基于不同类型胺位硅氧烷低聚物的质子离子交联聚合物离子液体

IF 0.9 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Theoretical and Experimental Chemistry Pub Date : 2025-05-27 DOI:10.1007/s11237-025-09835-x

V. V. Shevchenko, M. A. Gumenna, O. V. Stryutsky, I. M. Tkachenko, A. M. Pylypenko, L. L. Kovalenko, V. V. Kravchenko

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引用次数: 0

摘要

在含有末端磺酸基的远旋低聚环氧乙烷的有机骨架中，将含有仲脂肪族氨基和咪唑杂环的低聚硅氧烷（OSS）中和，合成了一种质子离子交联聚合物离子液体（PILs）。OSS组件决定了OSS- pil的非晶结构。改变中和度可以调节离子基团的含量和质子运动机制，同时保持玻璃化转变温度（~ -27℃）的接近值，在100℃无水分条件下，单离子质子电导率达到4.3∙10-4 S/cm。OSS-PILs是一种很有前途的电化学器件质子导电介质。

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Protic Ion-Crosslinked Polymeric Ionic Liquids Based on Silsesquioxane Oligomers with Different Types of Amine Sites

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Protic Ion-Crosslinked Polymeric Ionic Liquids Based on Silsesquioxane Oligomers with Different Types of Amine Sites

A method for the synthesis of protic ion-crosslinked polymeric ionic liquids (PILs), which consists in neutralization of oligosilsesquioxanes (OSS) containing secondary aliphatic amino groups and imidazole heterocycles in an organic framework with telechelic oligoethylene oxide containing terminal sulfonic acid groups, has been developed. The OSS component determines the amorphous structure of OSS-PILs. Changing the degree of neutralization allows to regulate the content of ionic groups and the mechanism of proton movement while maintaining close values of glass transition temperature (~ –27°C) with the reaching of a single-ion proton conductivity of 4.3∙10^–4 S/cm at 100°C in the absence of moisture. The OSS-PILs are promising proton-conducting media for electrochemical devices.

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来源期刊

Theoretical and Experimental Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

1.60

自引率

10.00%

发文量

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.