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OALib Journal期刊
ISSN: 2333-9721
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蒙脱土对膨胀型防火涂料阻燃性能的影响
Keywords: 蒙脱土,防火涂料,阻燃性能,锥形量热
Abstract:
？采用锥形量热仪（cone）研究蒙脱土（na-mmt）对防火涂料阻燃性能的影响。结果表明，随着na-mmt含量增加，膨胀型防火涂料的质量损失速率峰值（pk-mlr）和总耗氧量（toc）相对于未添加蒙脱土的防火涂料降低，热释放速率峰值明显降低，热氧化降解推迟，热稳定性提高。对cone燃烧过的膨胀型防火涂料进行扫描电镜（sem）分析，添加了na-mmt的体系炭层结构致密均匀，有效地防止了热量的散发。
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