自然科学研究

二氧化硅气凝胶的增韧与阻燃改性

秦汉栋 (长春工业大学 化学工程学院), 苏佳杭 (长春工业大学 化学工程学院), 胡爽 (富奥汽车零部件股份有限公司), 李贞玉 (长春工业大学 化学工程学院)

摘要


本论文基于甲基三甲氧基硅烷(MTMS)作为有机硅源,运用溶胶-凝胶法制备柔性硅气凝胶。为研究阻燃剂改性对气凝胶的影响,把不同种类和不同量的阻燃剂添加进体系中,对改性气凝胶的形态、元素组成和晶体结构进行了详细表征。经过改性后气凝胶的导热系数为0.03872W/(m·K),其中添加10wt%磷酸铵的气凝胶材料表现出最佳的阻燃效果。

关键词


SiO2气凝胶;阻燃改性;纤维复合;阻燃

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参考


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DOI: https://doi.org/10.33142/nsr.v1i3.14919

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