Synthesis and nonlinear optical properties of novel y-type polyurethanes containing different concentrations of chromophore
作者： Tingting Zhou , Guowei Deng , Jialei Liu , Shuhui Bo , Jieyun Wu
DOI: 10.1002/APP.38283
关键词:
摘要: A new series of Y-type polyurethanes containing different concentrations nonlinear optical (NLO) chromophore with aniline donor and tricyanofurane (TCF) acceptor have been successfully prepared, characterized by FTIR, UV-Vis, 1H-NMR spectra. New were synthesized contents introducing diol N, N-dihydroxyethylaniline or 4-[N, N-(dihydroxyethyl)amino]benzaldehyde. These NLO exhibit good film forming property high thermal stability up to 281°C. The highest electro-optic coefficient (r33) polymers is 39 pm V−1 measured simple reflection technique at 1310 nm, the temporal poling-induced order elevated temperature 80°C was much improved through hydrogen bonding interaction in this system. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
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