Abstract
AbstractAromatic poly(ether ketone)s with ferrocene units in the main chain were prepared by direct polycondensation of 1,1′‐ferrocenedicarboxylic acid with diphenyl ether or 1,4‐diphenoxybenzene using various catalysts such as trifluoromethanesulfonic acid (triflic acid), a combination of methanesulfonic acid/P2O5 (Eaton's reagent) or a combination of triflic acid/P2O5. Polycondensations at room temperature for 24 h gave poly(arylene ether ketone)s with inherent viscosities up to 40 mL g−1. Monoacylation of diphenyl ether with ferrocenecarboxylic acid was studied in detail in order to show the efficiency of polymer formation employing Eaton's reagent as catalyst and solvent.
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