End group cross-linked 2-(dimethylamino) ethylmethacrylate based anion exchange membrane for electrodialysis

被引：25

作者：

Chakrabarty, Tina ^{[1
]}

Prakash, S. ^{[1
]}

Shahi, Vinod K. ^{[1
]}

机构：

[1] CSIR, Electromembrane Proc Div, Cent Salt & Marine Chem Res Inst, Bhavnagar 364002, Gujarat, India

来源：

JOURNAL OF MEMBRANE SCIENCE | 2013年 / 428卷

关键词：

Chlorine tolerant membrane; Cross-linked membranes; Fuel cells; Anion-exchange membrane; Electrodialysis; CONDUCTIVITY; POLYMERIZATION; COPOLYMERS; DIFFUSION; STATE; WATER;

D O I：

10.1016/j.memsci.2012.11.002

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Anion exchange membranes (AEMs) emerged as an important material for alkaline fuel cells, and electrochemical applications. Herein, we are reporting synthesis of poly (vinyltrimethoxysilane-co-2-(dimethylamino) ethylmethacrylate) copolymer (VTMS-co-DMAEMA) by eco-friendly method for the preparation of AEM. Obtained membranes were cross-linked via formal reaction and quaternized by methyl iodide. Developed AEM showed good stabilities (oxidative, chlorine, dimensional, mechanical and thermal) and electrochemical properties. These membranes were designed to possess all the required properties of highly anion conductive membrane such as reasonable water uptake, good ion-exchange capacity (2.92 mequiv g(-1)), high permselectivity (0.90), along with reasonableconductivity (6.45 x 10(-2) S cm(-1)). The excellent electro-transport property of AEM-0.08 for practical anion separation was concluded from i-v studies. Electrodialytic performance of the AEM-0.08 membrane revealed its suitability for applications in electromembrane processes. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：86 / 94

页数：9

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