1. 毕业设计(论文)的内容和要求
本课题将通过仿生绿色植被,采熔铸法制备出一种PVA绿色胶凝材料。
以PVA为基底,绿色颜料选用Cr2O3,由溶液铸膜法得到绿色PVA薄膜,并且引入甘油(丙三醇),使甘油分子与PVA长链形成很强的氢键。
PVA-甘油凝胶相比普通PVA凝胶,具有更高的模量和可塑性,易断裂的H键可提供有效的耗能机制,增强了PVA薄膜的机械力学性能。
2. 参考文献
根据毕业要求指点10.2,毕设期间要进行研究现状调查与总结,要求在开题报告及毕业设计(论文)中涉及的英文文献不少于20篇,其中近5年不少于8篇,英文文献不少于5篇。
以下是与本课题相关的部分文献列表: [1] Shengjie Shi. Facile preparation of hydrogen-bonded supramolecular polyvinyl alcohol-glycerol gels with excellent thermoplasticity and mechanical properties. Polymer. 2017(111):168-176[2] 李蕾. PVA水凝胶的弹性和溶胀特性研究. 高分子通报. 2013(4):39-43[3] 张毅. 聚乙烯醇水凝胶功能化改性研究进展. 材料导报. 2016(30):151-157[4] Liyuan Deng. Swelling behavior and gas permeation performance ofPVAm/PVA blend FSC membrane. Journal of Membrane Science. 2010(363):295-301[5] Jin Wu. An intrinsically stretchable humidity sensor basedon anti-drying, self-healing and transparentorganohydrogels. Royal society of Chemistry. 2019(6):595-603[6] Hanxue Liang. Thermal Efficiency of Solar Steam Generation Approaching 100% through Capillary Water Transport. Research Articles. 2019(58): 19041 [7] Xinyi Zhou. Hydrogels as an Emerging Material Platform for Solar Water Purification. Accounts of chemical research. 2019(52): 3244-3253[8] Xingyi Zhou. Architecting highly hydratable polymer networks to tune the water state for solar water purification. Applied Science and Engineering. 2019, 5: eaaw5484
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