摘要
用蒸馏水、海水和人工汗液等介质对3种不同的飞机座椅泡沫进行浸泡,采用中国民用航空规章CCAR25中的12 s垂直燃烧试验测试浸泡处理前后泡沫的燃烧性能,同时测量浸泡前后泡沫样品中磷、氯元素含量的变化,研究介质浸泡对飞机座椅泡沫阻燃性能的影响,并对泡沫有效阻燃成分磷、氯元素含量的变化与阻燃性能的关系进行了探讨。结果表明:蒸馏水对3种泡沫材料阻燃性能的影响不明显,海水对部分泡沫材料阻燃性能影响较大,人工汗液对所试的3种泡沫材料阻燃性能的影响均非常显著。座椅泡沫中有效阻燃成分磷、氯元素含量的变化,与样品的阻燃性变化存在明显的对应关系,可作为泡沫阻燃性变化的评价指标。
Three kinds of aircraft seat cushion foams were immersed respectively in distilled water, seawater and simulated sweat. Then the burning performances of those foams were tested using the vertical burning experiment according to chinese civil aviation regulation （CCAR25） in order to investigate the influences on flame retardancy of aircraft seat cushion foam immersed in liquid mediums. The percent contents of P and Cl elements in the foam samples before and after immersed in different liquid mediums were detected,and the correlation between the flame retardancy and the contents of P and Cl elements was researched. The results indicated that the influences of distilled water on flame retardancy for the three kinds of foam materials were little,the influences of seawater for some foam materials were larger,and the flame retardancy of the three types foam materials were all decreased obviously after immersed in synthetic sweat. The flame retardancy of the foams was direct correlation to the contents of P and Cl elements in the foams.
出处
《塑料》
CAS
CSCD
北大核心
2010年第4期47-49,9,共4页
Plastics
基金
国家自然科学基金(60672183)
材料腐蚀与防护四川省高校重点实验室项目(2007CL002)
关键词
飞机
座椅泡沫
阻燃性能
失效
介质浸泡
aircraft
seat cushion foam
flame-retardancy
failure
immersed in liquid mediums
