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(a) Chemical structure of disulfonated poly(arylene ether sulfone) multiblock copolymer. (b) Water flux of membranes at different multiblock copolymer contents using water as feed and NaCl as draw solution. (c) Mechanical properties of substrate with 0 wt %, 12.5 wt %, and 25 wt % multiblock copolymer [120]
