journal article Jan 23, 2008

Synthesis and characterization of styrene/maleimide copolymer with 4‐[N‐ethyl‐N‐(2‐hydroxyethyl) amino]‐4′‐nitroazobenzene as side chain

Journal of Applied Polymer Science Vol. 108 No. 3 pp. 1378-1384 · Wiley
View at Publisher Save 10.1002/app.27809
Abstract
AbstractRelatively low thermal stability of second‐order nonlinear optical (NLO) coefficient due to the relaxation of dipole orientation is a major problem limiting the practical application of these NLO polymers. NLO polymers with suitable Tg are always important for optical devices. In the present work a synthetic approach to styrene‐(N‐(4‐hydroxyphenyl) maleimide) copolymer (SHMI) with 4‐[N‐ethyl‐N‐(2‐hydroxyethyl) amino]‐4′‐nitroazobenzene (DR1) as side chain and chromophores has made it possible to efficiently prepare a NLO polymer. The copolymer with high Tg of 202°C has low relaxation of dipole orientation. The maximum optical loss at the optical communication wavelength is less than 0.9 dB. NLO coefficient r33 is 8.2 pm/V (1550 nm) and its maximum relaxation at room temperature is 18%. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci 2008
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Published
Jan 23, 2008
Vol/Issue
108(3)
Pages
1378-1384
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Hongting Pu, Lu Liu, WeiChun Jiang, et al. (2008). Synthesis and characterization of styrene/maleimide copolymer with 4‐[N‐ethyl‐N‐(2‐hydroxyethyl) amino]‐4′‐nitroazobenzene as side chain. Journal of Applied Polymer Science, 108(3), 1378-1384. https://doi.org/10.1002/app.27809
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