中国化学会第32届学术年会
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聚三氮唑高分子功能材料
张卫懿*

分会

第三十五分会:胶体与界面化学

摘要

聚三氮唑高分子功能材料 张卫懿 1,* 1东华大学,上海市松江区人民北路2999号,201620 *Email: wyzhang@dhu.edu.cn 聚离子液体(PILs)高分子是一种以离子液体为前体的新型聚电解质材料,最初在20世纪90年代开始被开发出来并开始研究。与传统的聚电解质材料相比,聚离子液体具有玻璃化转变温度低,在有机溶剂中溶解性好,导电性提高的特点。近年来,随着各个领域对高端材料的要求日益提高,合成功能性高分子成为了提升相关材料性能的有力途径,其中就包括功能性聚离子液体。因此,我们开发出了一种新型的三氮唑类聚离子液体高分子材料。此类材料表现出了非常独特的化学性质和胶体特性,特别是在之后的研究中发现三氮唑类聚离子液体在弱碱条件下会生成聚卡宾结构,能被用于稳定金属簇,和制作梯度卡宾-膜驱动材料。另外,离子液体被作为储能器件的电解质部分研究已久,由于其异常宽的电化学窗口,能带来很高的储能密度,同时由于其较低的凝固点(某些离子液体凝固点低于零下50度),能被用于低温储能。聚离子液体在继承离子液体大部分性质的同时还有高分子的优点(柔性,易塑型等),因而可用作储能器件的固态电解质。回国之后也开展了一些新结构的离子液体/聚离子液体的设计合成,尝试打通结构-设计-性质-性能的一条链。 Fig. 1 Synthesis of Poly(1,2,4-triazolium)s and its behavior in metal ion loading 关键词:聚离子液体;聚电解质;三氮唑;聚卡宾 参考文献 [1] Zhang, W.; Yuan J.*, et al., ACS Nano, 2016, 10, 7731. [2] Sun, J.-K.#; Zhang, W.#; Yuan, J.*, et al. Nat. Commun., 2018, 9, 1717. [3] Zhang, W.; Yuan, J.*, et al., Polymer, 2016, 107, 509. [4] Zhang, W.; Zhao, Q.*, et al. ACS Nano, 2019, 13, 10261. Functional Poly(1,2,4-triazolium) Materials Weiyi Zhang1,* 1College of Materials Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai, 201620 *Email: wyzhang@dhu.edu.cn Abstract text in English, Times New Roman, 300 words maximum Poly(ionic liquid)s (PILs) are one new type of polyelectrolyte materials that acquired from ionic liquids as polymerization precursors. They were first developed and studied in the 1990s. Compared with traditional polyelectrolyte materials, poly(ionic liquid)s have the unique characteristics of low glass transition temperature, good solubility in organic solvents, and improved conductivity. In recent years, with the increasing requirements for high-end materials in various fields, synthetic functional polymers have become a powerful toolbox to improve the performance of related materials, including functional poly(ionic liquid)s. Therefore, we have developed a new type of 1,2,4-triazolium-based poly(ionic liquid) polymer material. Such materials exhibit very unique chemical properties and colloidal properties. In particular, it was found in subsequent studies that triazole-based poly(ionic liquid)s can generate polycarbene structures under weak alkaline conditions, which can be used to stabilize metal clusters, and be made into gradient carbene-membrane actuators. In addition, ionic liquids have been studied for a long time as the electrolyte part of energy storage devices. Due to their unusually wide electrochemical window, they can bring high energy storage density. At the same time, due to their low freezing point (some ionic liquids have a freezing point lower than Minus 50 degrees), can be used for low temperature energy storage. While inheriting most of the properties from ionic liquids, poly(ionic liquid)s also benefit from the advantages of polymers (flexibility, easy plasticity, etc.), so they can be used as solid electrolytes for energy storage devices. After back to Donghua University as a Principal Investigator, I am trying to design and synthesize ionic liquids/poly(ionic liquid)s with new structures, and aiming for the study of structure-design-property-performance relations.

关键词

聚离子液体;聚电解质;三氮唑

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