Composite membranes formed by sulfonated poly-ether-ether-ketone (SPEEK) and sulfonated and/or silylated poly-phenyl-sulfone ((Si,S)PPSU) were prepared. (Si,S)PPSU was used as anchor phase to reinforce membranes based on SPEEK with high degree of sulfonation, which is proton conducting but morpholog
Hybrid membranes for fuel cells based on nanometer YSZ and polyacrylonitrile matrix
β Scribed by Ioan Stamatin; Adina Morozan; Keith Scott; Anca Dumitru; S. Vulpe; F. Nastase
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 480 KB
- Volume
- 277
- Category
- Article
- ISSN
- 0376-7388
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## Abstract Composite membranes madeβup of sulphonated polyetheretherketone (SPEEK, DSβ=β0.5) and of a sulphonated and silylated hybrid organicβinorganic derivative of polyphenylsulphone (SiSPPSU, DSβ=β2) were prepared and characterised. The water and methanol uptake, as well as thermal properties,
## Benzimidazole groups Composite membranes a b s t r a c t Poly(ether ether ketone) (PEEK) and sulfonated poly(ether ether ketone) (SPEEK, IEC ΒΌ 2.07 mequiv.g Γ1 ) have been synthesized via nucleophilic aromatic substitution reaction. Bromomethylated poly(ether ether ketone) (PEEK-Br) is then pr