## Abstract Novel aromatic sulfonated poly(ether ether sulfone)s (SPEESs) with __tert__‐butyl groups were synthesized by aromatic nucleophilic polycondensation of disodium 3,3′‐disulfonate‐4,4′‐dichlorodiphenylsulfone (SDCDPS), 4,4′‐dichlorodiphenylsulfone (DCDPS), and __tert__‐butylhydroquinone (T
Preparation and characterization of sulfonated amine-poly(ether sulfone)s for proton exchange membrane fuel cell
✍ Scribed by Dong-Wan Seo; Young-Don Lim; Soon-Ho Lee; Young-Gi Jeong; Tae-Whan Hong; Whan-Gi Kim
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 835 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0360-3199
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## Abstract A series of sulfonated poly(ether sulfone ether ketone ketone) (SPESEKK) with different degree of sulfonation (DS) are prepared by the postsulfonation of PESEKK using chlorosulfonic acid as sulfonating agent and concentrated sulfuric acid as solvent. The chemical structures of the polym
## Abstract Novel bisphenol A‐based sulfonated poly(arylene ether sulfone) (bi A‐SPAES) copolymers were successfully synthesized via direct copolymerization of disodium 3,3′‐disulfonate‐4,4′‐dichlorodiphenylsulfone, 4,4′‐dichlorodiphenylsulfone, and bisphenol A. The copolymer structure was confirme