| http://www.w3.org/ns/prov#value | - The end-capped polyarylene polyether of claim 1 wherein said --(polyarylene polyether)--structural unit comprises: --E--(OE'--O--E)n-- wherein n is a positive integer, E is the residuum of a dihydric phenol and E' is the residuum of an aromatic compound having two halo substituents. 3.
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