Protic Oligosilsesquioxane Dicationic Ionic Liquids with Two Types of Ionic Sites in Organic Frame

IF 0.7 4区 化学 Q4 CHEMISTRY, MULTIDISCIPLINARY Theoretical and Experimental Chemistry Pub Date : 2022-08-25 DOI:10.1007/s11237-022-09732-7
V. V. Shevchenko, M. A. Gumenna, N. S. Klimenko, O. V. Stryutsky, V. V. Trachevsky, L. L. Kovalenko, V. V. Kravchenko
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引用次数: 1

Abstract

A method of synthesis of oligomeric siloxane protic ionic liquids capable of condensation reactions has been developed as starting compounds in the obtaining proton exchange membranes for fuel cells. Their organic frame is characterized by a combination of amine centers of different basicity (aliphatic and imidazole types) neutralized with ethanesulfonic acid and secondary hydroxyl groups. A change in the degree of neutralization of the amine centers significantly affects the structure of the compounds and the mechanism of proton migration. The conductivity of the obtained compounds reaches 9.8·10–4 S/cm at 100°C in the absence of moisture.

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有机骨架中两类离子位的质子低聚硅氧烷定向离子液体
提出了一种能进行缩合反应的低聚硅氧烷质子离子液体的合成方法,作为燃料电池质子交换膜制备的起始化合物。它们的有机结构的特点是不同碱度的胺中心(脂肪族和咪唑类)与乙磺酸和仲羟基中和的组合。胺中心中和度的变化显著影响化合物的结构和质子迁移机制。在100℃无水分条件下,所得化合物的电导率达到9.8·10-4 S/cm。
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来源期刊
Theoretical and Experimental Chemistry
Theoretical and Experimental Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
1.60
自引率
10.00%
发文量
30
审稿时长
6-12 weeks
期刊介绍: Theoretical and Experimental Chemistry is a journal for the rapid publication of research communications and reviews on modern problems of physical chemistry such as: a) physicochemical bases, principles, and methods for creation of novel processes, compounds, and materials; b) physicochemical principles of chemical process control, influence of external physical forces on chemical reactions; c) physical nanochemistry, nanostructures and nanomaterials, functional nanomaterials, size-dependent properties of materials.
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