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Highly Sulfonated Poly(Arylene Biphenylsulfone Ketone) Block Copolymers Prepared via Post-Sulfonation for Proton Conducting Electrolyte Membranes
2013
Bulletin of the Korean Chemical Society (Print)
A series of the block copolymers were successfully synthesized from post-sulfonated hydrophilic and hydrophobic macromers via three-step copolymerization. The degrees of sulfonation (DS) of the copolymers (10%, 30%, or 50%) were controlled by changing the molar ratio of the hydrophilic and hydrophobic parts. The resulting block copolymers were characterized by 1 H NMR and other technologies. The membranes were successfully cast using dimethyl sulfoxide (DMSO) solution at 100 o C. The copolymers
doi:10.5012/bkcs.2013.34.6.1763
fatcat:nylvy6zihjfrroi5asnoxyy3am