以液体为基底制备高性能两亲嵌段共聚物多孔薄膜任务书
2020-05-20 21:10:24
1. 毕业设计(论文)的内容和要求
以液态水为基底、嵌段共聚物为材料通过退火的方法制备具有规整结构的聚合物复合膜。
通过与水不互溶的油性溶剂为载体,在水相基底上制备嵌段共聚物薄膜,同时进行溶剂退火以得到规整结构的聚合物薄膜,之后用pvdf基膜捞起薄膜得到具有复合膜。
最后通过选择性溶剂溶胀的方法将规整的分相转化为孔道,获得均孔膜。
2. 参考文献
[1] Qifang Li, Jianli Sun, Jing Wang, Guang-Xin Chen, Fang Li, and Yajun Zhang. Preparation of diblock copolymer films for the localization of C-60 and multiwalled carbon nanotubes on aqueous substrate [J]. RSC Advances, 2012, (2): 6637-6644. [2] Jing Wang, Fang Li, Qifang Li, Jianli Sun, and Guang-Xin Chen. Polystyrene-b-poly(ethylene oxide) block copolymer thin films as templates for carbon nanotube dispersion [J]. Thin Solid Films, 2013, (536): 191-195. [3] Peinemann K-V, Abetz V, Simon P F W. Asymmetric superstructure formed in a block copolymer via phase separation [J]. Nature materials, 2007, (6): 992-996. [4] Abetz V. Isoporous Block Copolymer Membranes [J]. Macromolecular Rapid Communications, 2015, (36): 10-22. [5] Yong Wang, and Fengbin, Li. An Emerging Pore-Making Strategy: Confined Swelling-Induced Pore Generation in Block Copolymer Materials [J]. Advanced Materials, 2011, (19): 2134-2148 [6] Zhaogen Wang, Xueping Yao, and Yong Wang. Swelling-Induced Mesoporous Block Copolymer Membranes with Intrinsically Active Surfaces for Size-Selective Separation [J]. Journal of Materials Chemistry, 2012, (38): 20542-20548 [7] Leiming Guo, and Yong Wang. Nanoslitting of phase-separated block copolymers by solvent swelling for membranes with ultrahigh flux and sharp selectivity [J]. Chemical Communications, 2014, (81): 12022-12025 [8] Wei Sun, Zhaogen Wang, Xueping Yao, Leiming Guo, Xiaoqiang Chen, and Yong Wang. Surface-Active Isoporous Membranes Nondestructively Derived from Perpendicularly Aligned Block Copolymers for Size-Selective Separation [J]. Journal of Membrane Science, 2014, (466): 229-237 [9] Jun Yin, Xueping Yao, Jiun-You Liou, Wei Sun, Ya-Sen Sun and Yong Wang. Membranes with Highly Ordered Straight Nanopores by Selective Swelling of Fast Perpendicularly Aligned Block Copolymers [J]. ACS Nano, 2013, (11): 9961-9974. [10] Elizabeth A Jackson, and Marc A Hillmyer. Nanoporous Membranes Derived from Block Copolymers: From Drug Delivery to Water Filtration [J]. ACS Nano, 2010, (7): 3548-3553. [11] Jae Won Jeong, Woon Ik Park, Mi-Jeong Kim, C A Ross, and Yeon Sik Jung. Highly Tunable Self-Assembled Nanostructures from a Poly(2-vinylpyridine-b-dimethylsiloxane) Block Copolymer [J]. Nano letters, 2011, (10): 4095-4101.
3. 毕业设计(论文)进程安排
2015.2 查阅相关文献,了解课题背景 2015.3.1 完成英文翻译和开题报告 2015.3.10 了解制膜工艺,掌握bcp液相制膜的整个过程。
2015.3.20 利用溶剂蒸汽退火膜结构,观察膜形貌,制备规整结构。
2015.4.20利用椭偏仪研究薄膜开孔前后厚度的改变及开孔情况 2015.5.10 测定薄膜溶胀后的通量和截留性能 2015.5.30 完成毕业论文初稿