A facile, two-step synthesis afforded styrenic DABCO salt monomers bearing two cyclic quaternary ammonium cations. Free radical polymerization of the DABCO salt monomers yielded homopolymers and copolymers with n-butyl acrylate. DABCO salt-containing ionomers exhibited superior thermomechanical properties with extended plateau regimes compared to ionomers bearing singly-charged pendant groups.
K. Zhang, K. J. Drummey, N. G. Moon, W. D. Chiang and T. E. Long, Polym. Chem., 2016, 7, 3370 DOI: 10.1039/C6PY00426A
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