Synthesis and nonlinear optical properties of novel y‐type polyurethanes containing different concentrations of chromophore |
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| Authors: | Tingting Zhou Guowei Deng Jialei Liu Shuhui Bo Jieyun Wu Ling Qiu Xinhou Liu Zhen Zhen |
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| Affiliation: | 1. Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China;2. Graduated University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China |
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| Abstract: | A new series of Y‐type polyurethanes containing different concentrations of nonlinear optical (NLO) chromophore with aniline donor and tricyanofurane (TCF) acceptor have been successfully prepared, and characterized by FTIR, UV‐Vis, and 1H‐NMR spectra. New polyurethanes were synthesized with different chromophore contents by introducing diol N, N‐dihydroxyethylaniline or 4‐N, N‐(dihydroxyethyl)amino]benzaldehyde. These NLO polyurethanes exhibit good film forming property and high thermal stability up to 281°C. The highest electro‐optic coefficient (r33) of polymers is up to 39 pm V?1 measured by simple reflection technique at 1310 nm, and the temporal stability of the poling‐induced order at elevated temperature of 80°C was much improved through the introducing of hydrogen bonding interaction in this system. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013 |
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| Keywords: | polyurethanes dyes/pigments thermal properties |
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