纳米纤维素气凝胶的燃烧特性及其阻燃设计任务书
2020-06-29 20:30:16
1. 毕业设计(论文)的内容和要求
(1)纳米纤维素气凝胶的热稳定性以及其燃烧特性测定和研究,包括纳米纤维素气凝胶样品的制备; (2)通过DSC、TGA等手段对样品热稳定性测定结果; (3)通过氧指数测定、垂直燃烧测定、烟密度等对样品燃烧特性的测定结果,作为阻燃设计的对照; (4)以硼酸为阻燃添加剂,研究硼酸对纳米纤维素气凝胶的热稳定性和燃烧特性的影响,包括在溶解剂中添加硼酸制备改性纳米纤维素气凝胶样品; (5)探究不同浓度的硼酸添加剂对样品热稳定性和燃烧特性的影响; (6)进行阻燃机理的分析,比较硼酸添加剂与其他阻燃添加剂的阻燃性能。
2. 参考文献
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3. 毕业设计(论文)进程安排
2017.12.30~2018.1.12 查阅与论文有关的中英文资料,全面了解课题;整理筛选资料,完成开题报告 2018.2.23~2018.3.12 构思论文的框架结构;进行实验的相关准备 2018.3.13~2018.4.6 完善开题报告初稿的基础上,深入细致的研究资料;完成对照组部分试样制备 2018.4.7~2018.4.19 进一步收集、阅读相关资料和文献,完成论文概述部分;完成阻燃改性试样制备 2018.4.20~2018.5.31 完成论文的主体部分;得到试样的热稳定性以及燃烧特性结果,并比较结果、进行机理的分析; 2018.6.1~2018.6.7 完成论文,提出未来有可能的阻燃设计思路