Dynamic processes of the photoinduced birefringence of two novel azobenzene-functionalized polymers

The growth and decay processes of optically induced birefringence in two novel azobenzene compounds [one was a hyperbranched poly(aryl ether) containing azobenzene groups, and the other was a hydrogen-bonded complex] were studied. The temperature dependence of the birefringence signal was investigat...

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Veröffentlicht in:	Journal of applied polymer science 2010-08, Vol.117 (4), p.2069-2074
Hauptverfasser:	Pei, Songhao, Chen, Xingbo, Jiang, Zhenhua, Peng, Weixian
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences azo polymers Birefringence Construction Decay Dynamics Ethers Exact sciences and technology Fittings hyperbranched orientation Physicochemistry of polymers Polymers Polymers and radiations Properties and characterization Reproduction Temperature dependence
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Zusammenfassung:	The growth and decay processes of optically induced birefringence in two novel azobenzene compounds [one was a hyperbranched poly(aryl ether) containing azobenzene groups, and the other was a hydrogen-bonded complex] were studied. The temperature dependence of the birefringence signal was investigated. The curves for the buildup and decay of birefringence fit well to biexponential functions. The dependence of the fitting parameters on the temperature is also discussed.
ISSN:	0021-8995 1097-4628 1097-4628
DOI:	10.1002/app.32062