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A simple approach to obtain a series of polyamines (RPSBs) based on N,N′-bis(4-aminophenyl)-N,N′-bis(α-naphthyl)-bisphenylenediamine via reducing conjugated PolySchiff bases (PSBs) by NaBH 4 is presented in this article. The structures and molecular weights of RPSB were characterized by means of FTIR, 1 H NMR, and GPC which showed an agreement with the proposed ones. The RPSBs exhibited...
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