. "yleneoxide and the like, R??? may be an arylene of, for example, from about 6 to about 36 carbon atoms, such as from about 6 to about 20 carbon atoms or from about 6 to about 15 carbon atoms, such as a benzylene, bisphenylene, bis(alkyloxy) bisphenolene and the like, and the variables p and n may represent the number of randomly repeating segments, such as for example from about 10 to about 100,00" . . .