塑料科技2025，Vol.53Issue(1)：41-45,5.DOI:10.15925/j.cnki.issn1005-3360.2025.01.007
P(AN-AA)/P-PVA交联质子交换膜PAA膜的制备与性能研究
Preparation and Performance Study of PAA Membrane of P(AN-AA)/P-PVA Crosslinked Proton Exchange Membranes
摘要
Abstract
The emulsion copolymerization of acrylonitrile(AN)and acrylic acid(AA)was initiated in phosphorylated polyvinyl alcohol(P-PVA)aqueous solution to generate copolymer latex particles of AN and AA.The obtained polymer emulsion is cast into a film,and after heat treatment,a new type of proton exchange membrane is obtained,referred to as the PAA membrane.The performance of the PAA membrane is tested and characterized.Scanning electron microscopy results showed that the PAA membrane had a microstructure of dense accumulation of polymer colloidal particles.The results of infrared spectra indicated that the phosphoric acid molecules had been grafted onto the chain segments of the poly(vinyl alcohol),and a crosslinking reaction occurred between P-PVA and polyacrylic acid after heat treatment.The conductivity measurements showed that as the degree of phosphorylation of poly(vinyl alcohol)increased,the proton conductivity of the membrane also increased,with a maximum of 1.18×10-4 S/cm at 160℃.The study indicated that a proton transport channel was formed in the membrane,which had a microscopic two-phase structure of proton donor and proton acceptor,without relying on liquid water.关键词
质子交换膜/磷酸化/质子电导率/交联/胶体粒子Key words
Proton exchange membrane/Phosphorylation/Proton conductivity/Cross-link/Colloid particle分类
化学引用本文复制引用
马志刚,赵娜,崔文广,胡江浦,吕树芳..P(AN-AA)/P-PVA交联质子交换膜PAA膜的制备与性能研究[J].塑料科技,2025,53(1):41-45,5.基金项目
河北省高等学校科学技术研究项目(QN2022212) （QN2022212）
