1. 毕业设计（论文）的内容和要求

作为一种纳米多孔材料，气凝胶具有连续3维纳米多孔网络结构，赋予其低密度、高比表面积、大孔隙率等特性，其独特的网络结构可以有效限制热量传输，是一种理想的高性能隔热保温材料，其室温热导率可低至0.018w/(m#8729;k)以下，大大优于传统隔热材料，可用于蒸汽管道保温、窑炉保温、建筑节能、高速飞行器和特种服装等。

气凝胶种类众多，目前研究最多最成熟的是sio2气凝胶，但传统的sio2气凝胶强度低、脆性大、疏水性能差，极大地限制了其应用。

针对传统气凝胶材料力学性能差的问题，本论文旨在制备出氨基改性柔性氧化硅气凝胶。

2. 参考文献

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3. 毕业设计（论文）进程安排

起讫日期 设计（论文）各阶段工作内容 备 注 2018.12.20~2019.1.12 查阅中外文资料，翻译外文资料 参加讨论 2019.2.26~2019.3.12 撰写开题报告 参加开题答辩 2019.3.13~2019.3.16 制定研究方案，熟悉仪器 参加讨论 2019.3.17~2019.4.28 前期的实验研究，结果分析 参加讨论 2019.4.29~2019.5.5 撰写中期报告 参加中期检查答辩 2019.5.6~2019.5.19 后期的实验研究，结果分析，补充计算 参加讨论 2019.5.20~2019.6.10 整理数据，撰写论文，准备答辩 参加毕业论文答辩