Nano Composite Membranes of Sulfonated Poly(2,6-Dimethyl-1,4-Phenylene Oxide)/Poly(2,6-Diphenyl-1,4-Phenylene Oxide) Copolymer and SiO2 for Fuel Cell Application
β Scribed by Jeong, Young Gi; Park, Hye Seok; Seo, Dong Wan; Choi, Seung Woo; Kim, Whan Gi
- Book ID
- 120923603
- Publisher
- Trans Tech Publications, Ltd.
- Year
- 2007
- Tongue
- English
- Weight
- 453 KB
- Volume
- 26-28
- Category
- Article
- ISSN
- 1662-8958
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π SIMILAR VOLUMES
Poly(2,6-dimethyl-1,4 -phenylene oxide) (PPO) is a chemically resistant polymer and, therefore, an attractive material for the formation of membranes. However, membranes of unmodified PPO prepared by an immersion precipitation possess very low hydraulic permeabilities at the filtration processes. T
## Abstract **Summary:** Based on FloryβHuggins parameters (__Ο__), the miscibility and the effect of morphological change on proton conductivity and methanol permeability of partially sulfonated polystyrene (SPS) and partially sulfonated poly(2,6βdimethylβ1,4βphenylene oxide) (SPPO), having an ide