Supported zeolite membrane by vapor-phase regrowth
โ Scribed by C. S. Tsay; A. S. T. Chiang
- Publisher
- American Institute of Chemical Engineers
- Year
- 2000
- Tongue
- English
- Weight
- 236 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0001-1541
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Phase separation of poly(vinylidene fluoride) dimethylformamide solution was induced by the penetration of water vapor, and the porous membrane was formed. As the humidity in the gas phase increased, membrane morphology changed in the order of dense, porous (cellular), and lacy-like structures. At t
The isothermal phase diagram for poly(vinylidene fluoride)/dimethyl formamide/water system was derived. The binodal and spinodal were calculated based on the Flory-Huggins theory and the calculated binodal was approximately in agreement with the experimental data of the cloud points. The isothermal