Separation of organic vapor from air by aromatic polyimide membranes
β Scribed by Xianshe Feng; S. Sourirajan; H. Tezel; T. Matsuura
- Publisher
- John Wiley and Sons
- Year
- 1991
- Tongue
- English
- Weight
- 686 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
Convenient separation of a mixture of neutral and complex lipids was achieved by using an asymmetric polyimide membrane (M.W. cut-off : 35,OOODa) with a high solvent-resistance prepared by a phase inversion process. A one-step ultrafiltration completely separated phospholipids from triacylglycerols
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