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首页> 外文期刊>International Journal of Electrochemical Science >Electrochemical Properties of SPEEK/Epoxy Semi-interpenetrating Network Composites as Proton Exchange Membrane
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Electrochemical Properties of SPEEK/Epoxy Semi-interpenetrating Network Composites as Proton Exchange Membrane

机译：SPEEK /环氧树脂半互穿网络复合材料质子交换膜的电化学性能

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摘要

The DS 68% SPEEK composite membranes with were prepared by post-sulfonation. Using diethylenetriamine as the epoxy cross-linking agent, which is uniformly distributed in SPEEK, to form SPEEK/epoxy semi-interpenetrating network structure and explore the impact of semi-interpenetrating network on the performances as proton exchange membrane. The contents of epoxy resin are 10 wt.%, 15 wt.% and 20 wt.%, respectively. The thermal properties of the proton exchange membranes are increases with the increase of crosslinking structure of epoxy resin. But the conductivity proton performances are slightly declined with the increase of semi-interpenetrating network. Crosslinking increased the density of proton exchange membrane, improved the anti-water swelling property and avoided the proton conductivity rising slowly at high temperature. With the increases of epoxy resin, the methanol permeability coefficient decreases.
机译：通过后磺化制备DS 68％SPEEK复合膜。以二亚乙基三胺为环氧交联剂，在SPEEK中均匀分布，形成SPEEK /环氧半互穿网络结构，探讨半互穿网络对质子交换膜性能的影响。环氧树脂的含量分别为10重量％，15重量％和20重量％。质子交换膜的热性质随着环氧树脂的交联结构的增加而增加。但是随着半互穿网络的增加，电导质子的性能略有下降。交联增加了质子交换膜的密度，提高了抗水溶胀性能，避免了质子电导率在高温下缓慢上升。随着环氧树脂的增加，甲醇的渗透系数降低。

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