗粒尺寸对防火性能及高温炉内火势发展的影响.结果表明,EPS-发泡水泥中采用尺寸为0.5~1.0 mm的颗粒较采用2.0~4.0 mm的EPS颗粒,可以有效降低内部EPS的热解速率及热解程度,提升防火性能,增强EPS-发泡水泥燃烧行为稳定性,减缓火势发展.
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