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- W2390947504 abstract "Flat-type poly(phthalazinone ether nitrile ketone) (PPENK) ultrafiltration membranes were prepared by phase-inversion technique in water. The effects of the five nonsolvent additives (NSA) of n-butanol (BuOH), ethyl glycol (EgOH), ether, ethylene glycol monomethyl ether (EGME), PEG-400 on the performance of UF membranes were examined in terms of water flux, rejection and porosity et al. The compatibility of the five NSA with PPENK/NMP was investigated in terms of cloud point for the system of PPENK/NMP/NSA. When the NSA were BuOH, EgOH, EGME or PEG-400, with the ratio of near-to-cloud-point, α, it is found that, with the same NSA, the increase of α value could lead to the changing of membrane structure from finger to sponge, an increase of water flux and a decrease of rejection of clayton yellow(CY). The contrary result was obtained when the NSA is ether. It is suggested that the effect of NSA on the membrane performance was related not to the absolute content of NSA, but to the ratio of near-to-cloud-point, α. As a result, PPENK UF membranes with different pore size can be prepared by changing the content and kinds of NSA in the casting solution." @default.
- W2390947504 created "2016-06-24" @default.
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- W2390947504 date "2005-01-01" @default.
- W2390947504 modified "2023-09-25" @default.
- W2390947504 title "Preparation of a Novel Poly(phthalazinone ether nitrile ketone) Ultrafiltration Membrane: Effect of Non-solvent Additives" @default.
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