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
Preparation and characterization of nanocomposite membranes made of poly(2,6-dimethyl-1,4-phenylene oxide) and montmorillonite for direct methanol fuel cells
β Scribed by Mohammad Mahdi Hasani-Sadrabadi; Shahriar Hojjati Emami; Homayoun Moaddel
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 643 KB
- Volume
- 183
- Category
- Article
- ISSN
- 0378-7753
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## 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
In this article, the chemical modification of poly(2,6-dimethyl-l,4-phenylene oxide) (PPO) was carried out by incorporating a n amine group into the PPO backbone. A maximum monosubstitution degree of 65 mol % was reached. The effects of reaction conditions on the functional group content in PPO is d