Surface carboxyl groups were formed during the 60 Co g-ray irradiation of poly(tetrafluoroethylene) (PTFE) in air. Fourier transform infrared spectroscopy enables the detection of surface carboxyl groups. The contact angles were used to calculate the dispersive and polar components of the surface fr
Surface modification of polyethersulfone hollow-fiber membranes by γ-ray irradiation
✍ Scribed by S. Mok; D. J. Worsfold; A. Fouda; T. Matsuura
- Publisher
- John Wiley and Sons
- Year
- 1994
- Tongue
- English
- Weight
- 587 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0021-8995
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Asymmetric blend polyethersulfone-polyimide (PES-PI) hollow fiber membranes prepared at different air gap and used for gas separation are characterized by atomic force microscopy (inside and out side surfaces) and by measuring the contact angle of out side surface. The outer surface was entirely dif
## Abstract **Summary:** This study reports a simple and effective route for the hydrophilic surface modification of ceramic‐supported polyethersulfone membranes by synthesizing a poly(vinyl alcohol)/polyamide composite thin surface layer with an interfacial polymerization method. The fabricated me