Abstract
The chelation of spirooxazines with Zn (NO3)2 and zinc salt of 2-hydroxybenzoic acid (ZnHB) upon UV irradiation induced considerable retardation of the thermal discoloration rate in the dark. The excellent stability of the spirooxazine compound SPO2 having a carboxylate moiety at 5′ position of the naphthalene ring with ZnHB was found.
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Kim, SH., Wang, S., Ahn, CH. et al. High photostabilization of Zn2+ chelating spironaphthoxazine. Fibers Polym 8, 447–449 (2007). https://doi.org/10.1007/BF02875837
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DOI: https://doi.org/10.1007/BF02875837