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Title: Preparation of annular hollow fibre membranes
Authors: Wang, D. 
Li, K. 
Teo, W.K. 
Keywords: Annular hollow fibre
Issue Date: 14-Feb-2000
Citation: Wang, D., Li, K., Teo, W.K. (2000-02-14). Preparation of annular hollow fibre membranes. Journal of Membrane Science 166 (1) : 31-39. ScholarBank@NUS Repository.
Abstract: Preparation of an annular hollow fibre membrane using a triple-orifice spinneret was studied. Various annular hollow fibre membranes were prepared from different membrane forming systems. The polymers used in spinning the annular hollow fibres include polysulfone (PSf), polyethersulfone (PESf), polyetherimide (PEI) and cellulose acetate butyrate (CAB). The solvents are N-methyl-2-pyrrolidone (NMP) and dimethylacetamide (DMAC). The additives are water and ethanol. The spinning conditions to form annular hollow fibres were investigated experimentally. Structures of the annular hollow fibres were examined by scanning electron microscopy. Through the proper selection of polymers, solvent and additives, and polymer dope composition, the annular hollow fibres can be formed with controlled width of the hollow fibre annulus. Copyright (C) 2000 Elsevier Science B.V.
Source Title: Journal of Membrane Science
ISSN: 03767388
DOI: 10.1016/S0376-7388(99)00242-2
Appears in Collections:Staff Publications

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