Summary
A new acceptor monomer (methacryloyl β-hydroxyethyl-3,5-dinitrobenzoate), having an increased distance between the acceptor group and the double bond, was copolymerized with N-(2-hydroxyethyl)carbazolyl methacrylate and acrylate, respectively. The copolymers are strong intramolecular charge transfer complexes, even at high temperatures. Because the increased distance between the acceptor group and the main chain permits a favourable steric arrangement of the donor and acceptor groups, the intramolecular complexation is independent on copolymer configuration.
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Simionescu, C.I., Percec, V. & Natansohn, A. Intramolecular charge transfer complexes. Polymer Bulletin 3, 535–542 (1980). https://doi.org/10.1007/BF00256296
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DOI: https://doi.org/10.1007/BF00256296