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Synthesis and nonlinear optical properties of novel y‐type polyurethanes containing different concentrations of chromophore
Author(s) -
Zhou Tingting,
Deng Guowei,
Liu Jialei,
Bo Shuhui,
Wu Jieyun,
Qiu Ling,
Liu Xinhou,
Zhen Zhen
Publication year - 2012
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.38283
Subject(s) - chromophore , poling , thermal stability , diol , materials science , polymer chemistry , polymer , proton nmr , aniline , fourier transform infrared spectroscopy , azine , chemical engineering , chemistry , organic chemistry , composite material , optoelectronics , dielectric , engineering , ferroelectricity
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 1 H‐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 ( r 33 ) 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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