期刊
POLYMERS
卷 11, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/polym11060964
关键词
interfacial adhesion; sulfonated poly(aryl ether nitrile)s; proton conductivity; methanol permeability
资金
- National Key R&D Program of China [2018YFC0809500]
- National Natural Science Foundation of China [U1633203, U1733126]
- Sichuan Science and Technology Program [2018GZYZF0069]
In order to investigate the effect of crosslinking degree on the water uptake, swelling ratio, and methanol permeability of sulfonated poly(aryl ether nitrile)s (SPENs), the molar content of sulfonated group in bisphenol monomer is fixed at 60% in this work. The properties of sulfonated poly (aryl ether nitrile) with different crosslinking degrees are studied by changing the content of propenyl group in sulfonated poly (aryl ether nitrile)s. The cross-linking reaction of the propenyl groups in the SPENs is cured at 230 degrees C. All the results show that this method is an effective way to improve the water uptake, swelling ratio, and methanol permeability to meet the application requirements of the SPENs membranes as proton exchange membranes in fuel cells.
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