Poly(tetrafluorostyrenephosphonic acid) - polysulfone block copolymers and membranes
作者： Zhecheng Shao , Arindam Sannigrahi , Patric Jannasch
DOI: 10.1002/POLA.26887
关键词:
摘要: ABSTRACT A series of ionic ABA triblock copolymers having a central polysulfone (PSU) block and poly (2, 3, 5, 6,‐tetrafluorostyrene‐4‐phosphonic acid)(PTFSPA) outer blocks with different lengths were prepared and studied as electrolyte membranes. PSU with terminal benzyl bromide was used as a bifunctional macroinitiator for the formation of poly (2, 3, 4, 5, 6‐pentafluorostyrene)(PPFS) blocks by atom transfer radical polymerization. Selective and complete phosphonation of the PPFS blocks was achieved via a Michaelis− Arbuzov …
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