为研究铺地材料对丁苯胶(SBR)熔融流淌燃烧行为的影响,文中选取了瓷砖、钢板、聚氯乙烯(PVC)地板革和石膏板4种铺地材料,在自行搭建的实验平台上进行燃烧实验,获得了质量、液池及池火面积、温度场等数据.分析表明,4种铺地材料上丁苯胶(SBR)液池扩展速率、池火蔓延速率、燃烧速率及火焰温度从大到小的顺序均为:钢板＞石膏板＞PVC地板革＞瓷砖,基本与铺地材料的热容大小顺序(瓷砖＞石膏板＞PVC地板革＞钢板)相反,其中PVC地板革裂解产物的阻燃性进一步降低了其燃烧速率.此外,由于其良好的导热性,钢板对燃烧的流淌熔体的熄灭作用随时间先增大后减小,SBR燃烧速率后期出现快速增长,表现出非线性特点.
参考文献
| [1] | J. Zhang;T. J. Shields;G. W. H. Silcock.Fire Hazard Assessment of Polypropylene Wall Linings Subjected to Small Ignition Sources[J].Journal of fire sciences,19961(1):67-84. |
| [2] | 徐亮;陶李华;黄永远;张和平.热塑性材料的流动燃烧火灾行为[J].燃烧科学与技术,2010(2):187-191. |
| [3] | 程旭东;梅鹏;李立明;王学贵;张和平.热塑性材料与底板间距对其燃烧行为的影响[J].燃烧科学与技术,2011(1):67-71. |
| [4] | Yong Wang;Jun Zhang.Thermal stabilities of drops of burning thermoplastics under the UL 94 vertical test conditions[J].Journal of hazardous materials,2013Feb.15(Feb.15):103-109. |
| [5] | Kandola, B.K.;Price, D.;Milnes, G.J.;Da Silva, A..Development of a novel experimental technique for quantitative study of melt dripping of themoplastic polymers[J].Polymer Degradation and Stability,20131(1):52-63. |
| [6] | Qiyuan Xie;Ran Tu;Nan Wang;Xin Ma;Xi Jiang.Experimental study on flowing burning behaviors of a pool fire with dripping of melted thermoplastics[J].Journal of hazardous materials,2014Feb.28(Feb.28):48-54. |
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