郑文姬   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

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Paper Publications

Title of Paper:咪唑功能化α-Al2O3纳米颗粒掺杂聚砜阴离子交换膜的制备及性能表征

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Date of Publication:2018-01-01

Journal:高分子材料科学与工程

Included Journals:CSCD

Volume:34

Issue:3

Page Number:157-160,167

ISSN No.:1000-7555

Key Words:聚砜;纳米掺杂;离子传导率;阴离子交换膜;碱稳定性

Abstract:针对碱性阴离子交换膜离子传导率低的问题,采用添加表面富含咪唑的α-l2O3(Al2O3-Im)纳米颗粒来改善咪唑功能化聚砜(PSf-Im)膜内的离子传递,制备了高离子传导性的PSf-Im/Al2O3-Im复合膜.当纳米颗粒掺杂量为12%时,PSf-Im/Al2O3-Im复合膜的氢氧根传导率达到45 mS/cm,比PSf-Im原膜提高了41%,膜的溶胀度与PSf-Im原膜相当,表明添加Al2O3-Im纳米颗粒可以在保持膜的尺寸稳定性不变的情况下获得高的氢氧根传导率.同时复合膜也表现出比PSf-Im原膜更加优良的碱稳定性.

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