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Solvent-induced morphological change of microporous hollow fiber membranes

โœ Scribed by Jun Kamo; Takayuki Hirai; Kensuke Kamada


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
915 KB
Volume
70
Category
Article
ISSN
0376-7388

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Morphology control of polysulfone hollow
โœ H.A. Tsai; C.Y. Kuo; J.H. Lin; D.M. Wang; A. Deratani; C. Pochat-Bohatier; K.R. ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 891 KB

Polysulfone hollow fiber membranes were fabricated by a dry/wet spinning process, with N-methyl pyrrolidinone (NMP) and water as solvent and coagulant, respectively. The results indicate that air-gap length and ambient humidity have dramatic effect on the membrane morphology. Macrovoids in the membr