Add time:07/22/2019         Source:sciencedirect.com

The study presents investigations on the basic photophysical characteristics of seven polymerizable triazine–stilbene fluorescent brighteners in aqueous and ethanol solutions and their photochemical trans–cis isomerisation. It was established that the type of substituents in triazine ring does not affect significantly the absorption–fluorescence assignments. The concentration of trans- and cis-isomers depends on the nature of the substituents. It was found that the nature of the solvents influences the quantum yield of fluorescence. The absorption and fluorescence properties of the copolymers with styrene in solid film have been discussed.

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