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TiO 2 –SPPESK–PES nanocomposite membranes were successfully prepared using nano TiO 2 to provide a high specific surface area, sulfonated poly(phthalazinone ether sulfone ketone) (SPPESK) with a 60% degree of sulfonation as a catalyst and polyether sulfone (PES) as a polymer support. The pore structure, morphology, water uptake, hydrophilic nature, degree of geometric swelling, mechanical...
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