Citation:
ZHANG Li, YANG Zheng, JIANG Zhi-Wei, SHI Jun, CAO Shao-Kui. Synthesis of Cyclotriphosphazene-based Molecular Glass Containing Carbazole Chromophores[J]. Chinese Journal of Applied Chemistry,
;2006, 23(3): 238-241.
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Two cyclotriphosphazenes containing carbazole chromophores were prepared via a post-azo-coupling reaction.These two molecules were characterized by using 1H NMR,31P NMR,IR,UV-Vis and DSC.The single resonance in the 31P NMR spectra of compounds 3~5 show that the chloro-groups on the cyclotriphos-phazene was completely substituted by the carbazolyl group.Results of 1H NMR,IR and UV-Vis demonstrate that the azo group was linked to the 3-position of the carbazole ring with different contents.DSC measurement results indicate that these molecules are amorphous in nature and the glass transition temperature increases with increasing the content of chromophores.
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