Abstract
Linear and branched polylactides were synthesized, and photochromic polymer coatings on their basis were obtained using nitro-substituted indoline spiropyran. Spectral-kinetic experiments showed that these coatings can exhibit both positive and negative photochromism. The character of appearance of photochromism is determined by the content of branched polylactide.
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Funding
This study was supported by the Ministry of Science and Higher Education of the Russian Federation within the framework of RAS Presidium Program no. 14 (in terms of the synthesis of polylactides and preparation and characterization of the samples of photochromic coatings) and of the State Assignment for the Crystallography and Photonics, Federal Research Center, Russian Academy of Sciences (in terms of the study of the photochromic transformations).
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Golubkov, S.S., Baranov, O.V., Istratov, V.V. et al. Spectral Manifestation of Positive and Negative Photochromism in Polylactide Layers. Polym. Sci. Ser. B 64, 326–331 (2022). https://doi.org/10.1134/S1560090422200039
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DOI: https://doi.org/10.1134/S1560090422200039