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The branched sulfonated poly(ether ether ketone)s, derived from bisphenol fluorene, 1,1,1-tris(4-hydroxyphenyl)ethane, sulfonated difluorobenzophenone and 4,4′-difluorobenzophenone, were synthesized by potassium carbonate mediated nucleophilic polycondensation reaction. The highly branched sulfonated polymer/antioxidant composites were prepared using antioxidant 1010 as a functional additive in order...
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