Novel multiblock poly(arylene ether sulfone)s were prepared by a two-pot method from a phenoxide-end-capped fully disulfonated poly(arylene ether sulfone) oligomer and a fluoride-end-capped nonsulfonated poly(arylene ether sulfone) oligomer with block length of 10 as the hydrophilic and hydrophobic
Crosslinked sulfonated poly(arylene ether ketone) membranes bearing quinoxaline and acid–base complex cross-linkages for fuel cell applications
✍ Scribed by Xinbing Chen; Pei Chen; Zhongwei An; Kangcheng Chen; Kenichi Okamoto
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 708 KB
- Volume
- 196
- Category
- Article
- ISSN
- 0378-7753
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In this study, a new type of cross-linked composite membrane is prepared and considered for its potential applications in direct methanol fuel cell. Nafion and sulfonated poly(arylene ether ketone) bearing carboxylic acid groups (SPAEK-C) are blended and subsequently cross-linked by a Friedel-Craft
A series of cross-linkable sulfonated poly(arylene ether ketone)s bearing carboxylic acid groups (C-SPAEKs) have been prepared for direct methanol fuel cells (DMFCs). The chemical structure of the cross-linkable copolymers was analyzed by 1 H NMR and 13 C NMR spectra. Cross-linked membranes were obt
## Abstract Polymer nanocomposite membranes based on sulfonated poly(ether ether ketone) (SPEEK) (degree of sulfonation 60%) containing varying amounts of open cage trisilanol phenyl polyhedral oligomeric silsesquioxane (POSS) ranging from 0.5 to 5 phr (parts per hundred parts of the polymer resin)