Multiblock sulfonated–fluorinated poly(arylene ether)s for a proton exchange membrane fuel cell
✍ Scribed by Hossein Ghassemi; James E. McGrath; Thomas A. Zawodzinski Jr
- Book ID
- 108249378
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 443 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0032-3861
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## 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
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
## Abstract Random and multiblock copolymers of sulfonated poly(arylene ether sulfone) (SPAES) were synthesized and characterized to compare the differences in the properties of proton‐exchange membranes made with random and multiblock SPAES copolymers. Atomic force microscopy observations and smal
High molecular weight sulfonated poly(arylene thioether phosphine oxide)s (sPATPO) with various sulfonation degrees were prepared directly by aromatic nucleophilic polycondensation of 4,4 -thiobisbenzenethiol with sulfonated bis(4-fluorophenyl) phenyl phosphine oxide and bis(4fluorophenyl) phenyl ph