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

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c) Exposing Solution to Air's subsections
d) Precipitating Polyethersulfone

c) Exposing Solution to Air's products
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