Optical Properties of Some New Azo Photoisomerizable Bismaleimide Derivatives
AbstractNovel polythioetherimides bearing azobenzene moieties were synthesized from azobismaleimides and bis-2-mercaptoethylether. Kinetics of trans-cis photoisomerization and of thermal conversion of cis to trans isomeric forms were investigated in both polymer solution and poly(methyl methacrylate) doped films using electronic absorption spectroscopy. Thermal recovery kinetics is well described by a two-exponential relation both in solution and polymer matrix, while that of low molecular weight azobismaleimide fit a first-order equation. The photoinduced cis-trans isomerization by visible light of azobenzene chromophores was examined in solution and in polymer films. The rate of photoinduced recovery was very high for azobismaleimides. View Full-Text
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Airinei, A.; Fifere, N.; Homocianu, M.; Gaina, C.; Gaina, V.; Simionescu, B.C. Optical Properties of Some New Azo Photoisomerizable Bismaleimide Derivatives. Int. J. Mol. Sci. 2011, 12, 6176-6193.
Airinei A, Fifere N, Homocianu M, Gaina C, Gaina V, Simionescu BC. Optical Properties of Some New Azo Photoisomerizable Bismaleimide Derivatives. International Journal of Molecular Sciences. 2011; 12(9):6176-6193.Chicago/Turabian Style
Airinei, Anton; Fifere, Nicusor; Homocianu, Mihaela; Gaina, Constantin; Gaina, Viorica; Simionescu, Bogdan C. 2011. "Optical Properties of Some New Azo Photoisomerizable Bismaleimide Derivatives." Int. J. Mol. Sci. 12, no. 9: 6176-6193.