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毕业论文网 > 任务书 > 矿业类 > 消防工程 > 正文

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

1.Zugenmaier P (2008) Crystalline Cellulose and Derivatives, Springer Series in Wood Sciences, Springer-Verlag, Berlin. 2. Botany Visual Resources Library (2001) McGraw-Hill, NY and also Uno G, Storey R, Moore R, Principles of Botany, McGraw Hill, NY. 3. Tan C, Fung M, Newman J K, Vu C (2001) Organic aerogels with very high impact strength. Adv Mater 13:644#8211;646. 4. Jin H, Nishiyama, Wada Y M, Kuga S (2004), Nanofibrillar cellulose aerogels. Colloids and Surfaces A:Pysicochem. Eng. Aspects, 240: 63#8211;67. 5. Ishida O, Kim D-Y, Kuga S, NishiyamaY, Malcol Brown R (2004) Microfibrillar carbon from native cellulose.Cellulose 11: 475#8211;480. 6. Innerlohinger J, Weber H K, Kraft G (2006) Aerocellulose: Aerogels and Aerogel-like Materials made from Cellulose. Macromol Symp 244: 126#8211;135. 7. Liebner F, Potthast A, Rosenau T, Haimer E, Wendland M (2007) Ultralight-Weight Cellulose Aerogels from NBnMO-Stabilized Lyocell Dopes. Res Lett Mater Sci Volume 2007, Article ID 73724. 8. Liebner F, Potthast A, Rosenau T, Haimer E, Wendland M (2008) Cellulose aerogels: Highly porous, ultra-lightweight materials. Holzforschung 62: 129#8211;135. 9.Hoepfner S, Ratke L, Milow B (2008) Synthesis and characterization of nanofibrillar cellulose aerogels.Cellulose 15: 121#8211;129. 10. Gavillon R, Budtova T (2008) Aerocellulose: New Highly Porous Cellulose Prepared from Cellulose-NaOHAqeous Solutions. Biomacromolecules 9: 269#8211;277. 11. Cai J, Kimura S, Wada M, Kuga S, Zhang L (2008) Cellulose Aerogels from Aqueous Alkali Hydroxide#8211;Urea Solution, ChemSusChem 1: 149 #8211; 154. 12.Deng M, Zhou Q, Du A, Van Kasteren J, Wang Y (2009) Preparation of nanoporous cellulose foams from cellulose-ionic liquid solutions. Materials Lett 63: 1851#8211;1854. 13.Aaltonen O, Jauhiainen O (2009) The preparation of lignocellulosic aerogels from ionic liquid solutions. Carbohydrate Polymers 75: 125#8211;129.

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

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