Mechanism of gas transport of NH3-plasma-treated poly(phenylene oxide) membrane
โ Scribed by H. Kumazawa; M. Yoshida
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 174 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0021-8995
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๐ SIMILAR VOLUMES
The effect of ionomer structure on gas transport properties of membranes was investigated. For this purpose physical and transport properties of poly(phenylene oxide) (PPO) and its sulfonated derivative (SPPO) were compared. SPPO has a more rigid structure and a lower free volume, which determines l
The gas permeability of 0, and N, for homogeneous and composite membranes prepared from poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) samples with different molecular weight parameters was investigated. Temperature dependencies of gas permeability coefficients and permselectivity were determined for
Thin film composite membranes of sulfonated poly(phenylene oxide) (SPPOk-polysulfone (PS) (SPPO-PS) were prepared by coating the hydrogen or sodium form of SPPO onto various porous substrates such as polysulfone (PS). The effects of membrane preparation conditions and feed water variables on the sal