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Section:	Main.SEPARATION.Filter. Filtration.Membrane Filtration.Poly(EtherSulfone) Membranes.Patent..Literature..Asymmetric Polymeric Membrane.Having First & Second Porous Faces.Asymmetry Between the Pore Diameter.of 1st & 2nd Faces > 50:1.Produced by Steps:.a) Mixing a Poly(EtherSulfone) &.Solvent (Select: N-Me-Pyrrolidone).to form Polymer Solution..b) Adding Non-Solvent.(Select: 2-MethoxyEthanol Etc.).to produce Dispersion..c) Exposing Solution to Air.d) Precipitating Polyethersulfone.Membrane from Solution by.Quenching said Dispersion with.Non-Solvent Quenching Liquid:.Water..Patent Assignee
Code:	50716
Product:	Australia. M
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